ZIP code · Doss · Texas · United States

ZIP code 78618 — Doss

ZIP code 78618 serves Doss, Texas.

Postal code
78618
Single source Value from one source, not cross-checked.
City
Doss
County
Gillespie FIPS 48171
State
Texas
Country
United States
Coordinates
30.4613, -99.1707 — precision precise (locality)
View on OpenStreetMap
Population
292 (ZCTA, ACS 5-year)
Population density
2 / sq mi
Land area
158.8 sq mi (411.4 km²) (ZCTA, ACS 5-year)
Median household income
$83,500
Per-capita income
$59,909
Median age
63.4
Households
138
Housing units
302
Median home value
$319,400
Median gross rent
$888 / month
Congressional districts
TX-21 (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
830
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 93°F), coldest Jan (avg low 34°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F606470778389929387796861
Avg low °F343845526167696862544437
Precip in1.51.72.62.14.22.81.72.13.22.72.11.6

NOAA 1991–2020 climate normals from the nearest station: HARPER 3ENE (10.7 mi) · NOAA NCEI

Places in ZIP 78618

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