Market insights · South Dakota
Walworth County, SD: growth, migration and housing
Walworth County has 5,217 residents, down 1.4% since 2020 (-0.5% in the last year). In 2022–2023, 109 households moved in and 115 moved out (-6 net), bringing in a net $1.1M of income. Median household income is $65,026, the median home $136,600 and median rent $926 a month.
In South Dakota: 53rd of 66 counties for 5-year population growth · 23rd of 62 counties for net in-migration (per resident) · 51st of 66 counties for median household income · 50th of 66 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Walworth County, 2022–2023 (IRS).
The IRS publishes no county-level flows for Walworth County (it suppresses flows of fewer than 20 households).
Where leavers went
Top counties by households leaving Walworth County, 2022–2023 (IRS).
The IRS publishes no county-level flows for Walworth County (it suppresses flows of fewer than 20 households).
BizyFi in Walworth County
No companies in the BizyFi directory are based here yet. Search them on the company map (company names with a free account), or browse South Dakota companies.
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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.