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Zip Code 78118 — Karnes City, TX

78118 is a ZIP Code associated with Karnes City, TX, located within Karnes. The postal region supports an estimated population of 4,676 residents across Data Pending housing units, with a population density of 9.4 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (28.875740, -97.947290)

Data MetricLocal Statistic
Postal / Zip Code78118
Primary CityKarnes City
State / ProvinceTX
CountyKarnes
Total Population4,676
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density9.4 people/sq mi
TimezoneAmerica/Chicago

How 78118 Compares

MetricZIP 78118Karnes CountyTX State Average
Population4,67614,25830,188,035
Median IncomeData PendingN/AN/A
Population Density9.4 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 78117Hobson5.2 mi661N/A
Zip 78144Panna Maria6.6 mi47N/A
Zip 78119Kenedy11.1 mi7,270N/A
Zip 78113Falls City12.4 mi3,026N/A
Zip 78151Runge14.4 mi1,378N/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 →