Market insights · South Dakota
Codington County, SD: growth, migration and housing
Codington County has 29,562 residents, up 4.3% since 2020 (+1.0% in the last year). In 2022–2023, 760 households moved in and 685 moved out (+75 net), bringing in a net $11.3M of income. Median household income is $72,727, the median home $237,700 and median rent $938 a month.
In South Dakota: 15th of 66 counties for 5-year population growth · 10th of 62 counties for net in-migration (per resident) · 33rd of 66 counties for median household income · 12th of 66 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Codington County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Minnehaha County, SD | 55 | $3.5M |
| Hamlin County, SD | 46 | $2.6M |
| Brown County, SD | 36 | $1.5M |
| Grant County, SD | 30 | $2.2M |
| Brookings County, SD | 26 | $1.1M |
| Deuel County, SD | 25 | $1.5M |
| Lincoln County, SD | 23 | $1.5M |
| Clark County, SD | 22 | $0.8M |
Where leavers went
Top counties by households leaving Codington County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Minnehaha County, SD | 81 | $4.4M |
| Brookings County, SD | 46 | $2.1M |
| Lincoln County, SD | 38 | $2.4M |
| Hamlin County, SD | 27 | $1.7M |
| Brown County, SD | 25 | $1.0M |
| Deuel County, SD | 25 | $1.1M |
| Grant County, SD | 21 | $1.1M |
BizyFi in Codington County
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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.