Routt County, Colorado

A county in Colorado, ranked 23 of 64 by population.

CountyFIPS 08107

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

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Population
25,329
+492 (+2.0%) since 2020
Land area
2,362
square miles. A further 0.3% of the total area is water
Population density
10.7
people per square mile, computed rather than published
County seat
Steamboat Springs
Seat of county government.
Established
1877
148 years ago
Largest city
Steamboat Springs city
Population 13,557.

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 Routt 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 Routt 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 495 by 800 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 Routt 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
Population25,32923rd of 641,613th of 3,144
Land area2,362 sq mi15th of 64235th of 3,144
Population density10.7 per sq mi33rd of 642,544th of 3,144
Median household income$106,4896th of 64115th of 3,143

Full data for Routt County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population25,329Vintage 2025 Population Estimates
Population in 202024,837Vintage 2025 Population Estimates
2020 estimates base?24,829Vintage 2025 Population Estimates
Land area2,362 sq mi2025 Gazetteer Files
Water area6.1 sq mi2025 Gazetteer Files
Total area2,368 sq mi2025 Gazetteer Files
Population density?10.7 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$106,489American Community Survey 2020-2024 5-Year Estimates
Median home value$854,700American Community Survey 2020-2024 5-Year Estimates
Median age43.4American Community Survey 2020-2024 5-Year Estimates
Households11,281American Community Survey 2020-2024 5-Year Estimates
Housing units17,169American 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
+85
228 births, 143 deaths
Net migration
-232
More people moved out than moved in.

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

The 7 areas bordering Routt 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
Jackson CountyColorado64 mi1,211
Moffat CountyColorado60 mi13,122
Grand CountyColorado38 mi16,496
Rio Blanco CountyColorado31 mi6,683
Carbon CountyWyoming24 mi14,013
Eagle CountyColorado22 mi54,291
Garfield CountyColorado12 mi63,474

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.