ZIP codes in Starke County
12 ZIPs touch Starke County, Indiana. The blue dashed line is the county border; orange ZIPs reach into it.
12
ZIP codes
10
cross the county line
63,799
people in these ZIPs
92
counties in IN
Most people
Starke County ZIP list
More counties in Indiana
- Ripley County15
- Rush County16
- Scott County6
- Shelby County17
- Spencer County19
- St. Joseph County31
- Steuben County9
- Sullivan County14
- Switzerland County10
- Tippecanoe County23
- Tipton County11
- Union County6
Questions people actually ask
How many ZIP codes are in Starke County, Indiana?
12 ZIP codes reach into Starke County, including 1 PO Box or single-address ZIPs placed by the town they serve. 10 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Starke County has the most people?
46563 (Plymouth) has about 23,615 residents, the most of any ZIP touching Starke County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Starke 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 Starke 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.
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Updated 2026-11-10 · Where the data comes from