COUNTY · KS
Wallace County, Kansas
Wallace County is a county in Kansas with FIPS code 20199 and an estimated population of 1,509 (Census 2023), 104th largest of 105 in the state.
County facts
- Name
- Wallace County
- State
- Kansas
- Type
- county
- FIPS code
- 20199
- State FIPS
- 20
- Population (2023)
- 1,509
- Change since 2020
- -0.2%
- State rank
- 104 of 105
Population is the Census Bureau’s Vintage 2023 estimate.
Questions
What is the FIPS code for Wallace County?
Wallace County, Kansas has the five-digit FIPS code 20199: 20 for the state and 199 for the county.
What state is Wallace County in?
Wallace County is in Kansas.
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.