ZIP code · Killeen · Texas · United States

ZIP code 76543 — Killeen

ZIP code 76543 serves Killeen, Texas.

Postal code
76543
Single source Value from one source, not cross-checked.
City
Killeen
County
Bell FIPS 48027
State
Texas
Country
United States
Coordinates
31.1172, -97.6651 — precision precise (locality)
View on OpenStreetMap
Population
33,713 (ZCTA, ACS 5-year)
Population density
948 / sq mi
Land area
35.6 sq mi (92.1 km²) (ZCTA, ACS 5-year)
Median household income
$51,239
Per-capita income
$28,225
Median age
29.9
Households
13,530
Housing units
15,300
Median home value
$140,700
Median gross rent
$1,099 / month
Congressional districts
TX-31 (also TX-11) (119th Congress)
USDA hardiness zone
8b (15 to 20 °F)
Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
Time zone
America/Chicago (UTC−6 / UTC−5 DST)
Area code
254
Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.

Climate — monthly normals

Warmest month Aug (avg high 97°F), coldest Jan (avg low 36°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F606370778492969790806960
Avg low °F364047546370727367564638
Precip in2.52.23.32.14.73.22.71.63.93.42.72.4

NOAA 1991–2020 climate normals from the nearest station: KILLEEN (3.9 mi) · NOAA NCEI

Places in ZIP 76543

Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology

About this page

US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page