PlainZIP

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
$60,711
Median income
$103,700
Median home value
15.5%
Bachelor's or higher

The verdict

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 Texas average), while per-capita income is $34,771. Poverty here runs at 23.9%, with unemployment measured at 5.0%. On housing, the median home value is $103,700 (58% below the state average) with median rent at $666 per month, and 74.8% of occupied units are owner-occupied.

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 -. To put 78118 in local context, 2 ZIP codes within roughly 10 miles appear further down this page alongside 6 additional ZIPs in Karnes County, for a geography-aware comparison.

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.

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 · ZIP Code Business Patterns (ZBP) As of 2023

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

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 78118?

36.8

Median Age

57.0%

Male

43.0%

Female

5.2%

Foreign-Born

White 47.2%
African American 5.5%
Asian 0.0%
American Indian or Alaska Native 0.2%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 27.4%
Hispanic or Latino 60.9%

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

$34,771

Per Capita Income

23.9%

Poverty Rate

5.0%

Unemployment Rate

How ZIP 78118 ranks nationally

Karnes City, TX household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$60,711 30th percentile higher than 30% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). This entry sits in this band. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US 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?

High School Graduate or Higher 59.3%
Bachelor's Degree or Higher 15.5%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

1,940

Total Housing Units

1,525

Occupied Units

415

Vacant Units

2.61

Avg Household Size

Occupancy Type

Owner 74.8%
Renter 25.2%

$103,700

Median Home Value

-58% vs state

$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.

residents

What this shows Among its immediate neighbors, ZIP 78118 ranks the most populous - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
78117 Hobson, TX 545 4.0 mi
78144 Panna Maria, TX 45 6.1 mi

More ZIP Codes in Karnes County

78119 standard
Kenedy, TX
Pop: 7,680
78113 standard
Falls City, TX
Pop: 2,435
78151 standard
Runge, TX
Pop: 1,347
78117 standard
Hobson, TX
Pop: 545
78116 standard
Gillett, TX
Pop: 390
78144 standard
Panna Maria, TX
Pop: 45

Related Areas

Karnes County Karnes City, TX Texas

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.

Read our methodology to see how this data is sourced, computed, and verified.