Market insights · Wisconsin
Grant County, WI: growth, migration and housing
Grant County has 52,446 residents, up 0.9% since 2020 (+0.1% in the last year). In 2022–2023, 1,069 households moved in and 1,152 moved out (-83 net), while a net $10.9M of income left. Median household income is $66,858, the median home $200,700 and median rent $813 a month.
In Wisconsin: 42nd of 72 counties for 5-year population growth · 60th of 72 counties for net in-migration (per resident) · 53rd of 72 counties for median household income · 52nd of 72 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Grant County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Dane County, WI | 97 | $5.2M |
| Lafayette County, WI | 88 | $4.7M |
| Iowa County, WI | 85 | $4.4M |
| Dubuque County, IA | 78 | $4.9M |
| Crawford County, WI | 60 | $3.0M |
| Richland County, WI | 56 | $2.4M |
| Jo Daviess County, IL | 39 | $2.0M |
| Sauk County, WI | 21 | $0.6M |
Where leavers went
Top counties by households leaving Grant County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Dane County, WI | 141 | $7.4M |
| Dubuque County, IA | 108 | $6.3M |
| Lafayette County, WI | 108 | $5.9M |
| Iowa County, WI | 86 | $3.8M |
| Richland County, WI | 51 | $3.5M |
| Crawford County, WI | 50 | $2.1M |
| Jo Daviess County, IL | 31 | $1.7M |
| La Crosse County, WI | 28 | $1.5M |
BizyFi in Grant 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.