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Texas ZIP Codes
Lamb County
Earth, TX
79031
79031 ZIP Code — Earth, TX
Lamb County, Texas
ZIP code 79031 is located in
Earth ,
Texas ,
within Lamb County .
It covers approximately 103.14 square miles and serves a population of
1,263 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 806 .
About ZIP code 79031
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1960s, giving the area an established character. Median home value is $91,800. Owner-occupancy is high at 76%, well above the national average.
Median household income is $50,455. SNAP benefit usage at 18% of households reflects economic stress in the area. 47% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 19 minutes is near the national average.
College attainment at 10% is below the national average, consistent with a trades and production-oriented local economy.
16% of residents lack health insurance, above the national average.
Overall, ZIP code 79031 reflects a community defined by a trades-oriented workforce, high homeownership, a significant Social Security-dependent population, and elevated reliance on food assistance.
79031 ZIP code map
View map of 79031
Cities in ZIP code 79031
Below are the cities the US Postal Service accepts for ZIP code 79031. Using any city not on this list may result in mail delivery delays.
City
Status
Earth
Preferred
Nearby ZIP codes
Demographics
updated 06/2026
Population
Total population
1,263
Population density
12 / sq mi
State FIPS
48
County FIPS
279
Geography
Land area
103.14 sq mi
Water area
0.01 sq mi
Latitude
34.2082
Longitude
-102.4610
Timezone
Central (CT)
Area code
806
Economics
updated 06/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
48.2%
53.7%
39.5%
$50k – $100k
34.3%
32.1%
30.1%
$100k – $200k
12.9%
12.5%
22.6%
Over $200k
4.6%
1.7%
7.8%
Demographics & statistics
$50,455
Median household income
Age distribution
Age summary
Group Count % Under 18 322 25.5% 18 and over 941 74.5% 65 and over 271 21.5% Median age 40.2 years
Race & ethnicity
Black or African American
4%
American Indian / Alaska Native
2.9%
Group Count % White 926 62.4% Hispanic or Latino 222 14.9% Two or more races 202 13.6% Black or African American 59 4% American Indian / Alaska Native 43 2.9% Other race 33 2.2%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
48.2%
53.7%
39.5%
$50k – $100k
34.3%
32.1%
30.1%
$100k – $200k
12.9%
12.5%
22.6%
Over $200k
4.6%
1.7%
7.8%
Range % of households Under $10k 7.8% $10k–$15k 2.5% $15k–$25k 16.5% $25k–$35k 11.9% $35k–$50k 10.8% $50k–$75k 9.5% $75k–$100k 12.9% $100k–$150k 21.0% $150k–$200k 0.6% $200k+ 6.4% Median income $50,455
Housing
Housing overview
Metric Value Median home value $91,800 Median rent / month $761 Owner occupied 76.3% Renter occupied 23.7% Vacant 25.4% Single-family detached 86.4% Large apartment buildings 0.0% Mobile homes 11.5% Median rooms 5.6 Avg household size (owned) 2.60
Year built
Era % 2020 or later 0.0% 2010–2019 0.0% 2000–2009 0.0% 1990–1999 11.4% 1980–1989 1.7% 1970–1979 19.0% 1960–1969 27.5% 1950–1959 23.1% 1940–1949 15.5% 1939 or earlier 1.9%
Bedrooms
Size % of units No bedroom (studio) 0.5% 1 bedroom 2.5% 2 bedrooms 36.2% 3 bedrooms 50.2% 4 bedrooms 9.5% 5+ bedrooms 1.1%
Vehicles per household
Vehicles % of households No vehicle 8.7% 1 vehicle 31.8% 2 vehicles 26.7% 3 or more 32.8%
Heating fuel
Fuel type % Utility gas 55.5% Electricity 40.9% Propane / LP gas 0.8%
Households & families
Household type Count % Married-couple family 183 38.8% Cohabiting couple 25 5.3% Male householder, no spouse 136 28.8% Female householder, no spouse 128 27.1% Households with children under 18 146 30.9% Households with seniors (65+) 197 41.7% Average household size 2.68
Marital status
Status Male Female Never married 36.2% 19.7% Married 40.4% 39.9% Separated 4.8% 6.1% Widowed 15.2% 18.6% Divorced 3.5% 15.7%
Education
Less than 9th grade
15.2%
Some college, no degree
21.1%
Graduate / professional
1.1%
Metric % HS diploma or higher 75.0% Bachelor's or higher 9.8%
School enrollment (ages 3–17)
Type Count % Nursery / preschool 20 6.9% Kindergarten 0 0.0% Elementary school 146 50.3% High school 99 34.1% College / grad school 25 8.6%
Employment
Industry of employment
Transportation & utilities
20.1%
Education & healthcare
18.8%
Agriculture & mining
14.3%
Public administration
5.8%
Finance & real estate
2.1%
Professional & management
1.3%
Arts, food & hospitality
1.1%
Occupation
Category % Management, business & arts 27.3% Service 13.5% Sales & office 17.9% Natural resources & construction 20.7% Production & transportation 20.7%
Employment type
Type % Private sector 74.8% Government 20.5% Self-employed 4.7% Unpaid family workers 0.0%
Commute
Method % Drive alone 80.0% Carpool 17.0% Public transit 0.0% Walk 0.0% Work from home 3.1% Other means 0.0% Avg commute (minutes) 18.5
Poverty
Married-couple families
4.4%
Female-led households
18.3%
Income support
Source % of households Social Security 47.0% Retirement income 7.4% Supplemental Security 10.8% Cash public assistance 1.7% Food stamps / SNAP 18.4%
Health indicators
Condition % Obesity 37.5% High blood pressure 36.1% High cholesterol 36.0% Diabetes 14.1% Heart disease 7.4% Stroke 3.4% Asthma 8.8% Arthritis 24.1% Kidney disease 3.4% Pulmonary disease 7.1% Cancer 6.3%
Behavior / access % Smoking 17.3% Binge drinking 17.1% No physical activity 29.9% Less than 7 hrs sleep 33.1% Depression 20.7% Fair or poor health 20.9% Poor mental health 14.8% Poor physical health 12.7% No health insurance 35.4% Visited doctor (checkup) 71.3% Visited dentist 50.8% Cholesterol screening 89.0% Teeth loss 16.3%
Veterans & disability
Veterans Count % Civilian veterans 66 7.0%
Disability % Any disability 21.7% Under 18 6.5% 18–64 years 12.5% 65 and over 62.4%
Health insurance coverage
Type % Private insurance 60.3% Public insurance 38.6% No insurance 16.4% Uninsured under 19 10.5%
Language & origin
Language spoken at home (age 5+)
Language Count % English only 1,174 93.0% Spanish 101 8.6% Other Indo-European 96 8.2% Asian & Pacific Islander 5 0.4% Other languages 0 0.0%
Place of birth & citizenship
Origin Count % Native born (US) 1,185 93.8% Born in same state 1,176 93.1% Born in different state 970 76.8% Foreign born 9 0.7% Naturalized citizen 78 6.2% Not a US citizen 18 23.1%
Ancestry
Ancestry Count % Italian 82 6.5% Arab 69 5.5%
Ancestry Count % French 28 2.2%
Technology access
Metric % of households Computer access 37.4% Internet access 73.3%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 79031
What city is ZIP code 79031 in?
ZIP code 79031 is primarily assigned to Earth, Texas.
What county is ZIP code 79031 in?
ZIP code 79031 falls within Lamb County, Texas.
How educated is the population of ZIP code 79031?
10% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.
Does ZIP code 79031 have a large retiree population?
47% of households in ZIP code 79031 receive Social Security income, suggesting a significant retiree or disability population.
What is the typical home value in ZIP code 79031?
The median home value in ZIP code 79031 is $91,800.
What is the population of ZIP code 79031?
ZIP code 79031 has an estimated population of 1,263 residents, with a density of 12 people per square mile.
What timezone is ZIP code 79031 in?
ZIP code 79031 observes the CST timezone.
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