COUNTY · IN

Vermillion County, Indiana

Vermillion County is a county in Indiana with FIPS code 18165 and an estimated population of 15,417 (Census 2023), 80th largest of 92 in the state.

County facts

Name
Vermillion County
State
Indiana
Type
county
FIPS code
18165
State FIPS
18
Population (2023)
15,417
Change since 2020
+0.1%
State rank
80 of 92

Population is the Census Bureau’s Vintage 2023 estimate.

Other counties in Indiana

Questions

What is the FIPS code for Vermillion County?

Vermillion County, Indiana has the five-digit FIPS code 18165: 18 for the state and 165 for the county.

What state is Vermillion County in?

Vermillion 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.