COUNTY · IN

Dubois County, Indiana

Dubois County is a county in Indiana with FIPS code 18037 and an estimated population of 43,546 (Census 2023), 36th largest of 92 in the state.

County facts

Name
Dubois County
State
Indiana
Type
county
FIPS code
18037
State FIPS
18
Population (2023)
43,546
Change since 2020
-0.2%
State rank
36 of 92

Population is the Census Bureau’s Vintage 2023 estimate.

Other counties in Indiana

Questions

What is the FIPS code for Dubois County?

Dubois County, Indiana has the five-digit FIPS code 18037: 18 for the state and 037 for the county.

What state is Dubois County in?

Dubois County is in Indiana.

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.