| ZIP Codes: | 2 ZIP Codes (1 Standard, 1 PO Box, 0 Unique) [See All] |
| Area Code: | 325 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:13:57 PM |
| Population: | 1,239 [See All] |
| FIPS: | 48235 |
| CBSA: | San Angelo, TX |
| Land Area: | 636 sq mi |
| Water Area: | 0 sq mi |
| Coordinates: | 31.2938, -101.0176 |
| Quick Link: |
1,239 residents live across 2 ZIPs covering 636 sq mi, served by 2 distinct USPS-recognized cities.
Population moved from 1,549 to 1,239 from 2014 to 2024 — a -20.0% change. 0 ZIPs gained residents, 2 lost.
The county's wealthiest ZIP 76941 (Mertzon, $78,359 median) and poorest ZIP 76930 (Barnhart, $58,472) are 18.6 miles apart — a 1.3× income gap across local geography.
Density varies 6× across the county — from 0 people/sq mi in 76930 (Barnhart) to 3 in 76941 (Mertzon).
Educational attainment ranges from 16.7% bachelor's+ in 76930 (Barnhart) to 29.8% in 76941 (Mertzon) — the breadth of educational profiles across the area.
Within Texas, this is the #240 most populous of 254 counties and ranks #118 for median household income .
Weighted by population, the typical household earns about $77,059 across the county — reflecting what a typical resident sees, not a simple ZIP average.
28.9% of adults age 25+ hold a bachelor's degree or higher (260 of 901 reporting).
1 Standard delivery, 1 PO Box only, 0 single-entity Unique ZIPs serve this county.
A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.
One ZIP holds the majority of this county's population — a sign of a county built around a single city or town.
Irion County lost 20.0% of residents between 2014 and 2024. ZIPs that shed the largest share: