Property tax rate
1.44%Above state avg 1.42%Median bill $3,492/yr · CensusMedian rent
$9402-bed $971Per month · CensusDays on market
52 days▲ 8 days vs last yearSeptember 2026 · Realtor.comWhat the numbers say
Portage County, WI real estate at a glance
By AstroCore · Realtor.com, US Census and Freddie Mac data
In September 2026, the median home in Portage County listed for $344,950, down 10.4% from a year earlier. That is 12% below the Wisconsin median of $389,900.
Homes spent a median of 52 days on the market, slower than 44 days a year ago. That makes Portage County the #23 fastest-selling of 29 Wisconsin counties we track.
Homeowners in Portage County pay a median of $3,492 a year in property taxes on a median home value of $243,100, an effective rate of about 1.44%. The Wisconsin average is 1.42%, which makes Portage County the #50 lowest-tax of 72 counties in the state with published tax data.
Renters pay a median of $940 a month, and $971 for a two-bedroom. At today's prices a typical home costs about 31 times a year's rent, which generally favors renting over buying in the short term.
With 20% down and today's 7.24% average 30-year rate, the monthly payment on a $345,000 home here comes to about $2,437 including property tax and insurance. Lenders typically want that to be under 28% of income, which works out to roughly $104,000 a year (the median household here earns $76,070).
Monthly payment on a typical home
$2,437/mo- Principal & interest$1,881
- Property tax$413
- Insurance (est.)$144
$345,000 home · 20% down · 7.24% 30-year fixed
Run your own numbersRents in Portage County by bedrooms
Median gross rent (rent plus utilities), US Census American Community Survey 2024 5-year estimates.
Other Wisconsin counties
- Adams County
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- Sheboygan County
- St. Croix County
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- Trempealeau County
- Vernon County
- Vilas County
- Walworth County
- Washburn County
- Washington County
- Waukesha County
- Waupaca County
- Waushara County
- Winnebago County
- Wood County
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Sources: Realtor.com housing inventory (monthly) and Freddie Mac Primary Mortgage Market Survey (weekly), via FRED, Federal Reserve Bank of St. Louis; US Census Bureau American Community Survey 5-year estimates (property taxes, home values, rents, income). Insurance is an estimate. Medians for the whole county; individual homes vary. For information only.