Market insights · Wisconsin
Jefferson County, WI: growth, migration and housing
Jefferson County has 86,505 residents, up 0.3% since 2020 (-0.0% in the last year). In 2022–2023, 2,417 households moved in and 2,379 moved out (+38 net), while a net $1.4M of income left. Median household income is $83,750, the median home $274,100 and median rent $1,035 a month.
In Wisconsin: 52nd of 72 counties for 5-year population growth · 34th of 72 counties for net in-migration (per resident) · 10th of 72 counties for median household income · 12th of 72 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Jefferson County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Dane County, WI | 431 | $24.5M |
| Waukesha County, WI | 355 | $26.0M |
| Dodge County, WI | 268 | $12.9M |
| Walworth County, WI | 178 | $8.2M |
| Rock County, WI | 133 | $8.1M |
| Milwaukee County, WI | 128 | $7.0M |
| Columbia County, WI | 32 | $2.0M |
| Cook County, IL | 29 | $2.7M |
Where leavers went
Top counties by households leaving Jefferson County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Dane County, WI | 388 | $21.8M |
| Waukesha County, WI | 332 | $21.4M |
| Dodge County, WI | 268 | $13.6M |
| Rock County, WI | 194 | $10.6M |
| Walworth County, WI | 141 | $7.0M |
| Milwaukee County, WI | 114 | $5.9M |
| Columbia County, WI | 38 | $1.8M |
| Washington County, WI | 36 | $2.1M |
BizyFi in Jefferson 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.