Sun Prairie, WI

Average · 103

Wisconsin · Population 36,455 · Updated March 2026

$1,374
Median Rent / Month
$90,521
Median Income
$339,800
Median Home Value
$1,524
Owner Costs / Month

Affordability

How far your income goes in Sun Prairie

18.2%
Rent-to-Income Ratio
Affordable
Rent takes less than 25% of median income — considered affordable by HUD standards.

Tax Burden in Wisconsin

State-level tax rates that affect your costs

7.65%
Income Tax (Top Rate)
5.0%
Sales Tax
1.61%
Property Tax Rate

Estimated Annual Costs

$16,488
Annual Rent
$6,925
State Income Tax
$5,471
Property Tax (est.)

Cost of Living Overview

Sun Prairie has a cost of living close to the national average, offering a balanced mix of expenses and amenities. With a cost index of 103 (where 100 equals the national median), Sun Prairie residents can expect to pay median rent of $1,374/month while earning a median household income of $90,521/year.

The median home value in Sun Prairie, WI is $339,800, with typical monthly owner costs around $1,524 including mortgage, insurance, and taxes. The median rent-to-income ratio of 18.2% means housing is relatively affordable here — well below the 30% threshold that HUD considers cost-burdened.

Wisconsin has a moderate income tax rate of 7.65%. Combined with a 5.0% sales tax rate and 1.61% effective property tax rate, the overall tax environment is a factor in the total cost of living in Sun Prairie.

Frequently Asked Questions

Common questions about living costs in Sun Prairie

What is the cost of living in Sun Prairie, WI?
The cost of living index in Sun Prairie, WI is 103 (US average = 100). Median monthly rent is $1,374, median household income is $90,521/year, and the median home value is $339,800.
Is Sun Prairie, WI affordable?
No, Sun Prairie is more expensive than the national average with a cost index of 103. The rent-to-income ratio is 18.2%—below the 30%% threshold considered affordable by HUD.
What is the average rent in Sun Prairie, WI?
The median gross rent in Sun Prairie, WI is $1,374 per month according to the US Census Bureau ACS 2023 data. Annual rent costs approximately $16,488.
What is the median household income in Sun Prairie?
The median household income in Sun Prairie, WI is $90,521 per year. This compares to the national median of approximately $80,000.
What are the taxes like in Wisconsin?
Wisconsin has a top income tax rate of 7.65%, a sales tax of 5.0%, and an effective property tax rate of 1.61%.