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County ProfileWI

Polk County

Population: 44,977 · 12 ZIP codes

Demographics

Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.

People
Total population
44,977
People
Median age
46.7
Housing
Total households
19,542
Income
Median household income
$77,219
Housing
Total housing units
24,558
Employment
Employment rate
59%
Education
Bachelor’s degree or higher
24.3%
Healthcare
Insured population
93.8%
County details
Local time 01:49:09(CT)
NamePolk
Total ZIP codes12total
ZIP codes (by type)
12 Standard
Area code534, 715
TimezoneCentral Time (CT)
Coordinates45.4620407, -92.447066
Land area914.3 sq miles(2,368.1 km²)

Map of Polk county, Wisconsin with ZIP codes

Map of Polk County, Wisconsin and ZIP codes

Cities and Communities in Polk County

Compare the largest cities in Polk County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.

CityPopulation
Median incomeHousehold
ZIP codes
Amery2,962$59,2191ZIPs
Osceola2,765$53,3611ZIPs
Saint Croix Falls2,208$65,3001ZIPs
Frederic1,154$52,8001ZIPs
Clear Lake1,099$74,0001ZIPs
Luck1,093$68,6061ZIPs
Milltown948$42,0831ZIPs
Dresser935$80,1141ZIPs
Balsam Lake934$52,0111ZIPs
Centuria891$49,8211ZIPs
Cushing8241ZIPs
Clayton550$58,7501ZIPs

Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.

ZIP Codes in Polk County

Review the most populated postal areas across Polk County. Use the ranking below to compare resident density and demographic scales between the county's major zones.

ZIPCity
Median incomeHousehold
Population (ZIP)
54001Amery$80,3448,256
54020Osceola$74,7027,463
54024Saint Croix Falls$75,4174,916
54853Luck$75,0003,967
54837Frederic$71,0103,864
54005Clear Lake$87,8133,176
54009Dresser$89,8612,746
54810Balsam Lake$69,9172,461
54824Centuria$67,1482,271
54004Clayton$68,1822,249
54858Milltown$53,9011,493
54006Cushing$69,688824

Data Sources & Citations

The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:

  • United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
  • United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS