ZIP code · Petrolia · Texas · United States

ZIP code 76377 — Petrolia

ZIP code 76377 serves Petrolia, Texas.

Postal code
76377
Single source Value from one source, not cross-checked.
City
Petrolia
County
Clay FIPS 48077
State
Texas
Country
United States
Coordinates
34.0132, -98.2323 — precision precise (locality)
View on OpenStreetMap
Population
470 (ZCTA, ACS 5-year)
Population density
18 / sq mi
Land area
26.7 sq mi (69.1 km²) (ZCTA, ACS 5-year)
Median household income
$62,679
Per-capita income
$28,235
Median age
46.5
Households
197
Housing units
308
Median home value
$89,700
Median gross rent
$768 / month
Congressional district
TX-13 (119th Congress)
USDA hardiness zone
8a (10 to 15 °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
940
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 Jul (avg high 97°F), coldest Jan (avg low 29°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F555868768391979688786656
Avg low °F293240485967717062513931
Precip in1.71.82.62.74.73.61.83.12.63.52.21.7

NOAA 1991–2020 climate normals from the nearest station: HENRIETTA (14.0 mi) · NOAA NCEI

Places in ZIP 76377

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