County · Wisconsin
Polk County, Wisconsin
Polk County, Wisconsin. Polk County had 45,803 residents in 2025 by the Census Bureau's estimate, up 1.8% since 2020, faster than Wisconsin (+1.3%). It holds 37 places (12 cities, villages and boroughs, 24 towns and townships and 1 census-designated) and 14 census tracts. GEOID 55095.
Residents, July 2025 estimate
45,803
Census Bureau estimate (no margin published)
2020 Census count: 44,977 · ACS 2020-2024: 45,555
Median household income
$77,219
±$2,446 (90% margin)
Wisconsin: $77,485
Median home value
$271,900
±$7,974 (90% margin)
Wisconsin: $266,500
Median gross rent
$957
±$45 (90% margin)
Wisconsin: $1,087
How many people live in Polk County, and is it growing?
The 2020 Census counted 44,977 residents in Polk County. The Census Bureau estimates 45,803 for July 1, 2025, up 1.8% since 2020, faster than Wisconsin (+1.3%). The 2020-2024 American Community Survey puts the population at 45,555 over 914 square miles of land.
| Measure | Polk County | Wisconsin | Change since 2015-2019 |
|---|---|---|---|
| Total population | 45,555 | 5,914,872 | +2,117 |
| Households | 19,542±239 | 2,479,480 | +1,092 |
| Average household size | 2.31±0.03 | 2.33 | no clear change |
| Housing units | 24,558±69 | 2,778,572 | no clear change |
Polk County's population since 2000
From 41,319 in 2000 to 45,803 in 2025: up 10.9%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov
What cities and towns are in Polk County?
Polk County holds 37 places: 12 cities, villages and boroughs (incorporated places), 24 towns and townships (county subdivisions with their own government) and 1 census-designated place. The largest is Town of Osceola, Polk County with 3,125 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov
Who lives in Polk County?
The median resident of Polk County is 46.7 years old; 19.9% are under 18 and 22.6% are 65 or older. The largest group is non-Hispanic white residents at 93.0%, then non-Hispanic residents of two or more races at 3.4%. 1.2% of residents were born outside the United States.
| Measure | Polk County | Wisconsin | Change since 2015-2019 |
|---|---|---|---|
| Median age | 46.7±0.2 | 40.2 | +1.1 |
| Under 18 years | 19.9% | 21.4% | – |
| 65 years and over | 22.6%±0.1 pts | 18.5% | – |
| Hispanic or Latino (any race) | 2.2% | 8.0% | +0.3 pts |
| White alone, not Hispanic | 93.0%±0.5 pts | 78.6% | −2.0 pts |
| Black or African American alone, not Hispanic | 0.2%±0.1 pts | 5.9% | −0.2 pts |
| Asian alone, not Hispanic | 0.5%±0.1 pts | 2.9% | no clear change |
| American Indian and Alaska Native alone, not Hispanic | 0.4%±0.1 pts | 0.5% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.1 pts | 0.0% | – |
| Two or more races, not Hispanic | 3.4%±0.5 pts | 3.7% | – |
| Some other race alone, not Hispanic | 0.3%±0.1 pts | 0.3% | – |
| Born outside the United States | 1.2%±0.2 pts | 5.2% | no clear change |
| Speak a language other than English at home (age 5+) | 2.1%±0.3 pts | 9.0% | – |
| Civilian veterans (age 18+) | 7.8%±0.5 pts | 6.2% | – |
| With a disability | 13.4%±0.8 pts | 12.3% | – |
| No health insurance coverage | 6.2%±0.9 pts | 5.2% | no clear change |
| High school graduate or higher (age 25+) | 94.1%±0.7 pts | 93.6% | – |
| Bachelor's degree or higher (age 25+) | 24.3%±1.3 pts | 33.4% | +3.4 pts |
| Graduate or professional degree (age 25+) | 7.1%±0.7 pts | 11.4% | – |
| Moved from another state in the past year | 2.4%±0.6 pts | 2.0% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Polk County earn?
Half of Polk County's 19,542 households earn less than $77,219 a year (±$2,446), against $77,485 in Wisconsin. In 2015-2019 the median was $73,834 in 2024 dollars, so it rose by $3,385 after inflation. 8.2% of residents live below the poverty line.
| Measure | Polk County | Wisconsin | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $77,219±$2,446 | $77,485 | +$3,385 |
| Mean household income | $94,913±$2,328 | $101,466 | – |
| Per capita income | $41,288±$943 | $43,373 | +$3,310 |
| People below the poverty line | 8.2%±0.9 pts | 10.6% | no clear change |
| Children under 18 below the poverty line | 10.7%±2.5 pts | 12.8% | no clear change |
| Households receiving SNAP | 9.7%±0.9 pts | 11.1% | – |
| Households with a broadband subscription | 88.3%±1.1 pts | 90.3% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Polk County?
Owners occupy 81.0% of Polk County's occupied homes and renters 19.0%. The median owner-occupied home is valued at $271,900 by its owner (±$7,974). The median renter pays $957 a month including utilities, and 28.5% of renters pay 35% or more of their income on rent.
| Measure | Polk County | Wisconsin | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $271,900±$7,974 | $266,500 | +$63,051 |
| Median gross rent | $957±$45 | $1,087 | no clear change |
| Renters paying 35% or more of income on rent | 28.5%±4.7 pts | 35.0% | no clear change |
| Median monthly owner costs, with a mortgage | $1,604±$37 | $1,689 | – |
| Owner-occupied homes | 81.0%±1.5 pts | 67.8% | +2.1 pts |
| Housing units | 24,558±69 | 2,778,572 | no clear change |
| Homeowner vacancy rate | 0.5%±0.2 pts | 0.5% | – |
| Rental vacancy rate | 6.4%±3.7 pts | 4.5% | – |
| Single-family detached homes | 81.0%±1.4 pts | 66.2% | – |
| Mobile homes | 6.8%±0.9 pts | 3.1% | – |
| Built 2020 or later | 1.5%±0.3 pts | 1.4% | – |
| Built 1939 or earlier | 13.2%±1.1 pts | 17.8% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Polk County building?
Builders took permits for 243 new housing units across Polk County in 2025 (243 single-family), 5.3 per 1,000 residents.
Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Polk County get to work?
77.3% of Polk County's workers drive alone and 11.8% work from home. The average trip to work takes 29.8 minutes. The unemployment rate in 2020-2024 averaged 3.4%.
| Measure | Polk County | Wisconsin | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 61.1%±0.9 pts | 65.3% | – |
| Unemployment rate | 3.4%±0.6 pts | 3.2% | no clear change |
| Drove alone to work | 77.3%±1.5 pts | 74.4% | – |
| Carpooled | 7.6%±0.8 pts | 7.3% | – |
| Public transportation | 0.0%±0.1 pts | 1.1% | – |
| Walked | 2.1%±0.4 pts | 2.6% | – |
| Worked from home | 11.8%±1.2 pts | 13.1% | +6.6 pts |
| Mean travel time to work | 29.8 min±1.3 | 22.2 min | no clear change |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What are Polk County's census tracts?
Polk County is divided into 14 census tracts. Among those with a reliable estimate, median household income runs from $54,745 (Tract 9603.02) to $98,497 (Tract 9609.02).
| Tract 960155095960100 | 3,786±216 | $68,833 |
|---|---|---|
| Tract 960255095960200 | 3,715±265 | $75,000 |
| Tract 9603.0155095960301 | 1,666±180 | $88,373 |
| Tract 9603.0255095960302 | 2,295±212 | $54,745 |
| Tract 9603.0355095960303 | 1,415±192 | $92,143 |
| Tract 960555095960500 | 2,891±236 | $76,081 |
| Tract 960655095960600 | 2,316±227 | $73,438 |
| Tract 9607.0155095960701 | 3,728±299 | $66,309 |
| Tract 9607.0255095960702 | 2,197±203 | $68,750 |
| Tract 960855095960800 | 7,001±376 | $73,828 |
| Tract 9609.0155095960901 | 3,093±258 | $95,060 |
| Tract 9609.0255095960902 | 2,527±142 | $98,497 |
| Tract 961055095961000 | 5,071±346 | $78,146 |
| Tract 961155095961100 | 3,854±226 | $81,029 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Polk County compare with Wisconsin's other counties?
| Measure | Rank |
|---|---|
| Population | 32nd of 72 |
| Growth 2020-2025 | 26th of 72 |
| Residents per square mile | 37th of 72 |
| Median household income | 20th of 72 |
| Median home value | 13th of 72 |
| Median gross rent | 27th of 72 |
| Poverty rate | 57th of 72 |
| Bachelor's degree or higher | 39th of 72 |
| Median age | 21st of 72 |
Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Polk County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.