Pennington County, South Dakota
Pennington County, South Dakota · ZIP 57701, 57702, 57703
- Census data · ACS 2019-2023
- 115,979 (2024 estimate)Population
- 45,698Households
- $70,768Median household income
- $270,400Median home value
- 34Towns with a page
- 17ZIP codes
Pennington County in numbersOfficial sources, refreshed yearly
| Census | Population |
|---|---|
| 2000 | 88,565 |
| 2010 | 100,948 |
| 2020 | 109,222 |
As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.
Sources: Census 2000 Summary File 1: total population, county level, state 46, retrieved November 14, 2026; Census 2010 Summary File 1: total population, county level, state 46, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, county level, state 46, retrieved November 14, 2026.
Median household income $70,768 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.
Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, county level, state 46, retrieved November 14, 2026.
- Owner occupied
- 31,568 units
- Renter occupied
- 14,130 units
- Vacancy rate
- 9.8%
Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.
Source: American Community Survey 5-year data profile 2019–2023, county level, state 46, retrieved November 14, 2026.
52,402 employees in 4,137 establishments with payroll in 2023, all sectors; employers themselves are not named in the source. County Business Patterns counts are published with noise.
Source: County Business Patterns 2023: employment by sector, county level, state 46, retrieved November 14, 2026.
| Measure | Pennington County | South Dakota |
|---|---|---|
| Population | 112,081 | 899,194 |
| Median household income | $70,768 | $72,421 |
| Median age | 39.7 | 37.7 |
| Median home value | $270,400 | $236,800 |
| Bachelor’s degree or higher | 34.1% | 31.1% |
| Foreign-born residents | 2.2% | 3.9% |
| Owner-occupied homes | 69.1% | 68.6% |
| Mean commute to work | 18.7 minutes | 17.6 minutes |
Source: American Community Survey 5-year data profile 2019–2023, county level, state 46, retrieved November 14, 2026.
Townships, towns and villages in Pennington County34 with a page · sort by any column
| Type | |||
|---|---|---|---|
| Rapid City | City | 79,894 | 56.0 sq mi |
| Box Elder | City | 13,887 | 14.9 sq mi |
| Rapid Valley | Census designated place | 7,153 | 6.41 sq mi |
| Colonial Pine Hills | Census designated place | 2,347 | 15.3 sq mi |
| Green Valley | Census designated place | 1,503 | 3.84 sq mi |
| Ashland Heights | Census designated place | 1,142 | 2.91 sq mi |
| Hill City | City | 937 | 1.31 sq mi |
| Wall | Town | 672 | 2.63 sq mi |
| Johnson Siding | Census designated place | 671 | 3.73 sq mi |
| New Underwood | City | 610 | 1.66 sq mi |
| Keystone | Town | 261 | 3.00 sq mi |
| Fairview Township | Township | 71 | 34.4 sq mi |
| Wasta | Town | 63 | 0.19 sq mi |
| Quinn | Town | 61 | 1.20 sq mi |
| Scenic Township | Township | 55 | 134.1 sq mi |
| Cedar Butte Township | Township | 43 | 35.4 sq mi |
| Lake Hill Township | Township | 42 | 35.1 sq mi |
| Lake Creek Township | Township | 40 | 35.9 sq mi |
| Huron Township | Township | 34 | 35.6 sq mi |
| Wasta Township | Township | 33 | 35.8 sq mi |
| Lake Flat Township | Township | 32 | 34.4 sq mi |
| Peno Township | Township | 32 | 35.8 sq mi |
| Owanka Township | Township | 31 | 50.7 sq mi |
| Caputa | Census designated place | 29 | 0.29 sq mi |
| Castle Butte Township | Township | 29 | 51.0 sq mi |
| Crooked Creek Township | Township | 24 | 71.1 sq mi |
| Ash Township | Township | 20 | 43.8 sq mi |
| Rainy Creek/Cheyenne Township | Township | 19 | 91.3 sq mi |
| Sunnyside Township | Township | 14 | 38.9 sq mi |
| Quinn Township | Township | 11 | 34.3 sq mi |
| Shyne Township | Township | 11 | 26.9 sq mi |
| Conata Township | Township | 9 | 89.4 sq mi |
| Imlay Township | Township | 9 | 110.4 sq mi |
| Flat Butte Township | Township | 7 | 35.5 sq mi |
Populations: Census Population Estimates, Vintage 2024: subcounty totals, state 46 (2024). Land areas: Census Gazetteer 2025: counties. A dash means the figure is not in the cited file.
County officialsFrom public records
No county official is published yet. Names appear once a researcher drafts them from the county’s own site and a second person approves; office contacts only, never personal details.
Across Pennington County
No job is posted in Pennington County’s towns yet. Employers post from their business dashboard; public job banks are added once their terms are recorded.
No upcoming event is listed in Pennington County's towns yet. Members and businesses add events from any town page.
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Neighboring counties
Neighboring counties
- Custer CountyPopulation 9,330 (2024 estimate)
- Haakon CountyPopulation 1,834 (2024 estimate)
- Jackson CountyPopulation 2,737 (2024 estimate)
- Lawrence CountyPopulation 28,809 (2024 estimate)
- Meade CountyPopulation 30,918 (2024 estimate)
- Oglala Lakota CountyPopulation 13,360 (2024 estimate)
- Weston CountyPopulation 6,866 (2024 estimate)
Sources: Census county adjacency file 2024, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 46, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 56, retrieved November 14, 2026.