- county
- FIPS 31149
Rock County, Nebraska
Rock County had 1,241 residents in the Census Vintage 2024 estimate, on 1,008.3 square miles of land. It ranks 80th of 93 in Nebraska by population and 16th by land area.
- Population
- 1,241
- #80 of 93 in Nebraska · #3,096 in US
- Area
- 1,008.3 sq mi
- #16 of 93 in Nebraska · #672 in US
- Density
- 1.2 / sq mi
- #79 of 93 in Nebraska · #3,049 in US
- Median household income
- $56,969
- #77 of 93 in Nebraska · #2,138 in US
Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area
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Rock County population, land area and income
Rock County had 1,241 residents in the Census Vintage 2024 estimate, on 1,008.3 square miles of land. It ranks 80th of 93 in Nebraska by population and 16th by land area. That works out to 1.2 people per square mile, below the US average of 96.3, and in the bottom quarter nationally.
The median county-equivalent in Nebraska has 6,103 residents, so Rock County has 20% of the typical county's population.
Its SAIPE 2023 median household income of $56,969 is below the national county median among 3,143 counties with an estimate.
National rank among 3,144
Population
1,241
3096th of 3,144 (US)
Land area
1,008 sq mi
672nd of 3,144 (US)
Density
1.2 / sq mi
3049th of 3,144 (US)
Median household income
$56,969
2138th of 3,143 (US)
Rank within Nebraska (93)
Population
1,241
80th of 93 (NE)
Land area
1,008 sq mi
16th of 93 (NE)
Density
1.2 / sq mi
79th of 93 (NE)
Median household income
$56,969
77th of 93 (NE)
How Rock County's population changed since 2020
Rock County lost 24 residents between the July 2020 and July 2024 estimates, a drop of 1.9%. That ranks 66th of 93 in Nebraska for growth. The median Nebraska county changed by -0.6%, and the state as a whole by +2.1%.
Since the April 2020 estimates base, Rock County recorded 63 births and 101 deaths, a natural change of -38. Net international migration added +0 and net domestic migration, people moving to or from other US counties, came to +15. The largest single component was natural change, which removed 38 people.
Components of change, April 2020 to July 2024
- Births
- 63
- Deaths
- 101
- Net international migration
- +0
- Net domestic migration
- +15
- Change, July 2023 to July 2024
- -18
Where Rock County is
The Census internal point of Rock County is at 42.394700, -99.420900. It sits in UTM zone 14N. The map shades Nebraska's 93 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Rock County outlined. Dots are towns of 1,000+ people with residents in it.
- < -3.0%
- < -1.1%
- < +0.1%
- < +1.7%
- ≥ +1.7%
Orange pin: Rock County internal point. Dark pin: Lincoln.
Internal point
- Decimal
- 42.394700, -99.420900
- DMS
- 42°23'40.92"N 99°25'15.24"W
- UTM
- 14N 465358.3E 4693686.6N
- Geohash
- 9z931tezj
- Plus code
- 86J29HVH+VJ
Towns in Rock County
No incorporated place of 1,000 or more people has residents in Rock County. Its 1,241 residents live in smaller towns, census-designated places, or unincorporated land, which the subcounty estimates do not list at this size.
Counties bordering Rock County
The Census 2024 county adjacency file lists 5 neighbors for Rock County. The most populous is Holt County, NE, with 10,120 residents. Distances run between Census internal points in a straight line.
Distance to Lincoln and the nearest big city
Lincoln is 178.3 miles SE of Rock County's internal point in a straight line. The nearest place of 100,000 or more is Sioux Falls, SD (population 209,289), 157.3 miles away. The nearest place of 10,000 or more is Norfolk, NE (population 26,162), 105.1 miles away.
Rock County FIPS code
The FIPS code of Rock County is 31149: state code 31 for Nebraska plus county code 149. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $56,969.
Questions people ask
What is the population of Rock County, Nebraska?
The Census Vintage 2024 estimate for July 1, 2024 is 1,241. That is down 24 people (1.9%) from the July 2020 estimate of 1,265.
What is the FIPS code of Rock County?
31149. The first two digits (31) are Nebraska; the last three (149) identify the county.
What is the largest town in Rock County?
No incorporated place of 1,000 or more people has residents in Rock County. Its people live in smaller towns, census-designated places or unincorporated land.
Which counties border Rock County?
5 county-equivalents border it in the Census 2024 adjacency file: Holt County, NE; Brown County, NE; Boyd County, NE; Keya Paha County, NE; Loup County, NE.
Sources and data as of
Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.
- 01Census Vintage 2024 county population estimates
- 02Census 2024 Gazetteer, counties
- 03Census SAIPE 2023 state and county estimates
- 04Census Vintage 2024 subcounty population estimates
- 05Census 2024 county adjacency file
- 06Census 2024 cartographic boundary file, counties (1:5,000,000)
How every number is computed: methodology. Spotted a wrong figure? Report an error.