COUNTY · ID

Oneida County, Idaho

Oneida County is a county in Idaho with FIPS code 16071 and an estimated population of 4,953 (Census 2023), 38th largest of 44 in the state.

County facts

Name
Oneida County
State
Idaho
Type
county
FIPS code
16071
State FIPS
16
Population (2023)
4,953
Change since 2020
+8.5%
State rank
38 of 44

Population is the Census Bureau’s Vintage 2023 estimate.

Other counties in Idaho

Questions

What is the FIPS code for Oneida County?

Oneida County, Idaho has the five-digit FIPS code 16071: 16 for the state and 071 for the county.

What state is Oneida County in?

Oneida County is in Idaho.

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.