ZIP code · Mc Queeney · Texas · United States

ZIP code 78123 — Mc Queeney

ZIP code 78123 serves Mc Queeney, Texas.

Postal code
78123
Single source Value from one source, not cross-checked.
City
Mc Queeney
County
Guadalupe FIPS 48187
State
Texas
Country
United States
Coordinates
29.6023, -98.0492 — precision estimated (postal-area centroid)
View on OpenStreetMap
Population
2,271 (ZCTA, ACS 5-year)
Population density
608 / sq mi
Land area
3.7 sq mi (9.7 km²) (ZCTA, ACS 5-year)
Median household income
$95,700
Per-capita income
$40,542
Median age
46.9
Households
890
Housing units
1,225
Median home value
$238,900
Congressional districts
TX-28 (also TX-15) (119th Congress)
USDA hardiness zone
9a (20 to 25 °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
830 (from the nearest rate centre)
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 98°F), coldest Jan (avg low 40°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F646875828893969892847365
Avg low °F404451586671737368594942
Precip in2.11.72.52.03.63.42.22.03.53.32.52.4

NOAA 1991–2020 climate normals from the nearest station: AUSTIN SAN ANTONIO (7.1 mi) · NOAA NCEI

Places in ZIP 78123

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