ZIP codes in Medina County

15 ZIPs touch Medina County, Texas. The blue dashed line is the county border; orange ZIPs reach into it.

ZIP codes

cross the county line

163,754

people in these ZIPs

254

counties in TX

Most people

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Medina County ZIP list

More counties in Texas

All 254 counties in Texas

Questions people actually ask

How many ZIP codes are in Medina County, Texas?

15 ZIP codes reach into Medina County. 8 of them are only partly in the county and also cover a neighboring county.

Which ZIP code in Medina County has the most people?

78253 (San Antonio) has about 69,282 residents, the most of any ZIP touching Medina County, in the Census Bureau’s ACS 2020–2024 estimates.

Can a ZIP code be in Medina 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 Medina 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