Lincoln County, Wyoming

A county in Wyoming, ranked 10 of 23 by population.

CountyFIPS 56023

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

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Population
21,180
+1,526 (+7.8%) since 2020
Land area
4,075
square miles. A further 0.5% of the total area is water
Population density
5.2
people per square mile, computed rather than published
County seat
Kemmerer
Seat of county government.
Established
1913
112 years ago
Largest city
Kemmerer city
Population 2,353.

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 Lincoln 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 Lincoln County, Wyoming 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 389 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 Lincoln County ranks

Position among the 23 counties of Wyoming, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn WyomingNationally
Population21,18010th of 231,767th of 3,144
Land area4,075 sq mi11th of 23117th of 3,144
Population density5.2 per sq mi9th of 232,763rd of 3,144
Median household income$89,3304th of 23316th of 3,143

Full data for Lincoln County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population21,180Vintage 2025 Population Estimates
Population in 202019,654Vintage 2025 Population Estimates
2020 estimates base?19,578Vintage 2025 Population Estimates
Land area4,075 sq mi2025 Gazetteer Files
Water area19.3 sq mi2025 Gazetteer Files
Total area4,095 sq mi2025 Gazetteer Files
Population density?5.2 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$89,330American Community Survey 2020-2024 5-Year Estimates
Median home value$372,600American Community Survey 2020-2024 5-Year Estimates
Median age42.7American Community Survey 2020-2024 5-Year Estimates
Households8,324American Community Survey 2020-2024 5-Year Estimates
Housing units9,964American 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
+31
209 births, 178 deaths
Net migration
+163
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 8 areas bordering Lincoln 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
Sublette CountyWyoming98 mi8,929
Uinta CountyWyoming52 mi20,728
Sweetwater CountyWyoming48 mi41,267
Bear Lake CountyIdaho35 mi6,727
Caribou CountyIdaho35 mi7,252
Teton CountyWyoming29 mi23,333
Rich CountyUtah29 mi2,687
Bonneville CountyIdaho20 mi135,771

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

All 23 counties of Wyoming

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

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