Karnack ZIP Codes — Harrison County, TX

There is one unique ZIP code in Karnack, Texas and it is 75661. Area code: 430/903.
1
ZIP codes
128.51
sq mi land
9.27
sq mi water
430/903
area code
Karnack, TX ZIP code map

About Karnack, TX

Karnack, Texas, is a small and charming community located in the northeastern part of the state. Nestled within Harrison County, it is renowned for its rich history and unique character. The city is known for its close-knit community and is a delightful spot for those looking to experience the quieter side of Texas life.

Location & geography

Karnack is situated approximately 24 miles northeast of Longview and about 12 miles from the Texas-Louisiana border. The city spans a total land area of 128.51 square miles, complemented by 9.27 square miles of water. This region features a mix of scenic landscapes, including lush greenery and rivers, making it an attractive location for outdoor enthusiasts.

Community & economy

The character of Karnack is shaped by its friendly residents, who foster a welcoming atmosphere for visitors and newcomers alike. The local economy is primarily driven by agriculture and tourism, with related industries supporting the community’s wellbeing. Daily life in Karnack offers a slow-paced, rural lifestyle where neighbors know each other and local events are a staple of the community spirit.

Transportation

Karnack is accessible via U.S. Highway 80, which connects it to nearby cities and provides a route for commuters and travelers alike. The nearest major airports include East Texas Regional Airport in Longview and Shreveport Regional Airport in Louisiana, both of which facilitate regional and national travel. Public transit options are limited, so personal vehicles are the primary mode of transportation for residents.

History

Karnack was established in the late 19th century and has since developed a unique cultural identity tied to its historical roots. The city has a rich heritage, particularly as a birthplace of notable American figures, which contributes to its local pride. Throughout the years, Karnack has maintained its small-town charm while experiencing growth in tourism and related sectors.

Did you know?

One surprising or little-known fact about Karnack is that it is the birthplace of the famous American writer and humorist, Mark Twain. This connection to literary history adds a distinctive cultural layer to the community’s identity.

ZIP codes for Karnack, TX (1)
ZIP code City County Map
75661 Karnack Harrison View map

Demographics & statistics

2,734
Population
49.5
Median age
$56,600
Median household income
$27,415
Per capita income
$97,200
Median home value
$0
Median monthly rent
85.3%
Home ownership
11.7%
Poverty rate
2.3%
Unemployment
1,499
Housing units
15.8%
Bachelor's or higher

Age distribution

Male Female
58
5–9
56
102
10–14
100
153
15–19
150
89
20–24
87
112
25–34
110
98
35–44
97
268
45–54
263
153
55–59
151
89
60–64
88
144
65–74
142
86
75–84
85
27
85+
26
← Male
Female →

Age summary

GroupCount%
Under 1848217.6%
18 and over2,25282.4%
65 and over51018.7%
Median age49.5 years

Race & ethnicity

White 74.8%
Black or African American 17.5%
Two or more races 6.5%
Hispanic or Latino 0.6%
Other race 0.6%
GroupCount%
White2,05874.8%
Black or African American48117.5%
Two or more races1786.5%
Hispanic or Latino170.6%
Other race170.6%

Household income

Under $10k 11.5%
$10k–$15k 8.6%
$15k–$25k 4.8%
$25k–$35k 16.1%
$35k–$50k 0.8%
$50k–$75k 17.5%
$75k–$100k 12.2%
$100k–$150k 18.2%
$150k–$200k 5.1%
$200k+ 5.1%
Range% of households
Under $10k11.5%
$10k–$15k8.6%
$15k–$25k4.8%
$25k–$35k16.1%
$35k–$50k0.8%
$50k–$75k17.5%
$75k–$100k12.2%
$100k–$150k18.2%
$150k–$200k5.1%
$200k+5.1%
Median income$56,600

Housing

Home values

Under $50k 39.9%
$50k–$100k 11.1%
$100k–$150k 5.3%
$150k–$200k 11.5%
$200k–$300k 17.2%
$300k–$500k 7.4%
$500k–$1M 3.5%
$1M+ 4.1%

Housing overview

MetricValue
Median home value$97,200
Median rent / month$0
Owner occupied85.3%
Renter occupied14.7%
Vacant39.5%
Single-family detached56.1%
Large apartment buildings0.3%
Mobile homes38.6%
Median rooms4.5
Avg household size (owned)2.86

Year built

Era%
2020 or later0.3%
2010–20196.4%
2000–200916.6%
1990–199917.1%
1980–198911.7%
1970–19799.8%
1960–196919.8%
1950–195915.1%
1940–19491.0%
1939 or earlier2.2%

Bedrooms

Size% of units
No bedroom (studio)3.5%
1 bedroom16.4%
2 bedrooms31.6%
3 bedrooms34.0%
4 bedrooms9.7%
5+ bedrooms4.8%

Vehicles per household

Vehicles% of households
No vehicle10.9%
1 vehicle21.0%
2 vehicles39.9%
3 or more28.2%

Heating fuel

Fuel type%
Utility gas8.3%
Electricity76.3%
Propane / LP gas14.0%
Wood1.4%

Households & families

Household typeCount%
Married-couple family52752.9%
Cohabiting couple464.6%
Male householder, no spouse19219.3%
Female householder, no spouse23123.2%
Households with children under 1824724.8%
Households with seniors (65+)38338.5%
Average household size2.74

Marital status

StatusMaleFemale
Never married39.3%37.8%
Married43.5%45.1%
Separated4.6%2.5%
Widowed7.4%8.1%
Divorced5.3%6.5%

Education

Less than 9th grade 6.0%
Some HS, no diploma 16.9%
HS graduate 33.9%
Some college, no degree 22.9%
Associate's degree 4.4%
Bachelor's degree 12.3%
Graduate / professional 3.5%
Metric%
HS diploma or higher77.1%
Bachelor's or higher15.8%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool00.0%
Kindergarten71.1%
Elementary school27044.2%
High school33454.7%
College / grad school00.0%

Employment

Industry of employment

Education & healthcare 26.1%
Construction 17.5%
Arts, food & hospitality 17.2%
Wholesale trade 12.5%
Transportation & utilities 8.4%
Finance & real estate 7.1%
Public administration 3.9%
Retail trade 2.7%
Manufacturing 2.6%
Professional & management 0.8%
Other services 0.6%
Agriculture & mining 0.4%

Occupation

Category%
Management, business & arts18.8%
Service30.4%
Sales & office27.5%
Natural resources & construction8.2%
Production & transportation15.2%

Employment type

Type%
Private sector66.0%
Government26.2%
Self-employed7.8%
Unpaid family workers0.0%

Commute

Method%
Drive alone75.9%
Carpool16.5%
Public transit0.0%
Walk0.0%
Other means0.5%
Avg commute (minutes)25.6

Poverty

All people 11.7%
Under 18 years 23.8%
18 and over 9.1%
Married-couple families 5.9%
Female-led households 27.7%

Income support

Source% of households
Social Security40.7%
Retirement income35.5%
Supplemental Security9.5%
Cash public assistance0.2%
Food stamps / SNAP7.5%

Health indicators

Condition%
High blood pressure44.7%
High cholesterol38.3%
Heart disease8.5%
Stroke4.4%
Asthma10.2%
Arthritis29.1%
Kidney disease3.8%
Pulmonary disease9.2%
Cancer7.1%
Behavior / access%
Binge drinking16.1%
No physical activity27.9%
Less than 7 hrs sleep36.1%
Fair or poor health21.5%
Poor mental health15.4%
Poor physical health13.8%
No health insurance24.8%
Visited doctor (checkup)75.4%
Visited dentist52.3%
Cholesterol screening90.6%
Teeth loss18.5%

Veterans & disability

VeteransCount%
Civilian veterans1627.2%
Disability%
Any disability22.7%
Under 180.8%
18–64 years26.3%
65 and over30.8%

Health insurance coverage

Type%
Private insurance45.1%
Public insurance48.8%
Uninsured under 1914.4%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only2,734100.0%
Spanish1726.3%
Other Indo-European1726.3%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)2,55293.3%
Born in same state2,51291.9%
Born in different state1,32148.3%
Foreign born401.5%
Naturalized citizen1826.7%
Not a US citizen10.5%

Ancestry

AncestryCount%
French35412.9%
Italian2459%
Arab311.1%
AncestryCount%
English20.1%
Dutch20.1%

Technology access

Metric% of households
Computer access36.4%
Internet access80.0%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions
What ZIP codes does Karnack, TX have?
Karnack, TX has one ZIP code: 75661. Each ZIP code serves a distinct delivery area within the city and surrounding region.
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