County Maps US

Laramie County, Wyoming

The most populous of Wyoming's 23 counties.

CountyFIPS 56021

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

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Population
102,938
+2,211 (+2.2%) since 2020
Land area
2,686
square miles. A further 0.1% of the total area is water
Population density
38.3
people per square mile, computed rather than published
County seat
Cheyenne
Seat of county government.
Established
1867
158 years ago
Largest city
Cheyenne city
Population 66,507.

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 Laramie 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 Laramie 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 800 by 596 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 Laramie 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
Population102,9381st of 23610th of 3,144
Land area2,686 sq mi15th of 23193rd of 3,144
Population density38.3 per sq mi1st of 231,709th of 3,144
Median household income$80,1738th of 23577th of 3,143

Full data for Laramie County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population102,938Vintage 2025 Population Estimates
Population in 2020100,727Vintage 2025 Population Estimates
2020 estimates base?100,511Vintage 2025 Population Estimates
Land area2,686 sq mi2025 Gazetteer Files
Water area1.7 sq mi2025 Gazetteer Files
Total area2,688 sq mi2025 Gazetteer Files
Population density?38.3 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$80,173American Community Survey 2020-2024 5-Year Estimates
Median home value$348,700American Community Survey 2020-2024 5-Year Estimates
Median age38.5American Community Survey 2020-2024 5-Year Estimates
Households43,279American Community Survey 2020-2024 5-Year Estimates
Housing units45,659American 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
+133
1,170 births, 1,037 deaths
Net migration
+1,120
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 7 areas bordering Laramie 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
Weld CountyColorado47 mi378,426
Albany CountyWyoming46 mi38,558
Goshen CountyWyoming37 mi12,640
Platte CountyWyoming32 mi8,634
Kimball CountyNebraska27 mi3,391
Larimer CountyColorado17 mi377,292
Banner CountyNebraska12 mi686

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.