| ZIP Codes: | 23 ZIP Codes (17 Standard, 5 PO Box, 1 Unique) [See All] |
| Area Code: | 254 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:13:50 PM |
| Population: | 399,960 [See All] |
| FIPS: | 48027 |
| CBSA: | Killeen-Temple, TX |
| Land Area: | 1,137 sq mi |
| Water Area: | 26 sq mi |
| Coordinates: | 31.0569, -97.5031 |
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399,960 residents live across 23 ZIPs covering 1,137 sq mi, served by 14 distinct USPS-recognized cities.
Population moved from 335,474 to 399,960 from 2014 to 2024 — a +19.2% change. 16 ZIPs gained residents, 1 lost.
The county's wealthiest ZIP 76571 (Salado, $111,863 median) and poorest ZIP 76541 (Killeen, $37,349) are 14.8 miles apart — a 3.0× income gap across local geography.
Median home values vary 4.0× across this county — from $116,300 in 76541 (Killeen) to $466,100 in 76571 (Salado).
Density varies 142× across the county — from 28 people/sq mi in 76569 (Rogers) to 4,028 in 76541 (Killeen).
Educational attainment ranges from 9.2% bachelor's+ in 76541 (Killeen) to 43.5% in 76571 (Salado) — the breadth of educational profiles across the area.
Within Texas, this is the #15 most populous of 254 counties and ranks #92 for median household income with the #28 fastest decade growth .
Hosts 1 single-entity Unique ZIP: 76508Scott And White Hospital .
Weighted by population, the typical household earns about $70,345 across the county — reflecting what a typical resident sees, not a simple ZIP average.
27.0% of adults age 25+ hold a bachelor's degree or higher (65,622 of 242,723 reporting).
17 Standard delivery, 5 PO Box only, 1 single-entity Unique ZIPs serve this county.
Bell County grew 19.2% over the past decade — concentrated in 5 high-growth ZIPs:
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 76549 | Killeen | Standard | 56,038 | $70,871 | 95.2 | 14.9% |
| 76542 | Killeen | Standard | 53,892 | $74,055 | 63.8 | 22.4% |
| 76502 | Temple | Standard | 52,669 | $82,088 | 63.7 | 55.9% |
| 76513 | Belton | Standard | 45,928 | $80,661 | 150.4 | 26.9% |
| 76543 | Killeen | Standard | 34,457 | $48,564 | 31.0 | 14.5% |
| 76548 | Harker Heights | Standard | 33,729 | $80,520 | 17.4 | 21.1% |
| 76544 | Fort Hood | Standard | 28,191 | $62,846 | 85.0 | -13.3% |
| 76504 | Temple | Standard | 26,166 | $52,803 | 29.8 | 11.7% |
| 76541 | Killeen | Standard | 19,011 | $37,349 | 4.7 | 8.0% |
| 76501 | Temple | Standard | 17,752 | $62,532 | 118.3 | 2.3% |
| 76571 | Salado | Standard | 9,000 | $111,863 | 125.6 | 56.3% |
| 76559 | Nolanville | Standard | 7,197 | $76,286 | 5.8 | 43.5% |
| 76579 | Troy | Standard | 5,448 | $85,480 | 60.9 | 28.5% |
| 76569 | Rogers | Standard | 2,761 | $65,491 | 97.7 | 25.9% |
| 76511 | Bartlett | Standard | 2,702 | $69,286 | 94.9 | 8.1% |
| 76534 | Holland | Standard | 2,675 | $80,536 | 83.5 | 25.1% |
| 76554 | Little River Academy | Standard | 2,344 | $75,500 | 9.2 | 17.4% |
| 76533 | Heidenheimer | PO Box | — | — | 0.0 | — |
| 76508 | Temple | Unique | — | — | 0.2 | — |
| 76547 | Killeen | PO Box | — | — | 0.0 | — |
| 76503 | Temple | PO Box | — | — | 0.0 | — |
| 76540 | Killeen | PO Box | — | — | 0.0 | — |
| 76564 | Pendleton | PO Box | — | — | 0.0 | — |