| ZIP Codes: | 7 ZIP Codes (6 Standard, 1 PO Box, 0 Unique) [See All] |
| Area Code: | 254 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:13:58 PM |
| Population: | 21,589 [See All] |
| FIPS: | 48293 |
| Land Area: | 872 sq mi |
| Water Area: | 25 sq mi |
| Coordinates: | 31.5640, -96.5669 |
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21,589 residents live across 7 ZIPs covering 872 sq mi, served by 7 distinct USPS-recognized cities.
Population moved from 22,790 to 21,589 from 2014 to 2024 — a -5.3% change. 3 ZIPs gained residents, 4 lost.
The county's wealthiest ZIP 76686 (Tehuacana, $75,469 median) and poorest ZIP 76653 (Kosse, $48,500) are 30.9 miles apart — a 1.6× income gap across local geography.
Median home values vary 1.7× across this county — from $150,200 in 76653 (Kosse) to $254,500 in 76687 (Thornton).
Density varies 105× across the county — from 7 people/sq mi in 76653 (Kosse) to 744 in 76686 (Tehuacana).
Educational attainment ranges from 15.0% bachelor's+ in 76653 (Kosse) to 31.7% in 76635 (Coolidge) — the breadth of educational profiles across the area.
Within Texas, this is the #111 most populous of 254 counties and ranks #166 for median household income .
Weighted by population, the typical household earns about $57,981 across the county — reflecting what a typical resident sees, not a simple ZIP average.
17.9% of adults age 25+ hold a bachelor's degree or higher (2,759 of 15,392 reporting).
6 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.
Limestone County lost 5.3% of residents between 2014 and 2024. ZIPs that shed the largest share:
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 76667 | Mexia | Standard | 10,494 | $52,541 | 153.2 | -5.5% |
| 76642 | Groesbeck | Standard | 6,363 | $62,243 | 263.9 | -12.3% |
| 76687 | Thornton | Standard | 1,830 | $73,323 | 151.0 | 14.8% |
| 76635 | Coolidge | Standard | 1,392 | $62,031 | 120.2 | -2.2% |
| 76653 | Kosse | Standard | 1,067 | $48,500 | 151.0 | 14.9% |
| 76686 | Tehuacana | PO Box | 341 | $75,469 | 0.5 | 39.8% |
| 76678 | Prairie Hill | Standard | 102 | $61,944 | 32.2 | -57.1% |