Back مقاطعة بولك (آيوا) Arabic پولک بؤلگهسی، ایووا AZB Polk County, Iowa BAR Полк (окръг, Айова) Bulgarian পোল্ক কাউন্টি, আইৱা BPY Comtat de Polk Catalan Polk Gông (Iowa) CDO Полк (гуо, Айова) CE Polk County (kondado sa Tinipong Bansa, Iowa) CEB Polk County, Iowa Welsh
Polk County | |
|---|---|
 Polk County Courthouse | |
 Flag  Seal | |
 Location within the U.S. state of Iowa | |
 Iowa's location within the U.S. | |
| Coordinates: 41°41′5.338″N 93°34′8.295″W / 41.68481611°N 93.56897083°W | |
| Country |  United States |
| State |  Iowa |
| Founded | January 13, 1846 |
| Named after | James K. Polk |
| Seat | Des Moines |
| Largest city | Des Moines |
| Area | |
• Total | 591.888 sq mi (1,532.98 km2) |
| • Land | 572.720 sq mi (1,483.34 km2) |
| • Water | 019.168 sq mi (49.64 km2) 3.0% |
| Population (2020) | |
• Total | 492,401 |
• Estimate (2023) | 505,255  |
| • Density | 882.927/sq mi (340.900/km2) |
| Time zone | UTC−6 (Central) |
| • Summer (DST) | UTC−5 (CDT) |
| Congressional district | 3rd |
| Website | polkcountyiowa.gov |
Polk County is located in the U.S. state of Iowa. As of the 2020 census, the population was 492,401.[1] making it the most populous county in Iowa, and was estimated to be 505,255 in 2023.[2] It is home to over 15% of the state's residents. The county seat is Des Moines,[3] which is also the capital city of Iowa. Polk County is included in the Des Moines–West Des Moines, IA Metropolitan Statistical Area.[4]
- ^ "Explore Census Data". United States Census Bureau. Retrieved February 27, 2025.
- ^ Cite error: The named reference
QFwas invoked but never defined (see the help page). - ^ "Find a County". National Association of Counties. Archived from the original on March 2, 2011. Retrieved June 7, 2011.
- ^ "Update of Statistical Area Definitions and Guidance on Their Uses" (PDF). Office of Management and Budget. pp. 5, 36. Archived from the original (PDF) on May 14, 2006. Retrieved July 21, 2006.
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