Irion County, Texas ZIP codes
2 ZIP codes are in Irion County, plus 2 that cross in from neighboring counties. It's part of the San Angelo, TX metro area.
- ZIP codes
- 2
- Population in these ZIPs
- 1,239
- Avg. median income
- $77,100population-weighted
- Cities & towns
- 2
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Irion County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 76930 | Barnhart | 81 | $58,472 | — |
| 76941 | Mertzon | 1,158 | $78,359 | $261,400 |
ZIP codes partly in Irion County
These ZIP codes are mostly in a neighboring county but cover part of Irion County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 76901 | San Angelo | Tom Green County | 31,831 | $69,450 | $202,100 |
| 76904 | San Angelo | Tom Green County | 36,954 | $81,833 | $318,700 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in Irion County
Nearby counties
Frequently asked questions
How many ZIP codes are in Irion County, Texas?
2 ZIP codes are mainly in Irion County, and 2 more ZIP codes from neighboring areas reach partly into it.
What cities are in Irion County?
ZIP codes in Irion County use the city names Barnhart and Mertzon.
What metro area is Irion County in?
Irion County is part of the San Angelo, TX metropolitan statistical area.