COUNTY · SD

Sanborn County, South Dakota

Sanborn County is a county in South Dakota with FIPS code 46111 and an estimated population of 2,399 (Census 2023), 53rd largest of 66 in the state.

County facts

Name
Sanborn County
State
South Dakota
Type
county
FIPS code
46111
State FIPS
46
Population (2023)
2,399
Change since 2020
+3.1%
State rank
53 of 66

Population is the Census Bureau’s Vintage 2023 estimate.

Other counties in South Dakota

Questions

What is the FIPS code for Sanborn County?

Sanborn County, South Dakota has the five-digit FIPS code 46111: 46 for the state and 111 for the county.

What state is Sanborn County in?

Sanborn 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.