COUNTY · IA

Pottawattamie County, Iowa

Pottawattamie County is a county in Iowa with FIPS code 19155 and an estimated population of 93,179 (Census 2023), 10th largest of 99 in the state.

County facts

Name
Pottawattamie County
State
Iowa
Type
county
FIPS code
19155
State FIPS
19
Population (2023)
93,179
Change since 2020
-0.5%
State rank
10 of 99

Population is the Census Bureau’s Vintage 2023 estimate.

Other counties in Iowa

Questions

What is the FIPS code for Pottawattamie County?

Pottawattamie County, Iowa has the five-digit FIPS code 19155: 19 for the state and 155 for the county.

What state is Pottawattamie County in?

Pottawattamie County is in Iowa.

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.