COUNTY · IA
Muscatine County, Iowa
Muscatine County is a county in Iowa with FIPS code 19139 and an estimated population of 42,218 (Census 2023), 14th largest of 99 in the state.
County facts
- Name
- Muscatine County
- State
- Iowa
- Type
- county
- FIPS code
- 19139
- State FIPS
- 19
- Population (2023)
- 42,218
- Change since 2020
- -2.1%
- State rank
- 14 of 99
Population is the Census Bureau’s Vintage 2023 estimate.
Questions
What is the FIPS code for Muscatine County?
Muscatine County, Iowa has the five-digit FIPS code 19139: 19 for the state and 139 for the county.
What state is Muscatine County in?
Muscatine County is in Iowa.
How do I know if an address is in this county?
Use the address lookup. ZIP codes and city names can cross county lines, so an address is the reliable check.
Sources: U.S. Census Bureau geographic reference files; Census Bureau Population Estimates, Vintage 2023. Last reviewed 2026-10-27.