Market insights · Wisconsin
Green Lake County, WI: growth, migration and housing
Green Lake County has 19,305 residents, up 1.5% since 2020 (-0.1% in the last year). In 2022–2023, 567 households moved in and 614 moved out (-47 net), while a net $1.5M of income left. Median household income is $68,196, the median home $215,400 and median rent $818 a month.
In Wisconsin: 33rd of 72 counties for 5-year population growth · 67th of 72 counties for net in-migration (per resident) · 46th of 72 counties for median household income · 43rd of 72 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Green Lake County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Fond du Lac County, WI | 90 | $4.8M |
| Winnebago County, WI | 65 | $3.2M |
| Waushara County, WI | 53 | $2.1M |
| Marquette County, WI | 27 | $1.0M |
| Columbia County, WI | 26 | $1.1M |
| Dodge County, WI | 25 | $1.7M |
| Dane County, WI | 24 | $1.2M |
Where leavers went
Top counties by households leaving Green Lake County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Winnebago County, WI | 99 | $5.5M |
| Fond du Lac County, WI | 81 | $4.3M |
| Waushara County, WI | 60 | $3.0M |
| Dodge County, WI | 35 | $1.5M |
| Marquette County, WI | 27 | $1.6M |
| Milwaukee County, WI | 22 | $2.2M |
| Columbia County, WI | 20 | $1.0M |
BizyFi in Green Lake 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.