Market insights · South Dakota
Pennington County, SD: growth, migration and housing
Pennington County has 116,792 residents, up 6.6% since 2020 (+0.4% in the last year). In 2022–2023, 5,030 households moved in and 4,568 moved out (+462 net), bringing in a net $78.2M of income. Median household income is $74,517, the median home $302,200 and median rent $1,120 a month.
In South Dakota: 10th of 66 counties for 5-year population growth · 7th of 62 counties for net in-migration (per resident) · 24th of 66 counties for median household income · 5th of 66 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Pennington County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Meade County, SD | 612 | $30.5M |
| Lawrence County, SD | 156 | $9.4M |
| Custer County, SD | 96 | $6.8M |
| Oglala Lakota County, SD | 93 | $1.8M |
| Maricopa County, AZ | 92 | $7.0M |
| Minnehaha County, SD | 89 | $5.6M |
| Fall River County, SD | 62 | $3.0M |
| Polk County, TX | 60 | $6.9M |
Where leavers went
Top counties by households leaving Pennington County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Meade County, SD | 564 | $32.6M |
| Minnehaha County, SD | 133 | $5.9M |
| Lawrence County, SD | 126 | $9.8M |
| Maricopa County, AZ | 114 | $9.0M |
| Custer County, SD | 93 | $6.6M |
| Oglala Lakota County, SD | 48 | $1.3M |
| Clark County, NV | 43 | $3.7M |
| Hennepin County, MN | 40 | $2.2M |
BizyFi in Pennington County
Fewer than 3 companies in the BizyFi directory are based here. Search them on the company map (company names with a free account), or browse South Dakota companies.
← All South Dakota counties · National rankings
Sources: U.S. Census Bureau population estimates (vintage 2025), American Community Survey 5-year (2024), and IRS Statistics of Income county-to-county migration data (2022–2023). Migration counts are tax returns (roughly households) moving between U.S. counties; the IRS suppresses very small flows. Growth rates, per-1,000 figures, rent share and state ranks are BizyFi calculations. Data updated 2026-10-17. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.