78839 ZIP Code — Crystal City, TX

Zavala County, Texas

ZIP code 78839 is located in Crystal City, Texas, within Zavala County. It covers approximately 244.15 square miles and serves a population of 7,415 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 830.

About ZIP code 78839

The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the 1950s, giving the area an established character. Median home value is $79,700. Owner-occupancy sits near the national average at 72%.

Median household income is $57,083. Poverty affects 30% of residents, above the national average. SNAP benefit usage at 33% of households reflects economic stress in the area. 33% 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 16 minutes is near the national average.

College attainment at 14% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of obesity (46%), diabetes (21%) compared to national benchmarks.

Overall, ZIP code 78839 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.

7,415

population

244.15

sq mi land

Standard

ZIP type

Central (CT)

timezone

78839 ZIP code map

Cities in ZIP code 78839

Below are the cities the US Postal Service accepts for ZIP code 78839. Using any city not on this list may result in mail delivery delays.

City	Status
Crystal City	Preferred

Nearby ZIP codes

78829 Batesville (13.7 mi)

Demographics updated 06/2026

Population
Total population	7,415
Population density	30 / sq mi
State FIPS	48
County FIPS	507

Geography
Land area	244.15 sq mi
Water area	1.44 sq mi
Latitude	28.7786
Longitude	-99.7616
Timezone	Central (CT)
Area code	830

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	54.9%	59.4%	39.5%
$50k – $100k	37.4%	33.2%	30.1%
$100k – $200k	6.4%	6.3%	22.6%
Over $200k	1.3%	1.1%	7.8%

Demographics & statistics

7,415

Population

People per sq mi

33.8

Median age

$57,083

Median household income

$22,013

Per capita income

$79,700

Median home value

$816

Median monthly rent

71.6%

Home ownership

29.5%

Poverty rate

6.0%

Unemployment

2,361

Housing units

14.3%

Bachelor's or higher

Age distribution

Male Female

252

Under 5

234

254

5–9

235

347

10–14

321

289

15–19

268

286

20–24

265

558

25–34

517

513

35–44

475

323

45–54

298

242

55–59

224

137

60–64

127

439

65–74

407

105

75–84

104

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	2,117	28.6%
18 and over	5,298	71.4%
65 and over	1,250	16.9%
Median age	33.8 years

Race & ethnicity

White 41.2%

Hispanic or Latino 29.2%

Two or more races 25.1%

Other race 4.1%

Asian 0.3%

Black or African American 0.1%

Group	Count	%
White	4,317	41.2%
Hispanic or Latino	3,058	29.2%
Two or more races	2,627	25.1%
Other race	431	4.1%
Asian	32	0.3%
Black or African American	8	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	54.9%	59.4%	39.5%
$50k – $100k	37.4%	33.2%	30.1%
$100k – $200k	6.4%	6.3%	22.6%
Over $200k	1.3%	1.1%	7.8%

Under $10k 3.7%

$10k–$15k 13.4%

$15k–$25k 5.6%

$25k–$35k 8.2%

$35k–$50k 16.5%

$50k–$75k 14.1%

$75k–$100k 18.1%

$100k–$150k 17.6%

$150k–$200k 1.0%

$200k+ 1.7%

Range	% of households
Under $10k	3.7%
$10k–$15k	13.4%
$15k–$25k	5.6%
$25k–$35k	8.2%
$35k–$50k	16.5%
$50k–$75k	14.1%
$75k–$100k	18.1%
$100k–$150k	17.6%
$150k–$200k	1.0%
$200k+	1.7%
Median income	$57,083

Housing

Home values

Under $50k 29.1%

$50k–$100k 37.7%

$100k–$150k 17.5%

$150k–$200k 3.9%

$200k–$300k 11.6%

$300k–$500k 0.3%

Housing overview

Metric	Value
Median home value	$79,700
Median rent / month	$816
Owner occupied	71.6%
Renter occupied	28.4%
Vacant	11.8%
Single-family detached	64.1%
Large apartment buildings	0.0%
Mobile homes	22.7%
Median rooms	5.6
Avg household size (owned)	2.98

Year built

Era	%
2020 or later	0.0%
2010–2019	4.2%
2000–2009	10.6%
1990–1999	15.9%
1980–1989	7.1%
1970–1979	17.0%
1960–1969	14.4%
1950–1959	19.8%
1940–1949	3.9%
1939 or earlier	7.1%

Bedrooms

Size	% of units
No bedroom (studio)	3.9%
1 bedroom	7.1%
2 bedrooms	10.6%
3 bedrooms	56.6%
4 bedrooms	21.1%
5+ bedrooms	0.7%

Vehicles per household

Vehicles	% of households
No vehicle	4.8%
1 vehicle	31.3%
2 vehicles	38.2%
3 or more	25.7%

Heating fuel

Fuel type	%
Utility gas	7.6%
Electricity	87.3%
Propane / LP gas	5.2%

Households & families

Household type	Count	%
Married-couple family	1,269	45.7%
Cohabiting couple	224	8.1%
Male householder, no spouse	569	20.5%
Female householder, no spouse	716	25.8%
Households with children under 18	1,148	41.3%
Households with seniors (65+)	1,074	38.7%
Average household size	2.65

Marital status

Status	Male	Female
Never married	38.3%	33.3%
Married	47.9%	42.6%
Separated	5.6%	3.2%
Widowed	0.9%	7.7%
Divorced	7.4%	13.3%

Education

Less than 9th grade 17.4%

Some HS, no diploma 8.4%

HS graduate 28.5%

Some college, no degree 22.2%

Associate's degree 9.3%

Bachelor's degree 10.4%

Graduate / professional 4.0%

Metric	%
HS diploma or higher	74.2%
Bachelor's or higher	14.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	64	3.5%
Kindergarten	28	1.5%
Elementary school	803	43.3%
High school	730	39.4%
College / grad school	228	12.3%

Employment

Industry of employment

Education & healthcare 33.4%

Construction 10.7%

Retail trade 9.4%

Agriculture & mining 7.9%

Arts, food & hospitality 7.3%

Other services 6.6%

Transportation & utilities 6.0%

Public administration 5.6%

Wholesale trade 3.9%

Information 3.7%

Manufacturing 2.3%

Professional & management 2.2%

Finance & real estate 1.1%

Occupation

Category	%
Management, business & arts	32.4%
Service	12.9%
Sales & office	18.0%
Natural resources & construction	21.8%
Production & transportation	14.9%

Employment type

Type	%
Private sector	61.0%
Government	21.5%
Self-employed	16.8%
Unpaid family workers	0.7%

Commute

Method	%
Drive alone	88.5%
Carpool	6.5%
Public transit	0.0%
Walk	1.6%
Work from home	3.4%
Other means	0.0%
Avg commute (minutes)	15.8

Poverty

All people 29.5%

Under 18 years 53.3%

18 and over 19.9%

Married-couple families 3.6%

Female-led households 54.1%

Income support

Source	% of households
Social Security	32.8%
Retirement income	16.0%
Supplemental Security	15.3%
Cash public assistance	4.1%
Food stamps / SNAP	32.8%

Health indicators

Condition	%
Obesity	45.6%
High blood pressure	38.0%
High cholesterol	32.9%
Diabetes	20.9%
Heart disease	8.3%
Stroke	4.1%
Asthma	9.4%
Arthritis	22.5%
Kidney disease	4.6%
Pulmonary disease	7.4%
Cancer	4.5%

Behavior / access	%
Smoking	19.7%
Binge drinking	15.6%
No physical activity	43.9%
Less than 7 hrs sleep	36.4%
Depression	20.0%
Fair or poor health	34.0%
Poor mental health	16.9%
Poor physical health	17.4%
No health insurance	51.4%
Visited doctor (checkup)	69.4%
Visited dentist	35.0%
Cholesterol screening	83.8%
Teeth loss	21.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	235	4.5%

Disability	%
Any disability	17.9%
Under 18	5.4%
18–64 years	15.8%
65 and over	45.6%

Health insurance coverage

Type	%
Private insurance	41.7%
Public insurance	55.7%
No insurance	12.0%
Uninsured under 19	2.2%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	6,929	93.4%
Spanish	1,250	18.0%
Other Indo-European	1,250	18.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	6,839	92.2%
Born in same state	6,745	91.0%
Born in different state	6,219	83.9%
Foreign born	94	1.3%
Naturalized citizen	576	7.8%
Not a US citizen	284	49.3%

Ancestry

Ancestry	Count	%
Arab	164	2.2%
Italian	130	1.8%

Ancestry	Count	%
English	20	0.3%

Technology access

Metric	% of households
Computer access	37.5%
Internet access	89.5%

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

Frequently asked questions about ZIP code 78839

What city is ZIP code 78839 in?

ZIP code 78839 is primarily assigned to Crystal City, Texas.

What county is ZIP code 78839 in?

ZIP code 78839 falls within Zavala County, Texas.

What is the poverty rate in ZIP code 78839?

30% of residents in ZIP code 78839 live below the poverty line, above the national average.

How educated is the population of ZIP code 78839?

14% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.

What is the typical home value in ZIP code 78839?

The median home value in ZIP code 78839 is $79,700.

What are the health statistics for ZIP code 78839?

Health data for ZIP code 78839 shows elevated rates of obesity (46%) and diabetes (21%) compared to national benchmarks.

What timezone is ZIP code 78839 in?

ZIP code 78839 observes the CST timezone.