ZIP codes in Sterling County
2 ZIPs touch Sterling County, Texas. The blue dashed line is the county border; orange ZIPs reach into it.
2
ZIP codes
1
cross the county line
3,157
people in these ZIPs
254
counties in TX
Most people
Sterling County ZIP list
More counties in Texas
- Shelby County7
- Sherman County4
- Smith County28
- Somervell County7
- Starr County11
- Stephens County8
- Stonewall County7
- Sutton County2
- Swisher County5
- Tarrant County108
- Taylor County21
- Terrell County3
Questions people actually ask
How many ZIP codes are in Sterling County, Texas?
2 ZIP codes reach into Sterling County. 1 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Sterling County has the most people?
76945 (Robert Lee) has about 1,689 residents, the most of any ZIP touching Sterling County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Sterling 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 Sterling 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