COUNTY · FL
Sumter County, Florida
Sumter County is a county in Florida with FIPS code 12119 and an estimated population of 151,565 (Census 2023), 34th largest of 67 in the state.
County facts
- Name
- Sumter County
- State
- Florida
- Type
- county
- FIPS code
- 12119
- State FIPS
- 12
- Population (2023)
- 151,565
- Change since 2020
- +16.3%
- State rank
- 34 of 67
Population is the Census Bureau’s Vintage 2023 estimate.
Questions
What is the FIPS code for Sumter County?
Sumter County, Florida has the five-digit FIPS code 12119: 12 for the state and 119 for the county.
What state is Sumter County in?
Sumter County is in Florida.
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.