Scott County
Also known as Scott County, Iowa, Scott County, IA
county in Iowa, United States
Key facts
- Country
- United States
- State
- Iowa
- Founded
- December 21, 1837
- Named after
- Winfield Scott
- Seat
- Davenport
- Largest city
- Davenport
- Total
- 468.211 sq mi (1,212.66 km )
- Land
- 458.101 sq mi (1,186.48 km )
- Water
- 10.110 sq mi (26.18 km ) 2.16%
- Estimate 2025
- 175,259
- Density
- 381.289/sq mi (147.217/km )
- Time zone
- UTC−6 ( Central )
- Summer dst
Article
Scott County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 174,669, and was estimated to be 175,259 in 2025, making it the third-most populous county in Iowa. The county seat the largest city is Davenport.
Scott County is included in the Davenport–Moline-Rock Island, IA–IL Metropolitan Statistical Area.