| ZIP Codes: | 4 ZIP Codes (3 Standard, 1 PO Box, 0 Unique) [See All] |
| Area Code: | 830 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:13:53 PM |
| Population: | 8,386 [See All] |
| FIPS: | 48127 |
| Land Area: | 1,359 sq mi |
| Water Area: | 3 sq mi |
| Coordinates: | 28.4195, -99.7199 |
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8,386 residents live across 4 ZIPs covering 1,359 sq mi, served by 4 distinct USPS-recognized cities.
Population moved from 10,471 to 8,386 from 2014 to 2024 — a -19.9% change. 2 ZIPs gained residents, 2 lost.
The county's wealthiest ZIP 78830 (Big Wells, $51,354 median) and poorest ZIP 78827 (Asherton, $23,167) are 14.8 miles apart — a 2.2× income gap across local geography.
Median home values vary 1.3× across this county — from $66,700 in 78830 (Big Wells) to $87,700 in 78834 (Carrizo Springs).
Density varies 29× across the county — from 0 people/sq mi in 78836 (Catarina) to 12 in 78834 (Carrizo Springs).
Educational attainment ranges from 5.2% bachelor's+ in 78827 (Asherton) to 10.7% in 78834 (Carrizo Springs) — the breadth of educational profiles across the area.
Within Texas, this is the #175 most populous of 254 counties and ranks #251 for median household income .
Weighted by population, the typical household earns about $39,025 across the county — reflecting what a typical resident sees, not a simple ZIP average.
9.8% of adults age 25+ hold a bachelor's degree or higher (523 of 5,346 reporting).
3 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.
Dimmit County lost 19.9% of residents between 2014 and 2024. ZIPs that shed the largest share: