Market insights · South Dakota
Aurora County, SD: growth, migration and housing
Aurora County has 2,801 residents, up 2.6% since 2020 (+0.4% in the last year). In 2022–2023, 44 households moved in and 49 moved out (-5 net), while a net $0.2M of income left. Median household income is $72,885, the median home $151,900 and median rent $747 a month.
In South Dakota: 22nd of 66 counties for 5-year population growth · 32nd of 62 counties for net in-migration (per resident) · 31st of 66 counties for median household income · 44th of 66 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Aurora County, 2022–2023 (IRS).
The IRS publishes no county-level flows for Aurora County (it suppresses flows of fewer than 20 households).
Where leavers went
Top counties by households leaving Aurora County, 2022–2023 (IRS).
The IRS publishes no county-level flows for Aurora County (it suppresses flows of fewer than 20 households).
BizyFi in Aurora 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.