COUNTY · MI

Lake County, Michigan

Lake County is a county in Michigan with FIPS code 26085 and an estimated population of 12,734 (Census 2023), 72nd largest of 83 in the state.

County facts

Name
Lake County
State
Michigan
Type
county
FIPS code
26085
State FIPS
26
Population (2023)
12,734
Change since 2020
+5.3%
State rank
72 of 83

Population is the Census Bureau’s Vintage 2023 estimate.

Other counties in Michigan

Questions

What is the FIPS code for Lake County?

Lake County, Michigan has the five-digit FIPS code 26085: 26 for the state and 085 for the county.

What state is Lake County in?

Lake 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.