Cost of living in Sun Prairie, Wisconsin

Sun Prairie, Wisconsin has about 37,570 people. That count is a 2020–2024 Census average, not a headcount from one day.

A typical home is worth about $365,700.

HUD's fair-market rent for a 2-bedroom in Dane County is $1,565 a month. That is the county number, not an apartment listing in Sun Prairie. It runs from October 2026 through September 2027.

In the Madison, WI metro area, prices sit at 97.3 when the U.S. average is 100. That is a 2024 BEA index.

Wisconsin taxes wages. A typical combined sales tax is 5.7% as of January 1, 2026. That mix is statewide, not Sun Prairie's exact store tax.

In July 2026, a typical Wisconsin home paid 19.06¢ per kilowatt-hour. That is a state average from EIA, not Sun Prairie's bill.

EIA does not publish a Wisconsin gasoline price. For the week of October 12, 2026, the Midwest (PADD 2) all-grades price was $4.237 a gallon. At 12,000 miles a year and 25 mpg, the index counts that as $2,033.76 a year. Those miles are our standard, not a Census figure, and every town in Wisconsin shares this price.

Among 372 places we list in Wisconsin with a rent figure, 37 have higher typical rent than Sun Prairie.