Dilley ZIP Code List — Frio County, TX

There is one unique ZIP code in Dilley, Texas and it is 78017. Area code: 830.

ZIP codes

403.42

sq mi land

0.23

sq mi water

830

area code

Dilley, TX ZIP code map

About Dilley, TX

Dilley, Texas, is a small city located in the southern part of the state, characterized by its close-knit community and rich cultural heritage. It is the only municipality within Frio County, known for its friendly residents and welcoming atmosphere. The city's charm and history make it a unique destination in Texas.

Location & geography

Dilley is situated approximately 80 miles southwest of San Antonio, offering a blend of rural and suburban living. The city is surrounded by several other towns including Pearsall to the north, about 23 miles away, and La Salle to the east, approximately 15 miles distant. The total land area of Dilley is 403.42 square miles, with a small water area of 0.23 square miles contributing to its diverse terrain.

Community & economy

The character of Dilley reflects a mix of traditional Texan culture and modern influences, where community events play a significant role in daily life. The local economy is supported by agriculture and various small businesses, providing essential services to residents. Daily life in Dilley is centered around its community spirit, with neighbors frequently gathering for local events and celebrations.

Transportation

Dilley is easily accessible via major highways, including US Route 85, which connects the city to larger urban centers in the region. The nearest airport is the San Antonio International Airport, located about 80 miles to the northeast. Public transport options are limited, making personal vehicles the primary mode of transportation for residents.

History

Dilley was founded in the late 19th century and has since evolved into a vibrant community within Frio County. Agriculture has historically been a key industry in the area, shaping its economy and culture over the years. Notable events in its history include the establishment of local festivals that celebrate the city’s unique cultural heritage.

Did you know?

One surprising fact about Dilley is its name, which is derived from the Dilley family, who were early settlers in the area. Additionally, Dilley is known for its annual events that attract visitors from surrounding regions, celebrating local traditions and heritage.

ZIP codes for Dilley, TX (1)

ZIP code	City	County	Map
78017	Dilley	Frio	View map

Demographics & statistics

5,471

Population

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

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%
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	%
High blood pressure	31.3%
High cholesterol	30.9%
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	%
Binge drinking	20.0%
No physical activity	32.9%
Less than 7 hrs sleep	36.7%
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%
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

What is the ZIP code for Dilley, TX?

Dilley, TX has one ZIP code: 78017.

What is the main ZIP code for Dilley, TX?

The primary ZIP code for Dilley, TX is 78017. The city uses area code 830 for phone service.

What county is Dilley, TX in?

Dilley is located in Frio County, Texas.

How many ZIP codes are in Dilley, TX?

Dilley, TX has 1 ZIP code.

What ZIP code covers the downtown area of Dilley, Texas?

The downtown area of Dilley is located in ZIP code 78017, which serves as the primary commercial and civic center of this Frio County city.

What is the ZIP code for residential areas in Dilley, TX?

Residential neighborhoods throughout Dilley, Texas use ZIP code 78017, which encompasses the entire incorporated city limits in Frio County.