COUNTY · SD
Tripp County, South Dakota
Tripp County is a county in South Dakota with FIPS code 46123 and an estimated population of 5,621 (Census 2023), 31st largest of 66 in the state.
County facts
- Name
- Tripp County
- State
- South Dakota
- Type
- county
- FIPS code
- 46123
- State FIPS
- 46
- Population (2023)
- 5,621
- Change since 2020
- +0.2%
- State rank
- 31 of 66
Population is the Census Bureau’s Vintage 2023 estimate.
Questions
What is the FIPS code for Tripp County?
Tripp County, South Dakota has the five-digit FIPS code 46123: 46 for the state and 123 for the county.
What state is Tripp County in?
Tripp County is in South Dakota.
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.