78017 ZIP Code — Dilley, TX

Frio County, Texas

ZIP code 78017 is located in Dilley, Texas, within Frio County. It covers approximately 403.42 square miles and serves a population of 5,471 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 830.

About ZIP code 78017

The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $106,300. Owner-occupancy sits near the national average at 74%.

Median household income is $72,188. 38% 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 18 minutes is near the national average.

College attainment at 12% is below the national average, consistent with a trades and production-oriented local economy.

Overall, ZIP code 78017 reflects a community defined by a trades-oriented workforce and a significant Social Security-dependent population.

5,471

population

403.42

sq mi land

Standard

ZIP type

Central (CT)

timezone

78017 ZIP code map

Cities in ZIP code 78017

Below are the cities the US Postal Service accepts for ZIP code 78017. Using any city not on this list may result in mail delivery delays.

City	Status
Dilley	Acceptable
Dilley	Preferred

Nearby ZIP codes

78061 Pearsall (11.5 mi)

Demographics updated 06/2026

Population
Total population	5,471
Population density	14 / sq mi
State FIPS	48
County FIPS	163

Geography
Land area	403.42 sq mi
Water area	0.23 sq mi
Latitude	28.7423
Longitude	-99.2323
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	54.5%	50.3%	39.5%
$50k – $100k	28.4%	32.4%	30.1%
$100k – $200k	14.7%	15.2%	22.6%
Over $200k	2.4%	2.1%	7.8%

Demographics & statistics

5,471

Population

People per sq mi

32.9

Median age

$72,188

Median household income

$20,391

Per capita income

$106,300

Median home value

$697

Median monthly rent

74.3%

Home ownership

12.6%

Poverty rate

1.1%

Unemployment

1,203

Housing units

11.7%

Bachelor's or higher

Age distribution

Male Female

225

Under 5

109

269

5–9

131

204

10–14

281

15–19

137

343

20–24

167

610

25–34

296

747

35–44

363

356

45–54

173

142

55–59

197

60–64

114

65–74

75–84

104

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,362	24.9%
18 and over	4,109	75.1%
65 and over	458	8.4%
Median age	32.9 years

Race & ethnicity

White 48.4%

Hispanic or Latino 21.1%

Two or more races 18%

Black or African American 7.7%

Other race 4.2%

American Indian / Alaska Native 0.5%

Asian 0.1%

Group	Count	%
White	3,356	48.4%
Hispanic or Latino	1,466	21.1%
Two or more races	1,247	18%
Black or African American	536	7.7%
Other race	293	4.2%
American Indian / Alaska Native	34	0.5%
Asian	5	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	54.5%	50.3%	39.5%
$50k – $100k	28.4%	32.4%	30.1%
$100k – $200k	14.7%	15.2%	22.6%
Over $200k	2.4%	2.1%	7.8%

Under $10k 5.3%

$10k–$15k 8.2%

$15k–$25k 11.0%

$25k–$35k 8.5%

$35k–$50k 6.9%

$50k–$75k 14.5%

$75k–$100k 6.5%

$100k–$150k 35.0%

$150k–$200k 2.2%

$200k+ 1.9%

Range	% of households
Under $10k	5.3%
$10k–$15k	8.2%
$15k–$25k	11.0%
$25k–$35k	8.5%
$35k–$50k	6.9%
$50k–$75k	14.5%
$75k–$100k	6.5%
$100k–$150k	35.0%
$150k–$200k	2.2%
$200k+	1.9%
Median income	$72,188

Housing

Home values

Under $50k 15.6%

$50k–$100k 31.3%

$100k–$150k 20.1%

$150k–$200k 20.2%

$200k–$300k 12.8%

Housing overview

Metric	Value
Median home value	$106,300
Median rent / month	$697
Owner occupied	74.3%
Renter occupied	25.7%
Vacant	29.4%
Single-family detached	55.8%
Large apartment buildings	0.2%
Mobile homes	27.4%
Median rooms	5.1
Avg household size (owned)	3.31

Year built

Era	%
2020 or later	0.0%
2010–2019	14.1%
2000–2009	14.8%
1990–1999	11.3%
1980–1989	18.2%
1970–1979	21.6%
1960–1969	8.0%
1950–1959	7.1%
1940–1949	2.3%
1939 or earlier	2.6%

Bedrooms

Size	% of units
No bedroom (studio)	0.4%
1 bedroom	8.4%
2 bedrooms	24.3%
3 bedrooms	48.1%
4 bedrooms	18.8%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	8.3%
1 vehicle	24.6%
2 vehicles	47.7%
3 or more	19.4%

Heating fuel

Fuel type	%
Utility gas	3.5%
Electricity	94.0%
Propane / LP gas	2.4%
No fuel used	0.1%

Households & families

Household type	Count	%
Married-couple family	581	56.0%
Cohabiting couple	50	4.8%
Male householder, no spouse	195	18.8%
Female householder, no spouse	211	20.3%
Households with children under 18	402	38.8%
Households with seniors (65+)	333	32.1%
Average household size	3.33

Marital status

Status	Male	Female
Never married	54.0%	30.4%
Married	27.9%	47.3%
Separated	1.9%	1.9%
Widowed	2.8%	12.0%
Divorced	13.4%	8.2%

Education

Less than 9th grade 8.8%

Some HS, no diploma 15.7%

HS graduate 41.5%

Some college, no degree 13.5%

Associate's degree 8.8%

Bachelor's degree 5.9%

Graduate / professional 5.8%

Metric	%
HS diploma or higher	75.5%
Bachelor's or higher	11.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	173	11.0%
Kindergarten	98	6.2%
Elementary school	559	35.6%
High school	455	29.0%
College / grad school	284	18.1%

Employment

Industry of employment

Education & healthcare 13.1%

Agriculture & mining 12.9%

Other services 12.5%

Wholesale trade 10.7%

Retail trade 10.6%

Public administration 9.4%

Professional & management 8.7%

Finance & real estate 5.6%

Arts, food & hospitality 4.8%

Manufacturing 4.5%

Transportation & utilities 4.5%

Construction 2.7%

Occupation

Category	%
Management, business & arts	27.6%
Service	13.2%
Sales & office	31.2%
Natural resources & construction	12.7%
Production & transportation	15.3%

Employment type

Type	%
Private sector	76.3%
Government	16.0%
Self-employed	7.7%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	67.4%
Carpool	14.8%
Public transit	0.0%
Walk	5.6%
Work from home	9.1%
Other means	3.1%
Avg commute (minutes)	17.9

Poverty

All people 12.6%

Under 18 years 15.5%

18 and over 11.6%

Married-couple families 14.5%

Female-led households 13.2%

Income support

Source	% of households
Social Security	38.4%
Retirement income	9.7%
Supplemental Security	6.0%
Cash public assistance	2.2%
Food stamps / SNAP	11.7%

Health indicators

Condition	%
Obesity	39.0%
High blood pressure	31.3%
High cholesterol	30.9%
Diabetes	12.5%
Heart disease	5.5%
Stroke	2.6%
Asthma	8.2%
Arthritis	17.4%
Kidney disease	2.8%
Pulmonary disease	5.2%
Cancer	3.9%

Behavior / access	%
Smoking	19.3%
Binge drinking	20.0%
No physical activity	32.9%
Less than 7 hrs sleep	36.7%
Depression	18.8%
Fair or poor health	22.3%
Poor mental health	15.6%
Poor physical health	11.8%
No health insurance	46.5%
Visited doctor (checkup)	65.7%
Visited dentist	43.3%
Cholesterol screening	82.6%
Teeth loss	17.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	159	3.9%

Disability	%
Any disability	19.3%
Under 18	23.7%
18–64 years	9.7%
65 and over	64.2%

Health insurance coverage

Type	%
Private insurance	70.3%
Public insurance	21.7%
No insurance	11.7%
Uninsured under 19	6.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	5,137	93.9%
Spanish	736	14.3%
Other Indo-European	736	14.3%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	4,859	88.8%
Born in same state	4,859	88.8%
Born in different state	4,377	80.0%
Foreign born	0	0.0%
Naturalized citizen	612	11.2%
Not a US citizen	101	16.5%

Ancestry

Ancestry	Count	%
Italian	441	8.1%
Arab	181	3.3%
French	102	1.9%

Ancestry	Count	%
English	49	0.9%
Polish	13	0.2%
German	1	0%

Technology access

Metric	% of households
Computer access	19.0%
Internet access	85.2%

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

Frequently asked questions about ZIP code 78017

What city is ZIP code 78017 in?

ZIP code 78017 is primarily assigned to Dilley, Texas.

What county is ZIP code 78017 in?

ZIP code 78017 falls within Frio County, Texas.

How educated is the population of ZIP code 78017?

12% 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 78017 have a large retiree population?

38% of households in ZIP code 78017 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 78017?

The median home value in ZIP code 78017 is $106,300.

What is the population of ZIP code 78017?

ZIP code 78017 has an estimated population of 5,471 residents, with a density of 14 people per square mile.

What timezone is ZIP code 78017 in?

ZIP code 78017 observes the CST timezone.