Sullivan City ZIP Code List — Hidalgo County, TX

There is one unique ZIP code in Sullivan City, Texas and it is 78595. Area code: 956.

ZIP codes

30.53

sq mi land

0.00

sq mi water

956

area code

Sullivan City, TX ZIP code map

About Sullivan City, TX

Sullivan City, Texas, is a small city located in Hidalgo County. Known for its warm climate and close-knit community, it offers a blend of rural charm and local amenities. The city is primarily residential and serves as a quiet retreat for those seeking tranquility away from larger urban areas.

Location & geography

Sullivan City is situated in the southern part of Texas and is surrounded by the scenic landscapes typical of the Rio Grande Valley. The city is about 25 miles from McAllen and Mission, both of which are larger cities in the region, while it is approximately 15 miles from the international border with Mexico. Covering a total area of 30.53 square miles, Sullivan City has no significant water bodies within its limits.

Community & economy

The character of Sullivan City is marked by a friendly, welcoming atmosphere that is characteristic of small-town Texas. Many residents engage in agriculture and local businesses as key contributors to the local economy, while the community values its cultural roots and traditions. Daily life here is reflective of a slower pace, with local gatherings and events serving as important social outlets.

Transportation

Sullivan City is conveniently accessible via Interstate Highway 2, which connects to nearby cities and provides efficient travel routes. The nearest major airport is McAllen-Miller International Airport, located about 20 miles away, catering to both domestic and international flights. Public transportation options are limited, but personal vehicles are the primary mode of transport for residents.

History

Sullivan City was founded in the early 20th century, primarily as an agricultural community supported by the rich farmland in the region. Key industries have historically revolved around farming, particularly producing citrus fruits and vegetables. Notable events in the city's history include growth spurts during the agricultural booms in the 1920s and 1950s.

Did you know?

A little-known fact about Sullivan City is that it has a strong cultural influence from both American and Mexican heritages, which is reflected in local festivals and celebrations. Additionally, the city's name pays homage to one of its early settlers, adding a historical touch to its identity.

ZIP codes for Sullivan City, TX (1)

ZIP code	City	County	Map
78595	Sullivan City	Hidalgo	View map

Demographics & statistics

6,128

Population

33.1

Median age

$46,125

Median household income

$16,566

Per capita income

$76,500

Median home value

$566

Median monthly rent

82.9%

Home ownership

25.5%

Poverty rate

7.3%

Unemployment

1,708

Housing units

5.9%

Bachelor's or higher

Age distribution

Male Female

406

Under 5

502

100

5–9

124

341

10–14

421

182

15–19

225

141

20–24

173

438

25–34

541

212

35–44

261

396

45–54

490

178

55–59

219

126

60–64

155

153

65–74

190

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	2,108	34.4%
18 and over	4,020	65.6%
65 and over	497	8.1%
Median age	33.1 years

Race & ethnicity

White 35.5%

Hispanic or Latino 32.2%

Two or more races 22%

Other race 10.2%

Group	Count	%
White	3,214	35.5%
Hispanic or Latino	2,914	32.2%
Two or more races	1,988	22%
Other race	926	10.2%

Household income

Under $10k 9.8%

$10k–$15k 12.5%

$15k–$25k 11.8%

$25k–$35k 4.5%

$35k–$50k 13.2%

$50k–$75k 16.0%

$75k–$100k 7.0%

$100k–$150k 25.2%

Range	% of households
Under $10k	9.8%
$10k–$15k	12.5%
$15k–$25k	11.8%
$25k–$35k	4.5%
$35k–$50k	13.2%
$50k–$75k	16.0%
$75k–$100k	7.0%
$100k–$150k	25.2%
Median income	$46,125

Housing

Home values

Under $50k 19.3%

$50k–$100k 63.8%

$100k–$150k 11.5%

$150k–$200k 0.5%

$200k–$300k 4.1%

$300k–$500k 0.7%

Housing overview

Metric	Value
Median home value	$76,500
Median rent / month	$566
Owner occupied	82.9%
Renter occupied	17.1%
Vacant	8.5%
Single-family detached	85.6%
Large apartment buildings	0.0%
Mobile homes	12.5%
Median rooms	4.8
Avg household size (owned)	3.28

Year built

Era	%
2020 or later	0.4%
2010–2019	8.8%
2000–2009	38.6%
1990–1999	30.8%
1980–1989	14.6%
1970–1979	3.1%
1960–1969	1.4%
1950–1959	1.0%
1940–1949	0.0%
1939 or earlier	1.4%

Bedrooms

Size	% of units
No bedroom (studio)	0.7%
1 bedroom	10.9%
2 bedrooms	23.2%
3 bedrooms	50.6%
4 bedrooms	12.0%
5+ bedrooms	2.5%

Vehicles per household

Vehicles	% of households
No vehicle	9.3%
1 vehicle	28.8%
2 vehicles	30.2%
3 or more	31.7%

Heating fuel

Fuel type	%
Electricity	98.1%
Propane / LP gas	0.7%
No fuel used	1.2%

Households & families

Household type	Count	%
Married-couple family	1,283	69.2%
Cohabiting couple	25	1.3%
Male householder, no spouse	126	6.8%
Female householder, no spouse	419	22.6%
Households with children under 18	1,012	54.6%
Households with seniors (65+)	433	23.4%
Average household size	3.31

Marital status

Status	Male	Female
Never married	29.5%	29.6%
Married	64.8%	57.6%
Separated	1.8%	2.7%
Widowed	2.1%	6.3%
Divorced	1.8%	3.7%

Education

Less than 9th grade 28.9%

Some HS, no diploma 11.0%

HS graduate 24.6%

Some college, no degree 26.8%

Associate's degree 2.9%

Bachelor's degree 4.0%

Graduate / professional 1.9%

Metric	%
HS diploma or higher	60.2%
Bachelor's or higher	5.9%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	118	5.6%
Kindergarten	361	17.2%
Elementary school	725	34.5%
High school	484	23.0%
College / grad school	414	19.7%

Employment

Industry of employment

Education & healthcare 49.7%

Agriculture & mining 9.1%

Retail trade 7.4%

Construction 6.7%

Transportation & utilities 6.2%

Professional & management 4.6%

Arts, food & hospitality 3.6%

Manufacturing 3.4%

Other services 3.2%

Wholesale trade 2.5%

Finance & real estate 2.3%

Public administration 0.8%

Information 0.4%

Occupation

Category	%
Management, business & arts	13.8%
Service	42.0%
Sales & office	12.7%
Natural resources & construction	17.4%
Production & transportation	14.1%

Employment type

Type	%
Private sector	78.2%
Government	13.3%
Self-employed	8.5%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	68.0%
Carpool	26.0%
Public transit	0.0%
Walk	0.0%
Other means	0.8%
Avg commute (minutes)	28.6

Poverty

All people 25.5%

Under 18 years 31.5%

18 and over 22.4%

Married-couple families 19.1%

Female-led households 45.1%

Income support

Source	% of households
Social Security	31.5%
Retirement income	10.0%
Supplemental Security	7.3%
Cash public assistance	0.0%
Food stamps / SNAP	36.0%

Health indicators

Condition	%
High blood pressure	37.1%
High cholesterol	32.6%
Heart disease	7.6%
Stroke	4.2%
Asthma	10.3%
Arthritis	19.7%
Kidney disease	4.6%
Pulmonary disease	8.5%
Cancer	3.3%

Behavior / access	%
Binge drinking	16.6%
No physical activity	44.4%
Less than 7 hrs sleep	37.0%
Fair or poor health	40.9%
Poor mental health	19.9%
Poor physical health	20.4%
No health insurance	61.8%
Visited doctor (checkup)	67.0%
Visited dentist	33.9%
Cholesterol screening	78.8%
Teeth loss	26.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	42	1.0%

Disability	%
Any disability	12.1%
Under 18	0.3%
18–64 years	13.5%
65 and over	52.1%

Health insurance coverage

Type	%
Private insurance	21.3%
Public insurance	34.3%
Uninsured under 19	44.3%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	5,220	85.2%
Spanish	2,292	43.9%
Other Indo-European	2,292	43.9%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	4,352	71.0%
Born in same state	4,270	69.7%
Born in different state	3,807	62.1%
Foreign born	82	1.3%
Naturalized citizen	1,776	29.0%
Not a US citizen	383	21.6%

Ancestry

Ancestry	Count	%
Arab	37	0.6%

Technology access

Metric	% of households
Computer access	30.2%
Internet access	94.7%

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

Frequently asked questions

What is the ZIP code for Sullivan City, TX?

Sullivan City, TX has one ZIP code: 78595.

What is the main ZIP code for Sullivan City, TX?

The primary ZIP code for Sullivan City, TX is 78595. The city uses area code 956 for phone service.

What county is Sullivan City, TX in?

Sullivan City is located in Hidalgo County, Texas.

How many ZIP codes are in Sullivan City, TX?

Sullivan City, TX has 1 ZIP code.

What ZIP code covers the downtown area of Sullivan City, Texas?

The downtown area of Sullivan City is located in ZIP code 78595, which serves as the primary postal code for this Hidalgo County community.

What is the ZIP code for businesses and residences along the main commercial corridor in Sullivan City, TX?

Sullivan City's main commercial and residential areas are all serviced by ZIP code 78595, the sole ZIP code for this city in Hidalgo County.