ZIP codes in Houston County
8 ZIPs touch Houston County, Texas. The blue dashed line is the county border; orange ZIPs reach into it.
8
ZIP codes
5
cross the county line
29,853
people in these ZIPs
254
counties in TX
Most people
Houston County ZIP list
More counties in Texas
- Henderson County17
- Hidalgo County32
- Hill County20
- Hockley County12
- Hood County9
- Hopkins County14
- Howard County6
- Hudspeth County6
- Hunt County20
- Hutchinson County8
- Irion County4
- Jack County11
Questions people actually ask
How many ZIP codes are in Houston County, Texas?
8 ZIP codes reach into Houston County. 5 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Houston County has the most people?
75835 (Crockett) has about 12,439 residents, the most of any ZIP touching Houston County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Houston 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 Houston 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