Market insights · Wisconsin
Waukesha County, WI: growth, migration and housing
Waukesha County has 417,210 residents, up 2.4% since 2020 (+0.3% in the last year). In 2022–2023, 10,950 households moved in and 10,608 moved out (+342 net), while a net $8.9M of income left. Median household income is $106,076, the median home $398,200 and median rent $1,356 a month.
In Wisconsin: 21st of 72 counties for 5-year population growth · 22nd of 72 counties for net in-migration (per resident) · 1st of 72 counties for median household income · 1st of 72 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Waukesha County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Milwaukee County, WI | 4,553 | $401.4M |
| Washington County, WI | 590 | $47.5M |
| Racine County, WI | 347 | $26.7M |
| Dane County, WI | 342 | $31.1M |
| Jefferson County, WI | 332 | $21.4M |
| Walworth County, WI | 289 | $19.8M |
| Cook County, IL | 208 | $24.1M |
| Ozaukee County, WI | 196 | $21.5M |
Where leavers went
Top counties by households leaving Waukesha County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Milwaukee County, WI | 3,292 | $243.9M |
| Washington County, WI | 709 | $72.1M |
| Dane County, WI | 399 | $27.9M |
| Jefferson County, WI | 355 | $26.0M |
| Walworth County, WI | 302 | $29.3M |
| Racine County, WI | 283 | $26.0M |
| Cook County, IL | 258 | $17.3M |
| Dodge County, WI | 224 | $30.1M |
BizyFi in Waukesha County
8 companies in the BizyFi directory are based here. Search them on the company map (company names with a free account), or browse Wisconsin 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.