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Texas ZIP Codes
Dimmit County
Big Wells, TX
78830
78830 ZIP Code — Big Wells, TX
Dimmit County, Texas
ZIP code 78830 is located in
Big Wells ,
Texas ,
within Dimmit County .
It covers approximately 159.67 square miles and serves a population of
479 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 830 .
About ZIP code 78830
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1980s, giving the area an established character. Median home value is $71,300. Owner-occupancy sits near the national average at 73%.
Median household income is $32,188. Poverty affects 42% of residents, above the national average. SNAP benefit usage at 41% of households reflects economic stress in the area. 45% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is sales and office, with education and healthcare as the leading industry. The average commute of 25 minutes is near the national average.
College attainment at 9% is below the national average, consistent with a trades and production-oriented local economy.
Health indicators show elevated rates of obesity (44%), diabetes (25%) compared to national benchmarks. 20% of residents lack health insurance, above the national average.
Notable community characteristics include disability rates above the national average at 23%.
Overall, ZIP code 78830 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, a significant Social Security-dependent population, and elevated reliance on food assistance.
78830 ZIP code map
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Cities in ZIP code 78830
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Nearby ZIP codes
Demographics
updated 06/2026
Population
Total population
479
Population density
3 / sq mi
State FIPS
48
County FIPS
127
Geography
Land area
159.67 sq mi
Water area
0.31 sq mi
Latitude
28.5258
Longitude
-99.5923
Timezone
Central (CT)
Area code
830
Economics
updated 06/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
77.3%
61.2%
39.5%
$50k – $100k
18.6%
22.8%
30.1%
$100k – $200k
4.1%
15.3%
22.6%
Over $200k
0.0%
0.6%
7.8%
Demographics & statistics
$32,188
Median household income
Age distribution
Age summary
Group Count % Under 18 123 25.7% 18 and over 356 74.3% 65 and over 114 23.8% Median age 37.1 years
Race & ethnicity
Group Count % White 265 39.1% Hispanic or Latino 198 29.2% Two or more races 185 27.3% Other race 16 2.4% Asian 13 1.9%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
77.3%
61.2%
39.5%
$50k – $100k
18.6%
22.8%
30.1%
$100k – $200k
4.1%
15.3%
22.6%
Over $200k
0.0%
0.6%
7.8%
Range % of households Under $10k 10.3% $10k–$15k 14.7% $15k–$25k 4.9% $25k–$35k 24.5% $35k–$50k 21.7% $50k–$75k 17.4% $75k–$100k 4.3% $100k–$150k 2.2% Median income $32,188
Housing
Housing overview
Metric Value Median home value $71,300 Median rent / month $760 Owner occupied 73.4% Renter occupied 26.6% Vacant 39.1% Single-family detached 83.4% Large apartment buildings 0.0% Mobile homes 13.6% Median rooms 5.1 Avg household size (owned) 2.54
Year built
Era % 2020 or later 0.0% 2010–2019 5.3% 2000–2009 8.3% 1990–1999 8.3% 1980–1989 26.5% 1970–1979 11.9% 1960–1969 2.6% 1950–1959 17.9% 1940–1949 12.3% 1939 or earlier 7.0%
Bedrooms
Size % of units No bedroom (studio) 0.0% 1 bedroom 4.0% 2 bedrooms 29.1% 3 bedrooms 56.3% 4 bedrooms 6.3% 5+ bedrooms 4.3%
Vehicles per household
Vehicles % of households No vehicle 0.0% 1 vehicle 71.2% 2 vehicles 15.8% 3 or more 13.0%
Heating fuel
Fuel type % Utility gas 3.8% Electricity 88.6% Propane / LP gas 7.6%
Households & families
Household type Count % Married-couple family 49 26.6% Cohabiting couple 25 13.6% Male householder, no spouse 33 17.9% Female householder, no spouse 77 41.8% Households with children under 18 65 35.3% Households with seniors (65+) 95 51.6% Average household size 2.60
Marital status
Status Male Female Never married 28.8% 26.9% Married 47.0% 32.2% Separated 0.0% 4.1% Widowed 5.3% 9.5% Divorced 18.9% 27.3%
Education
Less than 9th grade
22.5%
Some HS, no diploma
16.5%
Some college, no degree
27.0%
Graduate / professional
6.0%
Metric % HS diploma or higher 61.0% Bachelor's or higher 8.6%
School enrollment (ages 3–17)
Type Count % Nursery / preschool 0 0.0% Kindergarten 17 16.2% Elementary school 61 58.1% High school 20 19.0% College / grad school 7 6.7%
Employment
Industry of employment
Education & healthcare
31.7%
Agriculture & mining
20.6%
Professional & management
16.7%
Finance & real estate
7.1%
Transportation & utilities
6.3%
Public administration
2.4%
Occupation
Category % Management, business & arts 11.1% Service 29.4% Sales & office 31.0% Natural resources & construction 16.7% Production & transportation 11.9%
Employment type
Type % Private sector 81.7% Government 12.7% Self-employed 5.6% Unpaid family workers 0.0%
Commute
Method % Drive alone 74.6% Carpool 0.0% Public transit 0.0% Walk 10.3% Work from home 3.2% Other means 11.9% Avg commute (minutes) 24.6
Poverty
Married-couple families
22.4%
Female-led households
57.4%
Income support
Source % of households Social Security 45.1% Retirement income 24.5% Supplemental Security 6.5% Cash public assistance 0.5% Food stamps / SNAP 40.8%
Health indicators
Condition % Obesity 44.4% High blood pressure 44.2% High cholesterol 40.9% Diabetes 24.6% Heart disease 10.9% Stroke 5.2% Asthma 9.2% Arthritis 28.3% Kidney disease 5.6% Pulmonary disease 8.7% Cancer 6.1%
Behavior / access % Smoking 19.3% Binge drinking 13.0% No physical activity 44.8% Less than 7 hrs sleep 33.8% Depression 19.4% Fair or poor health 35.5% Poor mental health 15.4% Poor physical health 18.7% No health insurance 48.8% Visited doctor (checkup) 74.3% Visited dentist 37.7% Cholesterol screening 88.3% Teeth loss 22.2%
Veterans & disability
Veterans Count % Civilian veterans 5 1.4%
Disability % Any disability 23.4% Under 18 1.6% 18–64 years 8.3% 65 and over 78.9%
Health insurance coverage
Type % Private insurance 21.3% Public insurance 63.5% No insurance 19.6% Uninsured under 19 1.4%
Language & origin
Language spoken at home (age 5+)
Language Count % English only 464 96.9% Spanish 74 15.9% Other Indo-European 71 15.3% Asian & Pacific Islander 0 0.0% Other languages 3 0.6%
Place of birth & citizenship
Origin Count % Native born (US) 454 94.8% Born in same state 454 94.8% Born in different state 424 88.5% Foreign born 0 0.0% Naturalized citizen 25 5.2% Not a US citizen 21 84.0%
Ancestry
Ancestry Count % Arab 14 2.9%
Ancestry Count % French 8 1.7%
Technology access
Metric % of households Computer access 38.4% Internet access 90.2%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 78830
What city is ZIP code 78830 in?
ZIP code 78830 is primarily assigned to Big Wells, Texas.
What county is ZIP code 78830 in?
ZIP code 78830 falls within Dimmit County, Texas.
What is the poverty rate in ZIP code 78830?
42% of residents in ZIP code 78830 live below the poverty line, above the national average.
How educated is the population of ZIP code 78830?
9% 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 78830 have a large retiree population?
45% of households in ZIP code 78830 receive Social Security income, suggesting a significant retiree or disability population.
What is the typical home value in ZIP code 78830?
The median home value in ZIP code 78830 is $71,300.
What timezone is ZIP code 78830 in?
ZIP code 78830 observes the CST timezone.
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