Boulder colorado population The number of students has increased by 8,376 over the past decade. It was 76. Bureau of Labor Statistics Note: More data series, including additional geographic areas, are available through the "Databases & Tables" tab at the top of this page. You can get the most current Census population data for all 471 Colorado cities, sorted from the most populous cities in Colorado to the least, according to the 2024 Population Estimates Program and 2023 American Community Survey Boulder, Colorado had a population of 108,250 in 2020. The median age in Erie is 37. Nov 18, 2025 · Colorado's population growth has slowed sharply this decade compared to last, and would have fallen even more except for a strong surge in international migration following the pandemic. Between 2022 and 2023 the population of Boulder County, CO declined from 328,658 to 328,317, a −0. Boulder got to be this size, rather than bigger, because of a decades-long effort to limit its size and to maintain its small town feel. Census Bureau: State and County QuickFacts. Apr 1, 1990 · Boulder in Boulder (Colorado) City The population development of Boulder as well as related information and services (weather, Wikipedia, Google, images). Student Diversity CU Diversity Report is published annually and includes student population diversity by race/ethnicity, sex, socio-economic attributes (first generation, Federal Pell recipients), disability status, and veteran status. census. Please check back later. You can access data visualizations, data spreadsheets, data lookup applications, data spreadsheets, data Colorado core-based statistical areas The following table provides the in-state population rank of each of the 17 Colorado core-based statistical areas with their population histories. The population in 2025 is expected to grow 51,000, following an increase of 43,000 in 2024. 86% since the most recent census, which recorded a population of 108,418 in 2020. University of Colorado Boulder has a total enrollment of 41,432 including 32,105 undergraduate students and 9,327 graduate students. According to our research of Colorado and other state lists, there were 125 registered sex offenders living in Boulder, Colorado as of September 29, 2025. Data derived from Population Estimates, 2000 Census of Population and Housing, 1990 Census of Population and Housing, Small Area Income and Poverty Estimates, County Business Patterns, 1997 Economic Census, Minority- and Women-Owned Business, Building Permits, Consolidated Federal Funds Report, Census of Governments Last Revised: Friday Boulder is Colorado’s eleventh-most populous city, twenty-five miles northwest of Denver, nestled against the foothills of the Front Range. 6 years: 37. The percentage of undergraduate students at CU Boulder is 77. [11] University of Colorado College of Commerce established. Boulder Population & Age Distribution Age is classified into groups; each percentage listed is that group’s percentage of the total population. This section compares the 50 most populous of those to each other. Boulder’s Black population reached a high of 166 residents in 1910 and declined for many decades afterward. By the mid-1920s, the Ku Klux Klan controlled the state legislature and had significant influence in Boulder. You can access data visualizations, data spreadsheets, data lookup applications, data spreadsheets, data QuickFacts is currently undergoing a maintenance cycle. Find latest trends in Boulder's population. 41%). This ranking is based on the Census Mar 14, 2025 · Graph and download economic data for Resident Population in Boulder, CO (MSA) (BOLPOP) from 2000 to 2024 about Boulder, CO, residents, population, and USA. data@census. [7] It is the principal city of the Boulder metropolitan statistical area, which had 330,758 residents in 2020 and is part of the Front Range Urban Corridor Find demographic, economic, and housing data for Boulder, CO, a city in Colorado with 105,893 people and 26. 51 p/mi². Hotel Boulderado opens. 1902 Boulder Oil Field well begins operation. Any inquiries submitted will not be answered until appropriations are enacted. . Area of Boulder city is 25. Boulder County's estimated 2025 population is 332,105 with a growth rate of 0. Boulder is a city in Colorado with a population of 106,274. Boulder has a 2025 population of 106,399. 38% annually and its population has decreased by -1. Home of the University of Colorado (CU), the city has a population of 97,385 and is the seat of Boulder County. The ratio of registered sex offenders to all residents in this city is lower than the state average. Sep 5, 2024 · About 20% of Boulder County’s homeless population are children, according to the Metro Denver Homeless Initiative. 5 years for Population by Place in the Boulder Area There are 34 places that are fully or partially contained within the Boulder Area (30 fully and 4 partially). The city is located along Boulder Creek at the base of the foothills of the Rocky State Demography Office The primary source for Colorado population and demographic information The State Demography Office provides population estimates and forecasts for Colorado’s regions, counties, and municipalities developed by the State Demography Office and the U. The student population comes from every state in the nation and almost 100 foreign countries. [2] Boulder County comprises the Boulder, Colorado Metropolitan Statistical Area, which is included in the Denver – Aurora, Colorado Combined Statistical Area. Feb 14, 2025 · Boulder’s Red Fox Population: A Closer Look at These Urban Survivors As the city of Boulder, Colorado continues to expand, the coexistence of humans and wildlife has become a topic of increasing importance. [10 QuickFacts is currently undergoing a maintenance cycle. A snapshot of Boulder demographic & economic data on labor and employment, consumer activity, and commercial and residential real estate. The county seat is the City of Boulder, the largest municipality in Boulder County. Approximately 21% are Black, a disproportionately high percentage given that about 1% of the county’s population is Black. 2% from 2010–2020. QuickFacts is currently undergoing a maintenance cycle. This was 0. Apr 1, 2000 · Source U. 4% Asian, 10. 304% decrease and its median household income grew from $80,243 to $85,364, a 6. Services are organized to support people in exiting homelessness through housing and maintaining stability once housed. 93% of total Colorado state population. Due to the lapse of federal funding, portions of this website will not be updated. Aug 1, 2024 · Insights US Colorado Boulder Boulder Population Boulder, CO Population by Year Boulder, CO Population by Year In 2023, the population of Boulder was 105,898, a 0. Compare Boulder with similarly sized cities in Colorado and the US. Jun 23, 2023 · Explore Boulder, CO population by race, ethnicity, age, gender and timeline. Boulder County is the 9th largest county in Colorado. 32 percent per year, but it has grown by 7. Many different ethnic, religious, academic and social backgrounds are represented, fostering the development of a multicultural academic community that enriches each student's Table Data - Resident Population in Boulder County, CO | FRED | St. Of the 482 places in Colorado, Boulder is the 12th most populous. Census data for Boulder, CO Urban Area (pop. Economic Census data Value Flags D Suppressed to avoid disclosure of confidential information F Fewer than 25 firms FN Footnote Boulder, CO Data extracted on: November 25, 2025 Source: U. This map presents the population of Boulder, with one dot drawn for each person counted in the 2020 Census, color-coded by race. 4% Multiracial. Dec 9, 2024 · Colorado’s population Following rapid expansion during the 2010s, Colorado’s population growth, especially from net migration, is slowing. According to our research of Colorado and other state lists, there were 121 registered sex offenders living in Boulder, Colorado as of November 10, 2025. 0% Native American/Other, and 4. 1% White, 1. Sep 19, 2024 · Enrollment at the University of Colorado Boulder increased by 3. Between 2022 and 2023 the population of Boulder, CO declined from 106,598 to 106,274, a −0. 2% Black, 6. Apr 1, 1990 · Boulder County in Colorado (USA) Population The population development of Boulder as well as related information and services (Wikipedia, Google, images). Find latest trends from Boulder's population pyramid & average age of Boulder, CO residents. Between 2022 and 2023 the population of Boulder, CO declined from 328,658 to 328,317, a −0. Its daytime population swells by 60,000 more people who are commuting into Boulder for their jobs bringing the daytime population to about 167,000. Jan 2, 2025 · Find out the current and historical population of Boulder, Colorado, as well as its rank, growth rate, density, and demographics. Apr 1, 1990 · Boulder (Metropolitan Statistical Area, Metropolitan Areas, USA) with population statistics, charts, map and location. 48 percent since the 2010 census, which recorded a population of 97,385 people. In Boulder there are a lot of restaurants, coffee shops, and parks. gov or to provide feedback, please contact census. Boulder is a city located in Boulder County, Colorado. Demographics Population and Growth In 2023, the city’s total population topped 102,000, including students at the University of Colorado Boulder. Boulder County, Colorado has 726. [1] With a population of 108,250 at the 2020 census, it is the most populous city in the county and the 12th-most populous city in Colorado. 3% in the 1990s, followed by 0. 033% of total US population and 1. Find latest trends in Boulder's gender demographics, ratio of male to female residents spread across various age groups. The average household income in Erie is $179,736 with a poverty rate of 3. 9% Asian, 14. Feb 6, 2025 · Student enrollment counts (spring semester), cohort demographics, campus totals Each student is counted only once, regardless of multiple majors or enrollment in multiple career programs, based on their primary career for the term. Mar 14, 2025 · Graph and download economic data for Resident Population in Boulder County, CO (COBOUL3POP) from 1970 to 2024 about Boulder County, CO; Boulder; CO; residents; population; and USA. 62% since the most recent census, which recorded a population of 30,413 in 2020. The ages, races, and population density of Boulder County, Colorado tell a story. In the year of 2023, Boulder County, CO had a population of 328k people with a median age of 37. Louis FedTable Data - Resident Population in Boulder County, CO Boulder County, Colorado had a population of 330,758 in 2020. gov. Also for cities and towns with a population of 5,000 or more. 5 and a median household income of $102,772. Erie is currently growing at a rate of 5. Explore Boulder, CO population by age group. Compare Boulder's population with the Boulder, CO Metro Area and Colorado. For more information about the business community and landscape of Boulder, visit the city's Community Profile webpage. Sourced from the U. 1910 - Population: 9,539. Erie has a 2025 population of 40,639 . [3] May 7, 2022 · Boulder’s population is now falling at a pace of -0. In 2014, Boulder’s resident population is about 107,000 people. Oct 1, 2025 · The 10 Colorado Cities With The Largest Black Population For 2025 The most African American cities in Colorado are Aurora and Fountain for 2025 based on Saturday Night Science. The least populous of the compared neighborhoods has a population of 208. Dec 5, 2019 · Previous metro Denver/Boulder Jewish Community Studies were conducted in 2007 and 1997. Here's how many people live in Boulder, CO today — 106,274 inhabitants, with a median age of 28. State Demography Office The primary source for Colorado population and demographic information The State Demography Office provides population estimates and forecasts for Colorado’s regions, counties, and municipalities developed by the State Demography Office and the U. Understand the shifts in demographic trends with these charts visualizing decades of population data. It is also the home training base for hundreds of world-class athletes. 0% Black, 4. The female to Feb 26, 2025 · Standardized key information about CU Boulder used for university comparisons The Common Data Set (CDS) is a collaborative effort among higher education institutions and organizations aimed at improving the quality and consistency of data reported about colleges and universities QuickFacts is currently undergoing a maintenance cycle. The point-in-time count does Erie is a town located in Boulder County, Colorado. 1906 Curran Opera House opens. Across the broader Denver metro area, homelessness continues to rise, with 9,977 counted in January, up from 9,065 in 2023. The City of Boulder is home to the University of Colorado, the National Institute of Standards and Technology (NIST), the National Oceanic and Atmospheric Administration (NOAA), as well as many other science and technology-based companies. Feb 24, 2025 · Explore Boulder, CO population by gender. The largest ethnic groups were White (Non-Hispanic) (77. state of Colorado. In the year of 2023, Boulder, CO had a population of 328k people with a median age of 37. [4] 1907 Boulder adopts an anti- saloon ordinance. In the year of 2023, Boulder, CO had a population of 106k people with a median age of 28. Sure, you Aug 7, 2025 · The most populous cities in Colorado are Denver with 729,019, Colorado Springs at 493,554, Aurora with 403,130, Fort Collins at 170,924, and Lakewood with 156,868. [9] The Boulder Metropolitan Statistical Area has 330,758 people living in it. Boulder is in Boulder County, located at the base of the foothills of the Rocky Mountains, and 25 miles northwest of the Colorado Census data for Boulder County, CO (pop. Limited categories shown below. Questions on how to use data. Population of Boulder, CO Last official estimated population of Boulder city (Boulder County **, Colorado state) was 105,112 (year 2014) [1]. It was 74. 39 percent and an average household income of Boulder aligns its responses to homelessness through a housing and support centered strategy. In the 1980s, population grew at a compound annual growth rate of 0. Data governance is the framework of principles, policies, procedures, and standards that ensures the effective management, integrity, and security of CU Boulder's data assets. With an enrollment of more than 38,000 students, CU Boulder is the largest of the four-campus University of Colorado system. It is the county seat [8] of Boulder County. 4 square miles of land area and is the 52nd largest county in Colorado by total area. COLORADO REPORT An Analysis of the Jewish Electorate for the Jewish Electorate Institute by the American Jewish Population Project QuickFacts is currently undergoing a maintenance cycle. 02%. The city's height is 5,430 feet (1,660 m). Living in Boulder offers residents an urban suburban mix feel and most residents rent their homes. Race and Hispanic origin in Boulder as a percentage of the total population, expressed as percentage point difference from Colorado. Breakdown of the population of Boulder, Colorado by age group. 366 sq mi (70. University of Colorado Museum of Natural History founded. 56% in the past year according to the most recent United States census data. General Census Records for Colorado The 1885 Colorado State Census is available on microfilm at the Colorado State Archives. 49% which is increased by 4,963 over last 10 years. Areas in green are more diverse, while areas in red are much less diverse. View the Boulder, CO population and other interesting demographics including: median age, male to female ratio, marital status, source of income, languages spoken and race breakdown. Boulder, CO had a population of 106k people in 2023, with a median age of 28. Census Bureau's American Community Survey. [14] 1909 Denver, Boulder and Western Railroad begins operating. 326,831), including age, race, sex, income, poverty, marital status, education and more. In the report, demographics are presented by campus, student level, and residency. Diversity and Diversity Scores for Boulder, CO The map below shows diversity in Boulder. Explore detailed demographics of Boulder, CO, including population makeup, salary levels, and local housing stats. For example, all-black and all-white areas in the city would both be considered lacking diversity. The map weighs percentage of black, indigenous, and people of color (BIPOC) population, median income, percentage living below the poverty line and percentage receiving financial assistance through the city’s Housing and Human Services aid programs to produce an equity score for each census block group. There were 69,248 first-year applications Population by Neighborhood in Boulder There are 67 neighborhoods that are fully or partially contained within Boulder (36 fully and 31 partially). Aug 7, 2025 · The most populous counties in Colorado are El Paso County with 752,772, Denver County at 729,019, Arapahoe County with 666,918, Jefferson County at 578,533, and Adams County with 542,973. 3% growth in the 2000s and 1. The graduate student population increased by 3,413 and it has been increasing. 4% decrease in population from 2020 to 2021. 4% White, 1. S. graduate students, sex of students, and Colorado residency. Topics in the Boulder County, Colorado data profile include: Populations and People; Income and Poverty; Education; Employment; Housing; Health; Business and Economy; Families and Living Arrangements; Race and Ethnicity Census data for Boulder, CO Metro Area (pop. View all towns and cities within Boulder County. We would like to show you a description here but the site won’t allow us. This approach is backed by significant national studies and is the only existing evidence-based solution for homelessness. The ratio of all residents to sex offenders in Boulder is 894 to 1. 120,121), including age, race, sex, income, poverty, marital status, education and more. [7] It is the principal city of the Boulder metropolitan statistical area, which had 330,758 residents in 2020 and is part of the Front Range Urban Corridor. [4 Facts and data on University of Colorado Boulder facts, data, enrollment numbers, degree programs and pride points. Previously, in 2022, Boulder's population was 105,620, an increase of 1. The ratio of all residents to sex offenders in Boulder is 866 to 1. All Federal Censuses have been digitized and are available through the National Archives and Records Administration at the link below. Boulder is a city in Colorado, State of United States, Boulder population in 2025 is estimated to be 107,458, covers city area of 27. 5% Multiracial. Other incorporated towns and cities include: Erie, Jamestown, Lafayette, Longmont, Louisville, Lyons, Nederland, Superior, and Ward. Among the diverse array of urban wildlife in Boulder, the red fox stands out as an iconic and adaptable species. Jun 6, 2019 · Moving to Boulder, Colorado by btobers · Published June 6, 2019 · Updated November 18, 2024 The student population at University of Colorado Boulder is 41,432 (32,105 undergraduate and 9,327 graduate students) . This Page Visualize the Enrollment Statistics By Gender, Age, and Attending Status At University of Colorado Boulder. The city experienced a . Counts of students enrolled at spring census, over time Breakdown by demographics and academic career Filter by Continuing Education or BLD3 on Documentation tab Boulder County Cities Summary Largest City Boulder is the largest city in Boulder County, with a population of 106,399. You can get the most current Census population data for all 64 Colorado counties, sorted from the most populous counties in Colorado to the least, according to the 2024 Population Estimates Program. As of the 2020 census, the population was 330,758. 8 and a median household income of $85,364. It is 25 miles (40 km) northwest of Denver. Boulder is a city in the state of Colorado, in the United States. Census Bureau. Most of this growth is still driven by births, with deaths returning to pre-pandemic levels. 104% decrease and its median household income grew from $99,770 to $102,772, a 3. 877 sq km), ranks twelfth largest city in Colorado State, 288 two-hundred-eighty-eighth city in the United States. Data shown includes all CU campuses, all levels. Boulder is in the foothills of the Rocky Mountains. The 2010 population was 295,056 and has seen a growth of 12. In 2020, there were 108,250 people living the City of Boulder. Boulder is in Boulder County and is one of the best places to live in Colorado. [13] Carnegie Library built. Diversity, in this case, means a mixture of people with different race and ethnicity living close to one another. This section compares all 34 of those to each other. Check here for your general Boulder trivia and facts. 8%, accelerating to 1. It is also the county seat of Boulder County. Geographically based survey data available from BLS: Employment & Unemployment Boulder County is a county located in the U. Location, demographics, elevation, population, weather, recreation and culture can be found here. 9 mi² (=67 km²) [6], in this year population density was 4,061. 4 percent (or 1,275 students) this fall, bringing the total student population to 38,428. [1] The most populous municipality in the county and the county seat is Boulder. The estimated population of Boulder County in 2023 was 328,317. 6% Hispanic, 1. CU Boulder enrollment data since 1877 with key historical annotations. 01% increase. This map presents the population of Boulder County, with one dot drawn for each person counted in the 2020 Census, color-coded by race. If population growth rate would be same as in period 2010-2014 (+1 The City of Boulder’s population has grown at a slower pace than the state of Colorado’s over the last four decades. Sep 30, 2025 · Ever wonder how many people live in Boulder, CO and how fast that number changes? Aterio data team has developed an AI enhanced model that helps organizations understand the forecasted growth of population in Boulder, CO for years 2025 through 2035. 55% compared to a population of 104,008 in 2021. Boulder is a home rule city in Boulder County, Colorado, United States, and its county seat. Boulder is currently declining at a rate of -0. Feb 21, 2025 · Explore Boulder, CO population by race and ethnicity. Undergraduate and graduate students make up approximately 31% of the City of Boulder’s population, which is reflected in the city’s demographic characteristics. Boulder has a population density of 3,981 persons per square mile, spanning 27 miles. Jul 1, 2024 · Frequently requested statistics for: Boulder County, ColoradoFact Notes (a) Includes persons reporting only one race (b) Hispanics may be of any race, so also are included in applicable race categories (c) Economic Census - Puerto Rico data are not comparable to U. About Us Boulder Community Profile Dashboard Information Significance This high-level snapshot includes key indicators and trends of Boulder population, housing, jobs and land use. Nationally, these studies are typically conducted every 10 years, especially in rapidly growing areas like metro Denver from 2010 to 2018. Jul 1, 2024 · QuickFacts Boulder city, Colorado QuickFacts provides statistics for all states and counties. Breakdown includes undergraduate vs. You can access data visualizations, data spreadsheets, data lookup applications, data spreadsheets, data Feb 22, 2025 · Explore Boulder, CO population by age group. 56% since that time. 9 square miles. Find latest trends in Boulder's racial demographics, Hispanic and Non-Hispanic population distribution spread across various races and ethnicities. 26% increase year-by-year from 2022. 38% increase. 3% annually and its population has increased by 33. 69%), and Two+ (Hispanic) (5. Boulder has a poverty rate of 20. With that in mind, though the 2019 study reliably depicts this moment in time, it is not predictive of future trends. 7%), Asian (Non-Hispanic) (5. ucohzr nfec khcave qhcse kpxenzu jrwx lvbqiud zlxeh acspa imd thho vlm ghas kivyt esia