ZIP codes in Wilson County
12 ZIPs touch Wilson County, Texas. The blue dashed line is the county border; orange ZIPs reach into it.
12
ZIP codes
8
cross the county line
146,283
people in these ZIPs
254
counties in TX
Most people
Wilson County ZIP list
More counties in Texas
- Wharton County13
- Wheeler County7
- Wichita County13
- Wilbarger County7
- Willacy County6
- Williamson County33
- Winkler County2
- Wise County19
- Wood County13
- Yoakum County4
- Young County6
- Zapata County5
Questions people actually ask
How many ZIP codes are in Wilson County, Texas?
12 ZIP codes reach into Wilson County. 8 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Wilson County has the most people?
78223 (San Antonio) has about 58,983 residents, the most of any ZIP touching Wilson County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Wilson 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 Wilson 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