Karnes City, TX · standard
ZIP Code 78118
Karnes County, Texas - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 3,976
- 9/sq mi Low-density area
- $60,711
- Median income Below-median income area
- $103,700
- Median home value Below-median home value
- 15.5%
- Bachelor's or higher Below-average bachelor's attainment
National ZIP placement
Karnes City pairs a below-median household income with among the most affordable home values nationally, in a rural, homeowner-dominated area.
- 30th pct
- household income, US ZIPs
- 11th pct
- home value, US ZIPs
- 9
- people per sq mi
- 75%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 78118 against every reporting US ZIP.
ZIP code 78118 covers 467.8 square miles in Karnes City, Karnes County, Texas (a standard USPS delivery area), with a modest 3,976 residents on file, a density of 9 people per square mile, in the Chicago time zone.
ZIP 78118 reports a modest median household income of $60,711 (20% below the average Texas ZIP), while per-capita income is $34,771. The poverty rate is 23.9%, so the area-level income figures should not be treated as typical household experience. Home values sit below the statewide ZIP benchmark: the median is $103,700 (58% below the average Texas ZIP), and median rent is $666; owner occupancy is 74.8%.
Educational attainment sits below the national norm: 15.5% of adults hold a bachelor's degree or higher, the median age is 36.8, and the average commute is -. The page also surfaces 2 ZIP codes within roughly 10 miles and 6 more in Karnes County, so 78118 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 78118
Top 5 sectors by establishment count in Karnes City, TX
Which industries have the most business establishments in ZIP 78118.
- Accommodation and food services
Accommodation and food services
16 establishments
- Transportation and warehousing
Transportation and warehousing
12 establishments
- Other services (except public administration)
Other services (except public administration)
11 establishments
- Mining, quarrying, and oil and gas extraction
Mining, quarrying, and oil and gas extraction
9 establishments
- Retail trade
Retail trade
9 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 78118, Karnes City, TX · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
3,976
Population
467.8
Area (sq mi)
9
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 78118?
36.8
Median Age
57.0%
Male
43.0%
Female
5.2%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$60,711
Median Household Income
-20% vs state ZIP avg
$34,771
Per Capita Income
23.9%
Poverty Rate
5.0%
Unemployment Rate
How ZIP 78118 ranks among Texas ZIPs
Karnes City, TX household income vs. every Texas ZIP code
Median household income among 1,737 reporting Texas ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$60,711 34th percentile higher than 34% of 1,737 Texas ZIPs
Each bar is a $20K-wide band; taller bars hold more Texas ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
1,940housing units
1,940
Total Housing Units
1,525
Occupied Units
415
Vacant Units
2.61
Avg Household Size
Occupancy Type
$103,700
Median Home Value
-58% vs state ZIP avg
$666
Median Rent
1979
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 103 business establishments in ZIP 78118, employing approximately 1,815 people with a combined annual payroll of $107,348,000.
103
Businesses
1,815
Employees
$107.3M
Annual Payroll
13
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Accommodation and food services | 16 | 15.5% |
| Transportation and warehousing | 12 | 11.7% |
| Other services (except public administration) | 11 | 10.7% |
| Mining, quarrying, and oil and gas extraction | 9 | 8.7% |
| Retail trade | 9 | 8.7% |
| Construction | 7 | 6.8% |
| Wholesale trade | 7 | 6.8% |
| Professional, scientific, and technical services | 6 | 5.8% |
| Finance and insurance | 5 | 4.8% |
| Real estate and rental and leasing | 5 | 4.8% |
| Administrative and support and waste management and remediation services | 5 | 4.8% |
| Health care and social assistance | 5 | 4.8% |
| Manufacturing | 3 | 2.9% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 78118 vs 78117 →
ZIP 78118 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 78118
Karnes City (78118)
3,976 residents
- 78117 545
Hobson (78117)
545 residents
- 78144 45
Panna Maria (78144)
45 residents
What this shows Among its immediate neighbors, ZIP 78118 ranks the most populous - useful context the national average alone can't give.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 78118, both outside TX so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (3,976 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Karnes County
Related Areas
Frequently Asked Questions
What county is ZIP code 78118 in?
ZIP code 78118 (Karnes City) is located in Karnes County, Texas. Karnes County contains multiple ZIP codes, see the full list at /counties/karnes-tx.
What is the population of ZIP code 78118?
ZIP code 78118 in Karnes City, TX has a population of 3,976 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 78118?
The median household income in ZIP 78118 is $60,711, which is 20% below the national average of $76,288.
What is the average home value in ZIP 78118?
The median home value in ZIP 78118 is $103,700, which is 63% below the national average of $278,155.
What is the demographic makeup of ZIP 78118?
The largest racial group in ZIP 78118 is White at 47.2%. Hispanic or Latino residents make up 60.9% of the population.
How many businesses are in ZIP code 78118?
ZIP code 78118 has 103 business establishments employing approximately 1,815 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 78118?
The top industries by establishment count in ZIP 78118 are: Accommodation and food services (16), Transportation and warehousing (12), Other services (except public administration) (11). There are 13 industry sectors represented in total.
What is the education level in ZIP code 78118?
In ZIP code 78118, 59.3% of residents aged 25+ have a high school diploma or higher, and 15.5% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 78118?
In ZIP code 78118, approximately 74.8% of occupied housing units are owner-occupied and 25.2% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 78118?
The poverty rate in ZIP code 78118 is 23.9% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 78118's numbers, next.
- See how ZIP 78118 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Karnes City, TX ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.