Jefferson County, Wisconsin has a 2026 one-unit conforming loan limit of $832,750, which is 3.0 times the county's median home value of $274,100, so a typical home there can be financed with a conforming (non-jumbo) loan; median household income is $83,750 (FHFA; Census ACS 2020–2024).
Data as of 2026. Source: FHFA 2026 conforming loan limits; U.S. Census Bureau ACS 2020–2024
| Item | Value |
|---|---|
| 1-unit limit (2026) | $832,750 |
| 2-unit limit | $1,066,250 |
| 3-unit limit | $1,288,800 |
| 4-unit limit | $1,601,750 |
| Median home value (ACS 2020–24) | $274,100 |
| Wisconsin median home value | $266,500 |
| Limit ÷ median home value | 3.04× |
| Median household income | $83,750 |
| Median home value ÷ income | 3.3× |
| Population | 86,003 |
| Median property tax paid (owners) | $4,005 |
| Effective property tax rate (approx.) | 1.46% |
| Owner-occupied homes | 73.1% |
| Home value rank in Wisconsin | 12 of 72 counties |
| Neighbor: Dane County, WI | limit $832,750; median home $394,800 |
| Neighbor: Dodge County, WI | limit $832,750; median home $231,900 |
| Neighbor: Rock County, WI | limit $832,750; median home $231,600 |
| Neighbor: Walworth County, WI | limit $832,750; median home $302,700 |
| Neighbor: Waukesha County, WI | limit $832,750; median home $398,200 |
Across Wisconsin's 72 counties, FHFA's 2026 one-unit limits are $832,750 everywhere. Jefferson County's median home value is 3% above the state median of $266,500 (rank 12 of 72). Among its 5 neighboring counties, Waukesha County has the highest median home value ($398,200) and Rock County the lowest ($231,600); all share the same loan limit. Owners pay a median $4,005 a year in property tax, an effective rate of about 1.46% of home value.
County data: U.S. Census Bureau, American Community Survey 5-year estimates 2020–2024 (tables B25077, B19013, B01003, B25103, B25003). Neighbors: Census county adjacency file.
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Last updated 2026-10-16. Data only, not financial or tax advice.
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