County Maps US

Custer County, Colorado

A county in Colorado, ranked 51 of 64 by population.

CountyFIPS 08027

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

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Population
5,590
+866 (+18.3%) since 2020
Land area
738.6
square miles. A further 0.2% of the total area is water
Population density
7.6
people per square mile, computed rather than published
County seat
Westcliffe
Seat of county government.
Established
1877
148 years ago
Largest city
Silver Cliff town
Population 713.

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 Custer 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 Custer 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 541 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 Custer 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
Population5,59051st of 642,769th of 3,144
Land area738.6 sq mi51st of 641,196th of 3,144
Population density7.6 per sq mi38th of 642,660th of 3,144
Median household income$72,67434th of 641,001st of 3,143

Full data for Custer County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population5,590Vintage 2025 Population Estimates
Population in 20204,724Vintage 2025 Population Estimates
2020 estimates base?4,707Vintage 2025 Population Estimates
Land area738.6 sq mi2025 Gazetteer Files
Water area1.3 sq mi2025 Gazetteer Files
Total area739.9 sq mi2025 Gazetteer Files
Population density?7.6 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$72,674American Community Survey 2020-2024 5-Year Estimates
Median home value$392,100American Community Survey 2020-2024 5-Year Estimates
Median age58.2American Community Survey 2020-2024 5-Year Estimates
Households2,672American Community Survey 2020-2024 5-Year Estimates
Housing units4,631American 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
+7
55 births, 48 deaths
Net migration
+16
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 Custer 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
Fremont CountyColorado41 mi50,039
Huerfano CountyColorado41 mi7,011
Saguache CountyColorado37 mi6,732
Pueblo CountyColorado24 mi169,277

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.