Broomfield County, Colorado

A county in Colorado, ranked 12 of 64 by population.

CountyFIPS 08014

Within Colorado
Broomfield County, highlighted, with the areas around it. Boundaries generalised from the 2025 Census cartographic boundary file; neighbour fills carry no data. The dot marks Broomfield, the county seat, located via the 2025 Census Gazetteer.

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Population
79,174
+4,692 (+6.3%) since 2020
Land area
33.0
square miles. A further 1.7% of the total area is water
Population density
2,402
people per square mile, computed rather than published
Seat
Broomfield
Broomfield County is its own seat.
Established
2001
24 years ago
Largest city
Broomfield city
Population 79,174.

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; Wikidata (CC0), Wikidata. Retrieved 30 August 2026.

Satellite view

Aerial imagery of Broomfield County with its boundary drawn on top. A map shows you the shape; this shows you what is inside it, and which side of the line a place falls on.

Aerial view of Broomfield County, Colorado from the USGS National Map, with its boundary outlined
Imagery: USGS National Map, USGS Imagery Only, public domain, requested from USGS by your browser when you reach this point on the page, at 800 by 791 pixels. The boundary is the 2025 Census cartographic boundary file, reprojected to Web Mercator to match the imagery. You can also open the USGS National Map viewer.

Where Broomfield County ranks

Position among the 64 counties of Colorado, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn ColoradoNationally
Population79,17412th of 64735th of 3,144
Land area33.0 sq mi64th of 643,113th of 3,144
Population density2,402 per sq mi2nd of 6455th of 3,144
Median household income$123,8743rd of 6446th of 3,143

Full data for Broomfield County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population79,174Vintage 2025 Population Estimates
Population in 202074,482Vintage 2025 Population Estimates
2020 estimates base?74,103Vintage 2025 Population Estimates
Land area33.0 sq mi2025 Gazetteer Files
Water area0.58 sq mi2025 Gazetteer Files
Total area33.6 sq mi2025 Gazetteer Files
Population density?2,402 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$123,874American Community Survey 2020-2024 5-Year Estimates
Median home value$664,500American Community Survey 2020-2024 5-Year Estimates
Median age38.6American Community Survey 2020-2024 5-Year Estimates
Households31,760American Community Survey 2020-2024 5-Year Estimates
Housing units33,202American Community Survey 2020-2024 5-Year Estimates

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; US Census Bureau, American Community Survey, American Community Survey 2020-2024 5-Year Estimates, released 29 January 2026. Population density is computed here, not published: it divides the Vintage 2025 population estimate by the 2025 Gazetteer land area, which are two different Census products. Retrieved 30 August 2026.

How the population changed

The Census Bureau publishes the components behind an estimate, not just the total. For the year to July 2025:

Births minus deaths
+174
685 births, 511 deaths
Net migration
+588
More people moved in than moved out.

Source: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026. Retrieved 30 August 2026.

The 4 areas bordering Broomfield County

Ordered by the length of the border actually shared, which the Census Bureau publishes in its county adjacency file and which no other county reference presents.

Bordering areaStateShared borderPopulation
Boulder CountyColorado25 mi328,560
Adams CountyColorado16 mi554,668
Jefferson CountyColorado15 mi580,451
Weld CountyColorado14 mi378,426

Source: US Census Bureau, County Adjacency File, 2025 County Adjacency File, released 15 September 2025. Retrieved 30 August 2026.

All 64 counties of Colorado

Open the interactive Colorado county map, or jump straight to any of them.

Data on this page last rebuilt 30 August 2026. How these figures are produced.