78599 ZIP Code — Weslaco, TX

Hidalgo County, Texas

ZIP code 78599 is located in Weslaco, Texas, within Hidalgo County. It covers approximately 26.52 square miles and serves a population of 35,999 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 956.

About ZIP code 78599

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $97,000. Owner-occupancy sits near the national average at 74%.

Median household income is $56,566. Poverty affects 25% of residents, above the national average. SNAP benefit usage at 34% of households reflects economic stress in the area.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 32 minutes is near the national average.

College attainment at 18% is below the national average, consistent with a trades and production-oriented local economy.

31% of residents lack health insurance, above the national average.

Notable community characteristics include Spanish spoken in 28% of households.

Overall, ZIP code 78599 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, and elevated reliance on food assistance.

35,999

population

26.52

sq mi land

Standard

ZIP type

Central (CT)

timezone

78599 ZIP code map

Cities in ZIP code 78599

Below are the cities the US Postal Service accepts for ZIP code 78599. Using any city not on this list may result in mail delivery delays.

City	Status
Weslaco	Preferred

Nearby ZIP codes

78596 Weslaco (1.2 mi) 78570 Mercedes (5.1 mi) 78537 Donna (5.6 mi) 78516 Alamo (8.2 mi) 78589 San Juan (10.3 mi) 78538 Edcouch (10.5 mi) 78559 La Feria (10.6 mi) 78593 Santa Rosa (11.7 mi) 78539 Edinburg (12.6 mi) 78577 Pharr (13.6 mi) 78552 Harlingen (14 mi) 78542 Edinburg (15.5 mi)

Demographics updated 06/2026

Population
Total population	35,999
Population density	1,357 / sq mi
State FIPS	48
County FIPS	215

Geography
Land area	26.52 sq mi
Water area	0.07 sq mi
Latitude	26.1592
Longitude	-97.9909
Timezone	Central (CT)
Area code	956

Total population by age

Gender

Race & ethnicity

Demographics & statistics

35,999

Population

1,357

People per sq mi

26.6

Median age

$56,566

Median household income

$17,545

Per capita income

$97,000

Median home value

$842

Median monthly rent

74.0%

Home ownership

24.9%

Poverty rate

7.5%

Unemployment

7,340

Housing units

17.7%

Bachelor's or higher

Age distribution

Male Female

2,056

Under 5

2,174

1,514

5–9

1,600

1,812

10–14

1,916

1,491

15–19

1,576

1,486

20–24

1,570

2,397

25–34

2,533

2,136

35–44

2,258

1,886

45–54

1,994

559

55–59

590

702

60–64

742

878

65–74

929

557

75–84

589

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	13,033	36.2%
18 and over	22,966	63.8%
65 and over	3,007	8.4%
Median age	26.6 years

Race & ethnicity

White 35%

Hispanic or Latino 31.7%

Two or more races 23.4%

Other race 8.7%

American Indian / Alaska Native 0.7%

Black or African American 0.4%

Asian 0.1%

Group	Count	%
White	18,419	35%
Hispanic or Latino	16,670	31.7%
Two or more races	12,348	23.4%
Other race	4,580	8.7%
American Indian / Alaska Native	370	0.7%
Black or African American	214	0.4%
Asian	68	0.1%

Household income

Under $10k 10.0%

$10k–$15k 4.5%

$15k–$25k 10.6%

$25k–$35k 9.5%

$35k–$50k 10.2%

$50k–$75k 18.2%

$75k–$100k 19.2%

$100k–$150k 9.6%

$150k–$200k 5.8%

$200k+ 2.4%

Range	% of households
Under $10k	10.0%
$10k–$15k	4.5%
$15k–$25k	10.6%
$25k–$35k	9.5%
$35k–$50k	10.2%
$50k–$75k	18.2%
$75k–$100k	19.2%
$100k–$150k	9.6%
$150k–$200k	5.8%
$200k+	2.4%
Median income	$56,566

Housing

Home values

Under $50k 17.3%

$50k–$100k 34.8%

$100k–$150k 16.4%

$150k–$200k 12.5%

$200k–$300k 14.6%

$300k–$500k 3.8%

$500k–$1M 0.7%

Housing overview

Metric	Value
Median home value	$97,000
Median rent / month	$842
Owner occupied	74.0%
Renter occupied	26.0%
Vacant	7.7%
Single-family detached	74.2%
Large apartment buildings	2.5%
Mobile homes	12.0%
Median rooms	5.2
Avg household size (owned)	4.12

Year built

Era	%
2020 or later	0.5%
2010–2019	16.5%
2000–2009	28.2%
1990–1999	20.4%
1980–1989	19.1%
1970–1979	8.6%
1960–1969	3.3%
1950–1959	1.3%
1940–1949	1.4%
1939 or earlier	0.5%

Bedrooms

Size	% of units
No bedroom (studio)	0.6%
1 bedroom	3.3%
2 bedrooms	20.3%
3 bedrooms	54.6%
4 bedrooms	14.4%
5+ bedrooms	6.8%

Vehicles per household

Vehicles	% of households
No vehicle	4.7%
1 vehicle	30.2%
2 vehicles	35.8%
3 or more	29.4%

Heating fuel

Fuel type	%
Utility gas	5.0%
Electricity	89.0%
Propane / LP gas	4.9%
Solar	0.5%
No fuel used	0.5%

Households & families

Household type	Count	%
Married-couple family	4,866	54.6%
Cohabiting couple	473	5.3%
Male householder, no spouse	1,054	11.8%
Female householder, no spouse	2,527	28.3%
Households with children under 18	4,940	55.4%
Households with seniors (65+)	2,256	25.3%
Average household size	4.03

Marital status

Status	Male	Female
Never married	39.7%	38.1%
Married	50.9%	43.5%
Separated	1.8%	3.3%
Widowed	2.8%	7.5%
Divorced	4.8%	7.6%

Education

Less than 9th grade 19.0%

Some HS, no diploma 14.1%

HS graduate 26.9%

Some college, no degree 18.4%

Associate's degree 3.9%

Bachelor's degree 13.5%

Graduate / professional 4.2%

Metric	%
HS diploma or higher	66.9%
Bachelor's or higher	17.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	604	5.2%
Kindergarten	787	6.8%
Elementary school	5,489	47.2%
High school	2,832	24.3%
College / grad school	1,927	16.6%

Employment

Industry of employment

Education & healthcare 34.5%

Retail trade 10.2%

Arts, food & hospitality 9.2%

Construction 7.1%

Manufacturing 6.6%

Other services 5.8%

Agriculture & mining 5.6%

Transportation & utilities 5.5%

Professional & management 5.5%

Public administration 4.8%

Wholesale trade 2.1%

Finance & real estate 2.1%

Information 1.0%

Occupation

Category	%
Management, business & arts	27.7%
Service	26.2%
Sales & office	17.7%
Natural resources & construction	15.7%
Production & transportation	12.7%

Employment type

Type	%
Private sector	67.5%
Government	22.5%
Self-employed	9.9%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	75.3%
Carpool	10.1%
Public transit	0.3%
Walk	0.5%
Work from home	7.9%
Other means	5.9%
Avg commute (minutes)	31.6

Poverty

All people 24.9%

Under 18 years 33.0%

18 and over 20.4%

Married-couple families 16.4%

Female-led households 37.8%

Income support

Source	% of households
Social Security	25.1%
Retirement income	11.4%
Supplemental Security	10.7%
Cash public assistance	1.9%
Food stamps / SNAP	34.0%

Health indicators

Condition	%
Obesity	0.0%
High blood pressure	0.0%
High cholesterol	0.0%
Diabetes	0.0%
Heart disease	0.0%
Stroke	0.0%
Asthma	0.0%
Arthritis	0.0%
Kidney disease	0.0%
Pulmonary disease	0.0%
Cancer	0.0%

Behavior / access	%
Smoking	0.0%
Binge drinking	0.0%
No physical activity	0.0%
Less than 7 hrs sleep	0.0%
Depression	0.0%
Fair or poor health	0.0%
Poor mental health	0.0%
Poor physical health	0.0%
No health insurance	0.0%
Visited doctor (checkup)	0.0%
Visited dentist	0.0%
Cholesterol screening	0.0%
Teeth loss	0.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	769	3.4%

Disability	%
Any disability	10.5%
Under 18	4.7%
18–64 years	8.9%
65 and over	46.0%

Health insurance coverage

Type	%
Private insurance	33.0%
Public insurance	38.0%
No insurance	31.4%
Uninsured under 19	18.1%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	31,769	88.2%
Spanish	8,914	28.1%
Other Indo-European	8,896	28.0%
Asian & Pacific Islander	18	0.1%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	28,706	79.7%
Born in same state	28,250	78.5%
Born in different state	25,933	72.0%
Foreign born	456	1.3%
Naturalized citizen	7,293	20.3%
Not a US citizen	2,074	28.4%

Ancestry

Ancestry	Count	%
Arab	1,558	4.3%
Italian	366	1%
French	96	0.3%

Ancestry	Count	%
Polish	25	0.1%
English	14	0%
Dutch	9	0%

Technology access

Metric	% of households
Computer access	24.8%
Internet access	93.5%

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

Frequently asked questions about ZIP code 78599

What city is ZIP code 78599 in?

ZIP code 78599 is primarily assigned to Weslaco, Texas.

What county is ZIP code 78599 in?

ZIP code 78599 falls within Hidalgo County, Texas.

Is ZIP code 78599 family-oriented?

36% of residents in ZIP code 78599 are under 18, reflecting a younger, family-oriented community.

Is Spanish widely spoken in ZIP code 78599?

Approximately 28% of households in ZIP code 78599 speak Spanish as a primary language.

What is the poverty rate in ZIP code 78599?

25% of residents in ZIP code 78599 live below the poverty line, above the national average.

What is the typical home value in ZIP code 78599?

The median home value in ZIP code 78599 is $97,000.

What timezone is ZIP code 78599 in?

ZIP code 78599 observes the CST timezone.