PARISH · LA
Lafayette Parish, Louisiana
Lafayette Parish is a parish in Louisiana with FIPS code 22055 and an estimated population of 249,750 (Census 2023), 5th largest of 64 in the state.
County facts
- Name
- Lafayette Parish
- State
- Louisiana
- Type
- parish
- FIPS code
- 22055
- State FIPS
- 22
- Population (2023)
- 249,750
- Change since 2020
- +3.1%
- State rank
- 5 of 64
Population is the Census Bureau’s Vintage 2023 estimate.
Major cities in Lafayette Parish
Other counties in Louisiana
Questions
What is the FIPS code for Lafayette Parish?
Lafayette Parish, Louisiana has the five-digit FIPS code 22055: 22 for the state and 055 for the county.
What state is Lafayette Parish in?
Lafayette Parish is in Louisiana.
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.