| ZIP Codes: | 12 ZIP Codes (6 Standard, 2 PO Box, 4 Unique) [See All] |
| Area Codes: | 254 / 325 / 512 / 737 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:13:53 PM |
| Population: | 71,126 [See All] |
| FIPS: | 48099 |
| CBSA: | Killeen-Temple, TX |
| Land Area: | 1,213 sq mi |
| Water Area: | 2 sq mi |
| Coordinates: | 31.4353, -97.7922 |
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71,126 residents live across 12 ZIPs covering 1,213 sq mi, served by 8 distinct USPS-recognized cities.
Population moved from 62,860 to 71,126 from 2014 to 2024 — a +13.1% change. 9 ZIPs gained residents, 1 lost.
The county's wealthiest ZIP 76566 (Purmela, $115,417 median) and poorest ZIP 76561 (Oglesby, $60,357) are 30.6 miles apart — a 1.9× income gap across local geography.
Median home values vary 2.8× across this county — from $122,500 in 76538 (Jonesboro) to $339,100 in 76566 (Purmela).
Density varies 5478× across the county — from 5 people/sq mi in 76538 (Jonesboro) to 26,783 in 76597 (Gatesville).
Most of the decade's growth concentrated around Gatesville — top growth ZIPs averaged +24.4% over the past ten years ( 76525 , 76597 and 76599 ).
Educational attainment ranges from 2.9% bachelor's+ in 76596 (Gatesville) to 35.4% in 76525 (Evant) — the breadth of educational profiles across the area.
Within Texas, this is the #53 most populous of 254 counties and ranks #68 for median household income with the #48 fastest decade growth .
Hosts 4 single-entity Unique ZIPs: 76599Craine Unit ; 76596Lane Murray Prison ; 76597Alfred P Hughes Unit ; and 76598Hilltop Unit Tdc .
Weighted by population, the typical household earns about $71,832 across the county — reflecting what a typical resident sees, not a simple ZIP average.
19.1% of adults age 25+ hold a bachelor's degree or higher (9,704 of 50,840 reporting).
6 Standard delivery, 2 PO Box only, 4 single-entity Unique ZIPs serve this county.
4 ZIP codes in this county serve a single facility — typically theme parks, universities, large corporations, airports, or government complexes.
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.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 76522 | Copperas Cove | Standard | 42,118 | $72,206 | 137.7 | 15.5% |
| 76528 | Gatesville | Standard | 18,935 | $70,558 | 619.5 | 7.7% |
| 76597 | Gatesville | Unique | 3,005 | — | 0.1 | 27.7% |
| 76599 | Gatesville | Unique | 1,980 | — | 0.2 | 15.7% |
| 76525 | Evant | Standard | 1,289 | $80,208 | 168.2 | 29.8% |
| 76596 | Gatesville | Unique | 1,060 | — | 0.1 | -8.9% |
| 76561 | Oglesby | Standard | 996 | $60,357 | 59.6 | 2.3% |
| 76538 | Jonesboro | Standard | 882 | $63,750 | 180.4 | 14.0% |
| 76598 | Gatesville | Unique | 491 | — | 0.0 | 1.7% |
| 76566 | Purmela | Standard | 370 | $115,417 | 47.0 | 7.2% |
| 76526 | Flat | PO Box | — | — | 0.0 | — |
| 76558 | Mound | PO Box | — | — | 0.0 | — |