Data / Weld County / Profile

Weld County in figures

A profile of Weld County from official statistics: 24 figures in 6 sections, each with its period, its change from a year earlier, its rank among similar places where a ranking exists, and its source.

Figures last updated on 2026-10-12.

People

Population in Weld County was 378,426 in 2025, up 1.9% from 2024, and the 7th highest of 64 counties in Colorado.

Population378,4262025Up 1.9% from 2024The 7th highest of 64 counties in Colorado
Median age35.3 years2024Up 0.1 years from 2023Tied for the 4th lowest of 64 counties in Colorado
Population aged 65 and over13.9%2025Up 0.4 percentage points from 2024The 3rd lowest of 64 counties in Colorado
Foreign-born population share9.1%2024Unchanged from 2023
Population density36.7 inhabitants per km²2025Up 1.9% from 2024
Net domestic migration, July to June3,8572025, estimatedCompared with 5,753 in 2024
330K340K350K360K370K380K2020202120222023202420252020: 331,434 persons2021: 339,891 persons2022: 350,793 persons2023: 360,971 persons2024: 371,280 persons2025: 378,426 persons
Population, 2020 to 2025. persons. Source: U.S. Census Bureau, Annual estimates of the resident population for the United States, states and counties, 1 July (Population Estimates Program).

Sources: U.S. Census Bureau, Annual estimates of the resident population for the United States, states and counties, 1 July (Population Estimates Program); U.S. Census Bureau, American Community Survey 5-year estimates, table B01002: median age, total population; U.S. Census Bureau, Population Estimates Program, county population by age and sex (cc-est agesex): residents aged 65 and over as a percentage of the total, 1 July; states and the nation summed from counties; U.S. Census Bureau, American Community Survey 5-year estimates, table B05002: foreign-born population as a percentage of the total population, calculated with stored inputs; U.S. Census Bureau, Population Estimates Program resident population on 1 July divided by land area from the latest Census Gazetteer files, persons per km²; U.S. Census Bureau, Population Estimates Program: net domestic migration, states and counties, July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021. Population and demography statistics and rankings

Work and income

Unemployment rate in Weld County was 5% (provisional) in August 2026, up 0.8 percentage points from August 2025, and tied for the 13th highest of 64 counties in Colorado.

Unemployment rate5%August 2026, provisionalUp 0.8 percentage points from August 2025Tied for the 13th highest of 64 counties in Colorado
Median household income$97,0972024Up 4.1% from 2023The 12th highest of 64 counties in Colorado
Per capita personal income$63,6722024Up 3.4% from 2023The 31st highest of 64 counties in Colorado
Poverty rate (US official measure)9.6%2024Up 0.5 percentage points from 2023
Gini index42.12024Up 0.1 points from 2023
2345672021-072022-042023-012023-102024-072025-042026-082021-07: 6.1 %2021-08: 5.7 %2021-09: 5.1 %2021-10: 4.8 %2021-11: 4.3 %2021-12: 4.1 %2022-01: 4.6 %2022-02: 4.3 %2022-03: 3.7 %2022-04: 3.1 %2022-05: 3 %2022-06: 3.3 %2022-07: 3.2 %2022-08: 3 %2022-09: 2.8 %2022-10: 2.9 %2022-11: 3 %2022-12: 2.9 %2023-01: 3.4 %2023-02: 3.7 %2023-03: 3.2 %2023-04: 2.7 %2023-05: 3.1 %2023-06: 3.8 %2023-07: 3.4 %2023-08: 3.6 %2023-09: 3.4 %2023-10: 3.5 %2023-11: 3.6 %2023-12: 3.7 %2024-01: 4.4 %2024-02: 4.5 %2024-03: 4 %2024-04: 3.8 %2024-05: 4.1 %2024-06: 4.6 %2024-07: 4.7 %2024-08: 4.7 %2024-09: 4.4 %2024-10: 4.4 %2024-11: 4.6 %2024-12: 4.3 %2025-01: 4.7 %2025-02: 4.9 %2025-03: 4.4 %2025-04: 4.1 %2025-05: 4.2 %2025-06: 4.4 %2025-07: 4.4 %2025-08: 4.2 %2025-09: 4.1 %2025-11: 4.1 %2025-12: 3.9 %2026-01: 4.8 %2026-02: 4.8 %2026-03: 4.1 %2026-04: 3.8 %2026-05: 4 %2026-06: 4.4 %2026-07: 4.5 %2026-08: 5 %
Unemployment rate, July 2021 to August 2026. %. Source: U.S. Bureau of Labor Statistics, Local Area Unemployment Statistics: unemployment rate by county, not seasonally adjusted.

Sources: U.S. Bureau of Labor Statistics, Local Area Unemployment Statistics: unemployment rate by county, not seasonally adjusted; U.S. Census Bureau, American Community Survey 5-year estimates, table B19013: median household income in the past 12 months; U.S. Bureau of Economic Analysis, CAINC1: county annual personal income summary, per capita personal income, current dollars, individual counties and county equivalents; U.S. Census Bureau, Small Area Income and Poverty Estimates (SAIPE): percent of people of all ages in poverty, states and counties; U.S. Census Bureau, American Community Survey 5-year estimates, table B19083: Gini index of household income inequality (coefficient multiplied by 100). Labor market statistics and rankings

Economy

GDP (US dollars) in Weld County was $29.47 billion in 2024, up 5% from 2023, and the 8th highest of 64 counties in Colorado.

Gross domestic product (GDP), US dollars$29.47 billion2024Up 5% from 2023The 8th highest of 64 counties in Colorado
GDP per capita, US dollars$79,7132024Up 2.3% from 2023The 22nd highest of 64 counties in Colorado
Real GDP growth6.5%2024Down 11.6 percentage points from 2023The 7th highest of 64 counties in Colorado
5,00010K15K20K25K30K20012005200920132017202120242001: 5,691.6 USD million2002: 5,679.4 USD million2003: 6,138.7 USD million2004: 6,925.4 USD million2005: 7,893.6 USD million2006: 8,325.8 USD million2007: 9,065 USD million2008: 10,173.2 USD million2009: 9,502.6 USD million2010: 10,287.5 USD million2011: 11,239.4 USD million2012: 12,212.1 USD million2013: 14,286.8 USD million2014: 17,334.9 USD million2015: 15,944.8 USD million2016: 15,912.6 USD million2017: 18,534 USD million2018: 21,993.3 USD million2019: 21,657.7 USD million2020: 17,882.1 USD million2021: 23,874.8 USD million2022: 29,035 USD million2023: 28,064.1 USD million2024: 29,473.4 USD million
Gross domestic product (GDP), US dollars, 2001 to 2024. USD million. Source: U.S. Bureau of Economic Analysis, CAGDP1: county GDP summary, current-dollar GDP (published in thousands of dollars, shown in millions).

Sources: U.S. Bureau of Economic Analysis, CAGDP1: county GDP summary, current-dollar GDP (published in thousands of dollars, shown in millions); Invokely, GDP in current dollars (BEA SAGDP2 and CAGDP1) divided by mid-year population (BEA SAINC1 and CAINC1); U.S. Bureau of Economic Analysis, CAGDP11: annual percent change in real GDP, all industry total, individual counties and county equivalents. Economy statistics and rankings

Prices and housing

Median home value in Weld County was $471,700 in 2024, up 6.1% from 2023, and the 26th highest of 64 counties in Colorado.

Median home value$471,7002024Up 6.1% from 2023The 26th highest of 64 counties in Colorado
County house price annual change, sales and refinances0.74%2025Down 1.22 percentage points from 2024The 11th lowest of 57 counties in Colorado in 2022
Median gross rent (monthly)$1,5392024Up 4.8% from 2023The 21st highest of 64 counties in Colorado
Homeownership rate (US, housing units)76%2024Up 0.5 percentage points from 2023
Housing units authorized by building permits2,9932025, estimatedDown 13.7% from 2024
350K375K400K425K450K475K20212022202320242021: 352,000 USD2022: 412,200 USD2023: 444,500 USD2024: 471,700 USD
Median home value, 2021 to 2024. USD. Source: U.S. Census Bureau, American Community Survey 5-year estimates, table B25077: median value (dollars), owner-occupied housing units.

Sources: U.S. Census Bureau, American Community Survey 5-year estimates, table B25077: median value (dollars), owner-occupied housing units; Federal Housing Finance Agency, FHFA developmental all-transactions county house prices, published annual percent change, nominal, not seasonally adjusted; U.S. Census Bureau, American Community Survey 5-year estimates, table B25064: median gross rent (dollars), renter-occupied housing units paying cash rent; U.S. Census Bureau, American Community Survey 5-year estimates, table B25003: owner-occupied housing units as a percentage of occupied housing units, calculated with stored inputs; U.S. Census Bureau, Building Permits Survey: final annual county estimates of new privately owned housing units authorized, including imputation. Housing statistics and rankings

Business and tourism

Employer firms in Weld County were 5,769 in 2023, up 1.1% from 2022, and the 9th highest of 64 counties in Colorado.

Employer firms5,7692023Up 1.1% from 2022The 9th highest of 64 counties in Colorado
Farms3,8812022No 2021 figure to compareThe highest of 63 counties in Colorado
3,0003,5004,0004,5005,0005,5006,00019992003200720112015201920231999: 3,412 count2000: 3,524 count2001: 3,682 count2002: 3,826 count2003: 3,922 count2004: 4,044 count2005: 4,198 count2006: 4,322 count2007: 4,384 count2008: 4,399 count2009: 4,334 count2010: 4,278 count2011: 4,282 count2012: 4,325 count2013: 4,434 count2014: 4,675 count2015: 4,783 count2016: 4,904 count2017: 5,018 count2018: 5,192 count2019: 5,326 count2020: 5,401 count2021: 5,565 count2022: 5,705 count2023: 5,769 count
Employer firms, 1999 to 2023. count. Source: U.S. Census Bureau, Business Dynamics Statistics: employer firms, all covered industries, nation, states and counties.

Sources: U.S. Census Bureau, Business Dynamics Statistics: employer firms, all covered industries, nation, states and counties; U.S. Department of Agriculture, National Agricultural Statistics Service, Census of Agriculture: number of farms, nation, states and counties (1997 to 2022). Companies statistics and rankings

Energy and environment

Median Air Quality Index (US EPA) in Weld County was 52 in 2025, down 2 points from 2024, and the highest of 30 counties in Colorado.

Median Air Quality Index (US EPA)522025Down 2 points from 2024The highest of 30 counties in Colorado
Share of days with good air quality (US EPA AQI)44.7%2025Up 4 percentage points from 2024The lowest of 30 counties in Colorado
Average annual temperature50.7 °F2025Down 0.9 °F from 2024The 23rd highest of 64 counties in Colorado
42.54547.55052.55520012005200920132017202120252001: 43 index2002: 44 index2003: 47 index2004: 45 index2005: 45 index2006: 50 index2007: 47 index2008: 44 index2009: 44 index2010: 47 index2011: 47 index2012: 49 index2013: 48 index2014: 46 index2015: 47 index2016: 49 index2017: 51 index2018: 54 index2019: 53 index2020: 52 index2021: 54 index2022: 51 index2023: 55 index2024: 54 index2025: 52 index
Median Air Quality Index (US EPA), 2001 to 2025. index. Source: U.S. Environmental Protection Agency, EPA AirData annual AQI by county: median daily AQI.

Sources: U.S. Environmental Protection Agency, EPA AirData annual AQI by county: median daily AQI; U.S. Environmental Protection Agency, EPA AirData annual AQI by county: good days as a share of days with an AQI, calculated with stored counts; NOAA National Centers for Environmental Information, NOAA Climate at a Glance, January to December average temperature, counties. Environment and emissions statistics and rankings

Sources and citations

Each figure comes from the table cited here. Cite the publisher; these citations include any notice the publisher requires.

  1. U.S. Census Bureau. Annual estimates of the resident population for the United States, states and counties, 1 July (Population Estimates Program). https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-08.
  2. U.S. Census Bureau. American Community Survey 5-year estimates, table B01002: median age, total population. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b01002.dat. Retrieved 2026-10-08.
  3. U.S. Census Bureau. Population Estimates Program, county population by age and sex (cc-est agesex): residents aged 65 and over as a percentage of the total, 1 July; states and the nation summed from counties. https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/counties/asrh/cc-est2025-agesex-all.csv. Retrieved 2026-10-09.
  4. U.S. Census Bureau. American Community Survey 5-year estimates, table B05002: foreign-born population as a percentage of the total population, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b05002.dat. Retrieved 2026-10-09.
  5. U.S. Census Bureau. Population Estimates Program resident population on 1 July divided by land area from the latest Census Gazetteer files, persons per km². https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-09.
  6. U.S. Census Bureau. Population Estimates Program: net domestic migration, states and counties, July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Retrieved 2026-10-12.
  7. U.S. Bureau of Labor Statistics. Local Area Unemployment Statistics: unemployment rate by county, not seasonally adjusted. https://download.bls.gov/pub/time.series/la/la.data.0.CurrentU25-29. Retrieved 2026-10-08.
  8. U.S. Census Bureau. American Community Survey 5-year estimates, table B19013: median household income in the past 12 months. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b19013.dat. Retrieved 2026-10-08.
  9. U.S. Bureau of Economic Analysis. CAINC1: county annual personal income summary, per capita personal income, current dollars, individual counties and county equivalents. https://apps.bea.gov/regional/zip/CAINC1.zip. Retrieved 2026-10-11.
  10. U.S. Census Bureau. Small Area Income and Poverty Estimates (SAIPE): percent of people of all ages in poverty, states and counties. https://www2.census.gov/programs-surveys/saipe/datasets/2024/2024-state-and-county/est24all.txt. Retrieved 2026-10-08.
  11. U.S. Census Bureau. American Community Survey 5-year estimates, table B19083: Gini index of household income inequality (coefficient multiplied by 100). https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b19083.dat. Retrieved 2026-10-10.
  12. U.S. Bureau of Economic Analysis. CAGDP1: county GDP summary, current-dollar GDP (published in thousands of dollars, shown in millions). https://apps.bea.gov/regional/zip/CAGDP1.zip. Retrieved 2026-10-08.
  13. Invokely calculation from GDP in current dollars (BEA SAGDP2 and CAGDP1) divided by mid-year population (BEA SAINC1 and CAINC1). https://invokely.ai/docs/methodology#gdp_per_capita_usd. Retrieved 2026-10-09.
  14. U.S. Bureau of Economic Analysis. CAGDP11: annual percent change in real GDP, all industry total, individual counties and county equivalents. https://apps.bea.gov/regional/zip/CAGDP11.zip. Retrieved 2026-10-08.
  15. U.S. Census Bureau. American Community Survey 5-year estimates, table B25077: median value (dollars), owner-occupied housing units. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25077.dat. Retrieved 2026-10-09.
  16. Federal Housing Finance Agency (FHFA). FHFA developmental all-transactions county house prices, published annual percent change, nominal, not seasonally adjusted. https://www.fhfa.gov/hpi/download/annual/hpi_at_county.xlsx. Retrieved 2026-10-10.
  17. U.S. Census Bureau. American Community Survey 5-year estimates, table B25064: median gross rent (dollars), renter-occupied housing units paying cash rent. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25064.dat. Retrieved 2026-10-09.
  18. U.S. Census Bureau. American Community Survey 5-year estimates, table B25003: owner-occupied housing units as a percentage of occupied housing units, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25003.dat. Retrieved 2026-10-09.
  19. U.S. Census Bureau. Building Permits Survey: final annual county estimates of new privately owned housing units authorized, including imputation. https://www2.census.gov/econ/bps/County/co2025a.txt. Retrieved 2026-10-10.
  20. U.S. Census Bureau. Business Dynamics Statistics: employer firms, all covered industries, nation, states and counties. https://www2.census.gov/programs-surveys/bds/tables/time-series/2023/bds2023_st_cty.csv. Retrieved 2026-10-11.
  21. Source: USDA National Agricultural Statistics Service, Census of Agriculture. Census of Agriculture: number of farms, nation, states and counties (1997 to 2022). Retrieved through Data Commons (datacommons.org). https://www.nass.usda.gov/AgCensus/. Retrieved 2026-10-11. Retrieved through Data Commons (https://datacommons.org).
  22. U.S. Environmental Protection Agency, Air Quality System, AirData. EPA AirData annual AQI by county: median daily AQI. https://aqs.epa.gov/aqsweb/airdata/download_files.html#Annual. Retrieved 2026-10-12.
  23. U.S. Environmental Protection Agency, Air Quality System, AirData. EPA AirData annual AQI by county: good days as a share of days with an AQI, calculated with stored counts. https://aqs.epa.gov/aqsweb/airdata/download_files.html#Annual. Retrieved 2026-10-12.
  24. NOAA National Centers for Environmental Information, Climate at a Glance. NOAA Climate at a Glance, January to December average temperature, counties. From the NOAA Monthly U.S. Climate Divisional Database (nClimDiv), doi:10.7289/V5M32STR. https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping. Retrieved 2026-10-12.

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