COUNTY · MI

Saginaw County, Michigan

Saginaw County is a county in Michigan with FIPS code 26145 and an estimated population of 187,782 (Census 2023), 11th largest of 83 in the state.

County facts

Name
Saginaw County
State
Michigan
Type
county
FIPS code
26145
State FIPS
26
Population (2023)
187,782
Change since 2020
-1.1%
State rank
11 of 83

Population is the Census Bureau’s Vintage 2023 estimate.

Other counties in Michigan

Questions

What is the FIPS code for Saginaw County?

Saginaw County, Michigan has the five-digit FIPS code 26145: 26 for the state and 145 for the county.

What state is Saginaw County in?

Saginaw County is in Michigan.

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.