Market insights · Wisconsin
Marathon County, WI: growth, migration and housing
Marathon County has 139,432 residents, up 0.9% since 2020 (+0.2% in the last year). In 2022–2023, 2,723 households moved in and 2,902 moved out (-179 net), while a net $23.0M of income left. Median household income is $77,884, the median home $219,600 and median rent $999 a month.
In Wisconsin: 41st of 72 counties for 5-year population growth · 59th of 72 counties for net in-migration (per resident) · 19th of 72 counties for median household income · 40th of 72 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Marathon County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Wood County, WI | 249 | $14.9M |
| Lincoln County, WI | 187 | $9.8M |
| Portage County, WI | 166 | $10.7M |
| Clark County, WI | 120 | $5.9M |
| Dane County, WI | 102 | $6.4M |
| Shawano County, WI | 87 | $4.8M |
| Milwaukee County, WI | 83 | $4.4M |
| Oneida County, WI | 83 | $4.9M |
Where leavers went
Top counties by households leaving Marathon County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Wood County, WI | 253 | $13.9M |
| Lincoln County, WI | 198 | $10.5M |
| Portage County, WI | 194 | $9.3M |
| Dane County, WI | 135 | $8.9M |
| Clark County, WI | 131 | $7.0M |
| Milwaukee County, WI | 86 | $3.9M |
| Shawano County, WI | 84 | $4.1M |
| Brown County, WI | 77 | $4.5M |
BizyFi in Marathon County
Fewer than 3 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.