Polk County, Iowa
Polk County, Iowa, has 516,546 residents (July 2025 estimate). Its county seat is Des Moines. It uses Central Time and covers 573 sq mi (1,483 km²) of land.
- Resident population, July 2025
- 516,546
- Land area
- 573 sq mi (1,483 km²)
- County seat or government
- Des Moines
- Time zone
- Central TimeUTC-06:00 in January; UTC-05:00 in July
- Median household income
- $83,576 ± $1,283
- Median home value
- $262,100 ± $3,486
- Median rent, with utilities
- $1,149 ± $16
- Homes lived in by their owners
- 67.4% ± 0.8 points
- County type
- County
- Metro or micro area
- Des Moines-West Des Moines, IA metro areaCentral county
- Water area
- 19.2 sq mi (49.6 km²)
- State
- Iowa
- County code (FIPS)
- 19153
- Coordinates (central point)
- 41.684816, -93.568971
These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.
Time zones in Polk County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| Central TimeAmerica/Chicago | UTC-06:00 in January; UTC-05:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.
ZIP Code areas, largest first
- 5002346,306 people
- 5026637,523 people
- 5031736,548 people
- 5031534,816 people
- 5026533,488 people
- 5032231,931 people
- 5031031,177 people
- 5002130,283 people
- 5032024,807 people
- 5013124,583 people
- 5000922,886 people
- 5032519,012 people
All 42
- 5031317,440 people
- 5032317,265 people
- 5011116,865 people
- 5031616,710 people
- 5031215,802 people
- 5031114,574 people
- 5032713,177 people
- 5031410,438 people
- 5003510,131 people
- 5030910,110 people
- 503217,900 people
- 502267,759 people
- 500476,690 people
- 503245,143 people
- 501244,859 people
- 501564,575 people
- 501693,667 people
- 502373,635 people
- 501093,309 people
- 501612,296 people
- 500612,123 people
- 502282,120 people
- 502441,729 people
- 500461,554 people
- 500731,208 people
- 50168826 people
- 50032707 people
- 50007444 people
- 50243361 people
- 503190 people
42 ZIP Code areas overlap Polk County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.
Official county information
Polk County government website ↗ is the next stop for county offices, tax, voting, jury and records information. A geographic lookup cannot determine eligibility, tax liability or a court obligation.
Townships in Polk County, largest first
- Des Moines Township100,004 people
- Walnut Township69,695 people
- Crocker Township68,211 people
- Lee Township64,103 people
- Webster Township63,017 people
- Bloomfield Township33,841 people
- Clay Township23,327 people
- Jefferson Township14,527 people
- Douglas Township12,380 people
- Four Mile Township11,559 people
- Delaware Township10,261 people
- Saylor Township6,753 people
All 21
- Madison Township6,101 people
- Franklin Township5,485 people
- Allen Township4,226 people
- Beaver Township3,282 people
- Camp Township2,590 people
- Elkhart Township1,609 people
- Lincoln Township1,473 people
- Washington Township297 people
- Union Township296 people
People counts are American Community Survey 2020–2024 5-year estimates. All townships in Iowa, by county
School districts in Polk County, largest first
- Des Moines Independent Community School District209,522 people
- Ankeny Community School District76,759 people
- West Des Moines Community School District65,892 people
- Southeast Polk Community School District43,814 people
- Johnston Community School District41,124 people
- Urbandale Community School District20,794 people
- Dallas Center-Grimes Community School District15,294 people
- Bondurant-Farrar Community School District11,137 people
- Carlisle Community School District10,961 people
- North Polk Community School District9,460 people
- Saydel Community School District9,244 people
- Ballard Community School District8,516 people
All 16
- Woodward-Granger Community School District5,610 people
- PCM Community School District5,567 people
- Madrid Community School District3,925 people
- Collins-Maxwell Community School District3,287 people
Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.
Cities, towns and communities, largest first
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
- Des Moines, Iowa (city)212,421 people
- Ankeny, Iowa (city)72,615 people
- West Des Moines, Iowa (city)71,083 people
- Urbandale, Iowa (city)46,595 people
- Johnston, Iowa (city)24,384 people
- Altoona, Iowa (city)21,495 people
- Clive, Iowa (city)19,012 people
- Grimes, Iowa (city)16,366 people
- Norwalk, Iowa (city)14,183 people
- Pleasant Hill, Iowa (city)11,136 people
- Bondurant, Iowa (city)8,560 people
- Polk City, Iowa (city)6,037 people
All 21
- Windsor Heights, Iowa (city)5,143 people
- Carlisle, Iowa (city)4,255 people
- Saylorville, Iowa (CDP)3,366 people
- Mitchellville, Iowa (city)2,579 people
- Granger, Iowa (city)1,979 people
- Elkhart, Iowa (city)899 people
- Runnells, Iowa (city)440 people
- Alleman, Iowa (city)429 people
- Sheldahl, Iowa (city)361 people
Bordering areas, nearest first
Distances are straight lines between map points.
- Dallas County, Iowa24 mi west
- Warren County, Iowa24 mi south
- Story County, Iowa25 mi north
- Jasper County, Iowa27 mi east
- Boone County, Iowa31 mi northwest
- Madison County, Iowa34 mi southwest
- Marion County, Iowa35 mi southeast
Before using this answer on a form
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