COUNTY · MS
Alcorn County, Mississippi
Alcorn County is a county in Mississippi with FIPS code 28003 and an estimated population of 34,135 (Census 2023), 21st largest of 82 in the state.
County facts
- Name
- Alcorn County
- State
- Mississippi
- Type
- county
- FIPS code
- 28003
- State FIPS
- 28
- Population (2023)
- 34,135
- Change since 2020
- -1.7%
- State rank
- 21 of 82
Population is the Census Bureau’s Vintage 2023 estimate.
Other counties in Mississippi
Questions
What is the FIPS code for Alcorn County?
Alcorn County, Mississippi has the five-digit FIPS code 28003: 28 for the state and 003 for the county.
What state is Alcorn County in?
Alcorn County is in Mississippi.
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.