ZIP code 78118: Karnes City, TX
78118 is a ZIP code in Karnes City, Texas, mainly in Karnes County. About 4,676 people live here.
- Population
- 4,676
- Median household income
- $60,711
- Typical home value
- $193,200-1.1% in 12 months
- Median rent
- $666gross, per month
- Median age
- 36.8
- Homeowners
- 74.8%of occupied homes
Shaded: ZIP code 78118's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 78118 details
| City | Karnes City |
|---|---|
| State | Texas |
| County | Karnes County (also partly Live Oak County, Atascosa County) |
| Metro area | Not in a metro or micro area |
| Time zone | Central Time (UTC−6), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 191.8 sq mi, plus 1.2 sq mi of water |
| Population density | 24 people per sq mi |
| Bachelor's degree or higher | 15.5% of adults 25+ |
| Average commute | 18.3 minutes |
| Center coordinates | 28.87479, -97.93737 |
Median rent in 78118 by bedrooms
| Size | Median gross rent |
|---|---|
| 1 bedroom | $656/mo |
| 3 bedrooms | $1,169/mo |
Gross rent includes utilities paid by the tenant. ACS 2020–2024; sizes with too few rentals to estimate are left out.
ZIP codes near 78118
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 78117 | Hobson, TX | 4.5 mi | 661 |
| 78144 | Panna Maria, TX | 5.9 mi | 47 |
| 78119 | Kenedy, TX | 10.7 mi | 7,270 |
| 78113 | Falls City, TX | 12.8 mi | 3,026 |
| 78151 | Runge, TX | 13.6 mi | 1,378 |
| 78145 | Pawnee, TX | 16.2 mi | 64 |
| 78147 | Poth, TX | 16.2 mi | 1,532 |
| 78111 | Ecleto, TX | 16.4 mi | 0 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 78118?
A typical home in ZIP code 78118 is worth about $193,200 (Zillow Home Value Index). The median household here earns $60,711 a year. See what buying here would cost per month, with Texas average taxes and insurance filled in.
Monthly payment for a $193,200 homeWhat can a $60,711 income afford?Rental property numbers
About ZIP code 78118
What city is ZIP code 78118?
ZIP code 78118 is in Karnes City, TX, in Karnes County.
What county is ZIP code 78118 in?
78118 is mainly in Karnes County, Texas, and partly in Live Oak County and Atascosa County.
What is the population of ZIP code 78118?
About 4,676 people live in ZIP code 78118, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 78118 in?
78118 is in Central Time (UTC−6). It observes daylight saving time.