- county
- FIPS 27133
- Largest town: Luverne
Rock County, Minnesota
Rock County had 9,525 residents in the Census Vintage 2024 estimate, on 482.5 square miles of land. It ranks 70th of 87 in Minnesota by population and 70th by land area.
- Population
- 9,525
- #70 of 87 in Minnesota · #2,446 in US
- Area
- 482.5 sq mi
- #70 of 87 in Minnesota · #2,150 in US
- Density
- 20 / sq mi
- #54 of 87 in Minnesota · #2,257 in US
- Median household income
- $71,923
- #40 of 87 in Minnesota · #861 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 9,525 residents in the Census Vintage 2024 estimate, on 482.5 square miles of land. It ranks 70th of 87 in Minnesota by population and 70th by land area. That works out to 19.7 people per square mile, below the US average of 96.3, and below the national county median.
The median county-equivalent in Minnesota has 22,050 residents, so Rock County has 43% of the typical county's population.
Its SAIPE 2023 median household income of $71,923 is above the national county median among 3,143 counties with an estimate.
National rank among 3,144
Population
9,525
2446th of 3,144 (US)
Land area
482 sq mi
2150th of 3,144 (US)
Density
19.7 / sq mi
2257th of 3,144 (US)
Median household income
$71,923
861st of 3,143 (US)
Rank within Minnesota (87)
Population
9,525
70th of 87 (MN)
Land area
482 sq mi
70th of 87 (MN)
Density
19.7 / sq mi
54th of 87 (MN)
Median household income
$71,923
40th of 87 (MN)
How Rock County's population changed since 2020
Rock County lost 162 residents between the July 2020 and July 2024 estimates, a drop of 1.7%. That ranks 70th of 87 in Minnesota for growth. The median Minnesota county changed by +0.6%, and the state as a whole by +1.4%.
Since the April 2020 estimates base, Rock County recorded 351 births and 501 deaths, a natural change of -150. Net international migration added +12 and net domestic migration, people moving to or from other US counties, came to -48. The largest single component was natural change, which removed 150 people.
Components of change, April 2020 to July 2024
- Births
- 351
- Deaths
- 501
- Net international migration
- +12
- Net domestic migration
- -48
- Change, July 2023 to July 2024
- -76
Where Rock County is
The Census internal point of Rock County is at 43.669600, -96.263200. It sits in UTM zone 14N. The map shades Minnesota's 87 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.
- < -1.7%
- < -0.3%
- < +1.2%
- < +2.8%
- ≥ +2.8%
Orange pin: Rock County internal point. Dark pin: Saint Paul.
Internal point
- Decimal
- 43.669600, -96.263200
- DMS
- 43°40'10.56"N 96°15'47.52"W
- UTM
- 14N 720638.5E 4838817.1N
- Geohash
- 9zg83mz3b
- Plus code
- 86M5MP9P+RP
Towns in Rock County
One incorporated place of 1,000+ people has residents in Rock County, 4,941 people together, or 52% of the county. Each figure counts only the part of the town inside Rock County; towns marked "part" extend into another county. The largest is Luverne with 4,941.
- 01Luverne4,941
Counties bordering Rock County
The Census 2024 county adjacency file lists 6 neighbors for Rock County, including 3 across a state line. The most populous is Minnehaha County, SD, with 208,639 residents. Distances run between Census internal points in a straight line.
Distance to Saint Paul and the nearest big city
Saint Paul is 179.7 miles ENE 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), 25.1 miles away. The nearest place of 10,000 or more is Brandon, SD (population 10,837), 16.9 miles away.
Rock County FIPS code
The FIPS code of Rock County is 27133: state code 27 for Minnesota plus county code 133. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $71,923.
Questions people ask
What is the population of Rock County, Minnesota?
The Census Vintage 2024 estimate for July 1, 2024 is 9,525. That is down 162 people (1.7%) from the July 2020 estimate of 9,687.
What is the FIPS code of Rock County?
27133. The first two digits (27) are Minnesota; the last three (133) identify the county.
What is the largest town in Rock County?
Luverne, with 4,941 residents inside Rock County in 2024.
Which counties border Rock County?
6 county-equivalents border it in the Census 2024 adjacency file: Minnehaha County, SD; Nobles County, MN; Lyon County, IA; Pipestone County, MN; Murray County, MN; Moody County, SD.
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.