ZIP code · Hargill · Texas · United States

ZIP code 78549 — Hargill

ZIP code 78549 serves Hargill, Texas.

Postal code
78549
Single source Value from one source, not cross-checked.
City
Hargill
County
Hidalgo FIPS 48215
State
Texas
Country
United States
Coordinates
26.4671, -98.0393 — precision precise (locality)
View on OpenStreetMap
Population
876 (ZCTA, ACS 5-year)
Population density
34 / sq mi
Land area
25.9 sq mi (67 km²) (ZCTA, ACS 5-year)
Median household income
$19,028
Per-capita income
$8,948
Median age
29.7
Households
283
Housing units
355
Median home value
$62,700
Congressional district
TX-15 (119th Congress)
USDA hardiness zone
9b (25 to 30 °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
956
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 49°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F727681879396989894888073
Avg low °F495359647174757672645650
Precip in1.01.30.91.42.53.42.01.94.72.51.11.1

NOAA 1991–2020 climate normals from the nearest station: EDINBURG 17 NNE (4.3 mi) · NOAA NCEI

Places in ZIP 78549

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