Polk County, Iowa

Polk County
County
Polk County Courthouse
Flag
Location within the U.S. state of Iowa
Iowa's location within the U.S.
Coordinates: 41°41′06″N 93°34′13″W / 41.685°N 93.5703°W / 41.685; -93.5703
Country	United States
State	Iowa
Founded	January 13, 1846
Named for	James K. Polk
Seat	Des Moines
Largest city	Des Moines
Area
• Total	592 sq mi (1,530 km2)
• Land	574 sq mi (1,490 km2)
• Water	18 sq mi (50 km2)  3.0%
Population  (2020)[1]
• Total	492,401
• Density	830/sq mi (320/km2)
Time zone	UTC−6 (Central)
• Summer (DST)	UTC−5 (CDT)
Website	www.polkcountyiowa.gov

Polk County is a county in the U.S. state of Iowa. As of the 2020 census, 492,401 people lived there.^[1] It the most populous county in Iowa.^[2][3] The county seat is Des Moines,^[4]. Des Moines is also the capital city of Iowa. Polk County is one of the five counties that make up the Des Moines-West Des Moines Metropolitan Statistical Area.^[5]

1. ↑ ^{1.0 1.1} "QuickFacts: Polk County, Iowa". United States Census Bureau. Retrieved August 9, 2023.
2. ↑ Cite error: The named reference USCB was used but no text was provided for refs named (see the help page).
3. ↑ Cite error: The named reference IADC was used but no text was provided for refs named (see the help page).
4. ↑ "Find a County". National Association of Counties. Retrieved 2008-01-31.
5. ↑ United States Office of Management and Budget. "Update of Statistical Area Definitions and Guidance on Their Uses" (PDF). pp. 5, 36. Archived from the original (PDF) on 2006-05-14. Retrieved 2006-07-21.