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Polk County
countyPolk County, Iowa
Overview
- Classification
- County
- FIPS Code
- 19153
- Country
- United States
- County
- County
Geography
- Region
- South Central Iowa
- Total Area
- 592 sq mi
- Land Area
- 574 sq mi
- Water Area
- 18 sq mi
- Latitude
- 41.685
- Longitude
- -93.5703
- Climate
- No specific climate summary found in the search results.
- Notable Features
- Des Moines River bisects the county · Saylorville Lake
- Neighboring Areas
- Boone County · Dallas County · Jasper County · Madison County · Marion County · Story County · Warren County
Demographics
- Population (2020)
- 492,401
- Est. Population (2024)
- 516,185
- Median Age
- 36.2
- Median Income
- $81,621
- Poverty Rate
- 10.1%
- Family Households
- 61.4%
- Owner-Occupied
- 67.1%
- Racial & Ethnic Composition
- White (74.1%), Black or African American (7.38%), Asian (4.9%), White (Hispanic) (3.7%), and Other (Hispanic) (2.88%)
U.S. Congress
Recreation
- Outdoor Access
- Yes
- Major Recreation Areas
- Jester Park · Easter Lake Park · Chichaqua Bottoms Greenbelt
- Parks & Trails
- Polk County Parks · Polk County Trails
History
- Founded
- 1846
- Named After
- James K. Polk, 11th U.S. President
- Historical Significance
- Most populous county in Iowa; contains the state capital, Des Moines
- Key Events
- Established January 13, 1846 · Organized March 1, 1846 · First courthouse built in Des Moines in 1846