Cheyenne County, Nebraska

A county in Nebraska, ranked 29 of 93 by population.

CountyFIPS 31033

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

Download SVGFull Nebraska map downloads

Population
9,528
+40 (+0.4%) since 2020
Land area
1,196
square miles. A further 0.0% of the total area is water
Population density
8.0
people per square mile, computed rather than published
County seat
Sidney
Seat of county government.
Established
1867
158 years ago
Largest city
Sidney city
Population 6,432.

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 Cheyenne 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 Cheyenne County, Nebraska 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 623 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 Cheyenne County ranks

Position among the 93 counties of Nebraska, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn NebraskaNationally
Population9,52829th of 932,445th of 3,144
Land area1,196 sq mi11th of 93513th of 3,144
Population density8.0 per sq mi47th of 932,640th of 3,144
Median household income$60,34877th of 932,055th of 3,143

Full data for Cheyenne County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population9,528Vintage 2025 Population Estimates
Population in 20209,488Vintage 2025 Population Estimates
2020 estimates base?9,468Vintage 2025 Population Estimates
Land area1,196 sq mi2025 Gazetteer Files
Water area0.11 sq mi2025 Gazetteer Files
Total area1,196 sq mi2025 Gazetteer Files
Population density?8.0 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$60,348American Community Survey 2020-2024 5-Year Estimates
Median home value$139,700American Community Survey 2020-2024 5-Year Estimates
Median age42.5American Community Survey 2020-2024 5-Year Estimates
Households4,464American Community Survey 2020-2024 5-Year Estimates
Housing units4,888American 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
-27
110 births, 137 deaths
Net migration
+18
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 Cheyenne 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
Logan CountyColorado38 mi20,654
Morrill CountyNebraska38 mi4,404
Kimball CountyNebraska27 mi3,391
Garden CountyNebraska16 mi1,804
Deuel CountyNebraska16 mi1,862
Banner CountyNebraska3.4 mi686
Sedgwick CountyColorado1.7 mi2,247

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

All 93 counties of Nebraska

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

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