Home > TX > Gillespie County > Doss > Zip 78618

Zip Code 78618 — Doss, TX

78618 is a ZIP Code associated with Doss, TX, located within Gillespie. The postal region supports an estimated population of 346 residents across Data Pending housing units, with a population density of 0.8 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (30.486240, -99.167940)

Data MetricLocal Statistic
Postal / Zip Code78618
Primary CityDoss
State / ProvinceTX
CountyGillespie
Total Population346
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density0.8 people/sq mi
TimezoneAmerica/Chicago

How 78618 Compares

MetricZIP 78618Gillespie CountyTX State Average
Population34624,60230,188,035
Median IncomeData PendingN/AN/A
Population Density0.8 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 78631Harper12.9 mi3,465N/A
Zip 76856Mason16.1 mi3,532N/A
Zip 76831Castell21.9 miN/AN/A
Zip 78624Fredericksburg22.2 mi23,741N/A
Zip 76820Art22.4 mi104N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →