Polk County, Minnesota

Browse all ZIP codes in Polk County, Minnesota. Each ZIP code page includes population, median household income, and a map of the area.

County Statistics

Total Population 30,749
Median Household Income $69,952
Median Age 39.5
Unemployment Rate 3.7%
Poverty Rate 12.0%
ZIP Codes 15

Largest ZIP Codes in Polk County

ZIP Code City Population Median Income
56721East Grand Forks10,905$86,875
56716Crookston9,048$54,521
56542Fosston2,434$54,205
56540Fertile1,916$77,188
56556Mcintosh1,303$61,333

Demographics

Race & Ethnicity

Gender

Education Level (adults 25+)

All ZIP Codes in Polk County