Polk County
Polk County has roughly average household income, with a median household income of $77,219. Population has held roughly steady since 2000. Median home value has more than doubled since 2000, reaching $271,900. With a median age of 46.7, the population is older than the US median of 38.9. It sits in the top 10% of US counties for household income.
Population & growth
PEP 2025 EST:45,803 residents (Census Bureau Vintage 2025, released March 2026)
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How many people live in Polk County, Wisconsin?
Polk County, Wisconsin has about 45,555 residents according to the 2024 American Community Survey.
What is the median household income in Polk County, Wisconsin?
The typical household in Polk County, Wisconsin earns about $77,219 a year. Half of households make more than that, and half make less.
Is Polk County, Wisconsin expensive?
In Polk County, Wisconsin, the median home is worth about $271,900, and the typical rent is about $957 a month.
How educated are people in Polk County, Wisconsin?
About 24.3% of adults age 25 and over in Polk County, Wisconsin hold a bachelor's degree or higher.
What is the poverty rate in Polk County, Wisconsin?
About 8.2% of people in Polk County, Wisconsin live below the federal poverty line.
Has Polk County, Wisconsin grown since 1990?
Yes, Polk County, Wisconsin has grown since 1990. The population has added about 10,782 residents, a change of about 31 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024