County Maps US

Grant County, Nebraska

A county in Nebraska, ranked 90 of 93 by population.

CountyFIPS 31075Sparse data

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

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Population
561
-51 (-8.3%) since 2020
Land area
776.7
square miles. A further 0.9% of the total area is water
Population density
0.72
people per square mile, computed rather than published
County seat
Hyannis
Seat of county government.
Established
1884
141 years ago
Largest city
Hyannis village
Population 148.

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 Grant 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 Grant 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 615 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 Grant 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
Population56190th of 933,135th of 3,144
Land area776.7 sq mi27th of 931,120th of 3,144
Population density0.72 per sq mi89th of 933,100th of 3,144
Median household income$70,14737th of 931,187th of 3,143

Full data for Grant County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population561Vintage 2025 Population Estimates
Population in 2020612Vintage 2025 Population Estimates
2020 estimates base?611Vintage 2025 Population Estimates
Land area776.7 sq mi2025 Gazetteer Files
Water area6.7 sq mi2025 Gazetteer Files
Total area783.4 sq mi2025 Gazetteer Files
Population density?0.72 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$70,147American Community Survey 2020-2024 5-Year Estimates
Median home value$136,700American Community Survey 2020-2024 5-Year Estimates
Median age40.4American Community Survey 2020-2024 5-Year Estimates
Households284American Community Survey 2020-2024 5-Year Estimates
Housing units407American 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
-4
4 births, 8 deaths
Net migration
+3
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 5 areas bordering Grant 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
Cherry CountyNebraska30 mi5,561
Arthur CountyNebraska29 mi396
Hooker CountyNebraska24 mi686
Garden CountyNebraska23 mi1,804
Sheridan CountyNebraska9.0 mi4,809

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.