ZIP codes in Mecosta County

17 ZIPs touch Mecosta County, Michigan. The blue dashed line is the county border; orange ZIPs reach into it.

17

ZIP codes

14

cross the county line

77,932

people in these ZIPs

83

counties in MI

Most people

Mecosta County ZIP list

Questions people actually ask

How many ZIP codes are in Mecosta County, Michigan?

17 ZIP codes reach into Mecosta County. 14 of them are only partly in the county and also cover a neighboring county.

Which ZIP code in Mecosta County has the most people?

49307 (Big Rapids) has about 18,407 residents, the most of any ZIP touching Mecosta County, in the Census Bureau’s ACS 2020–2024 estimates.

Can a ZIP code be in Mecosta County and another county?

Yes. ZIP codes follow mail routes, not county lines. Rows marked with a percentage show how much of that ZIP’s land is in Mecosta County. For one address, pin the exact spot on the ZIP finder to see its county.

Where does this list come from?

ZIP areas and their county overlaps come from the Census Bureau’s 2020 ZIP Code Tabulation Area to county relationship file. PO Box ZIPs have no area, so each is placed in the county of the ZIP area nearest the town it serves.

Updated 2026-11-10 · Where the data comes from