County Maps US

Rock County, Nebraska

A county in Nebraska, ranked 80 of 93 by population.

CountyFIPS 31149

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

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Population
1,259
-9 (-0.7%) since 2020
Land area
1,008
square miles. A further 0.3% of the total area is water
Population density
1.3
people per square mile, computed rather than published
County seat
Bassett
Seat of county government.
Established
1888
137 years ago
Largest city
Bassett city
Population 536.

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 Rock 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 Rock 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 411 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 Rock 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
Population1,25980th of 933,094th of 3,144
Land area1,008 sq mi16th of 93672nd of 3,144
Population density1.3 per sq mi79th of 933,046th of 3,144
Median household income$58,12585th of 932,253rd of 3,143

Full data for Rock County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population1,259Vintage 2025 Population Estimates
Population in 20201,268Vintage 2025 Population Estimates
2020 estimates base?1,266Vintage 2025 Population Estimates
Land area1,008 sq mi2025 Gazetteer Files
Water area3.4 sq mi2025 Gazetteer Files
Total area1,012 sq mi2025 Gazetteer Files
Population density?1.3 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$58,125American Community Survey 2020-2024 5-Year Estimates
Median home value$117,500American Community Survey 2020-2024 5-Year Estimates
Median age49.4American Community Survey 2020-2024 5-Year Estimates
Households600American Community Survey 2020-2024 5-Year Estimates
Housing units809American 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
-1
13 births, 14 deaths
Net migration
-3
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 5 areas bordering Rock 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
Holt CountyNebraska51 mi10,067
Brown CountyNebraska45 mi2,826
Keya Paha CountyNebraska24 mi792
Loup CountyNebraska22 mi570
Boyd CountyNebraskaa single point1,674

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.