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County · South Dakota
Pennington County
115,979Population
6.2 %Change since 2020
1,194Net migration
2.0 %Unemployment rate
Facts
- Population
- 115,979 (2024)
- Change since 2020
- 6.2 %
- Net migration
- 1,194 (2023)
- Unemployment rate
- 2.0 % (2025)
- State
- South Dakota
- Population base, April 2020
- 109,229 (2020)
- Births
- 1,395 (2023)
- Births per 1,000 residents, 2023
- 12.0
- Deaths
- 1,060 (2023)
- Deaths per 1,000 residents, 2023
- 9.1
- Natural change, 2023
- 335
- International migration
- 38 (2023)
- Domestic migration
- 1,156 (2023)
- Net migration per 1,000, 2023
- 10.3
- Postal code
- SD
- FIPS code
- 46103
Sources: US Census Bureau — Population Estimates, Bureau of Labor Statistics — LAUS
Unemployment rate, annual average
| Period | Value |
|---|---|
| 2025 | 2.0 % |
| 2024 | 1.8 % |
| 2023 | 1.8 % |
| 2022 | 1.9 % |
| 2021 | 2.7 % |
| 2020 | 4.8 % |
| 2019 | 2.8 % |
| 2018 | 2.8 % |
| 2017 | 3.1 % |
| 2016 | 3.1 % |
| 2015 | 3.1 % |
| 2014 | 3.3 % |
Population estimates, 2020–2024
| Period | Value |
|---|---|
| 2024 | 115,979 |
| 2023 | 115,834 |
| 2022 | 114,269 |
| 2021 | 111,903 |
| 2020 | 109,573 |