78589 ZIP Code — San Juan, TX

Hidalgo County, Texas

ZIP code 78589 is located in San Juan, Texas, within Hidalgo County. It covers approximately 25.49 square miles and serves a population of 40,115 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 956.

About ZIP code 78589

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 $104,500. Owner-occupancy is high at 78%, well above the national average.

Median household income is $50,099. Poverty affects 25% of residents, above the national average. SNAP benefit usage at 28% of households reflects economic stress in the area.

The dominant occupation class is service, with education and healthcare as the leading industry. The average commute of 25 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 diabetes (17%) compared to national benchmarks. 31% of residents lack health insurance, above the national average.

Notable community characteristics include Spanish spoken in 33% of households.

Overall, ZIP code 78589 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, high homeownership, and elevated reliance on food assistance.

40,115

population

25.49

sq mi land

Standard

ZIP type

Central (CT)

timezone

78589 ZIP code map

Cities in ZIP code 78589

Below are the cities the US Postal Service accepts for ZIP code 78589. Using any city not on this list may result in mail delivery delays.

City	Status
San Juan	Acceptable
San Juan	Preferred

Nearby ZIP codes

78577 Pharr (3.4 mi) 78516 Alamo (3.5 mi) 78537 Donna (4.7 mi) 78503 Mcallen (5.8 mi) 78501 Mcallen (6.2 mi) 78557 Hidalgo (7 mi) 78539 Edinburg (8 mi) 78596 Weslaco (9.3 mi) 78504 Mcallen (9.5 mi) 78599 Weslaco (10.3 mi) 78573 Mission (12.8 mi) 78542 Edinburg (13.5 mi)

Demographics updated 06/2026

Population
Total population	40,115
Population density	1,574 / sq mi
State FIPS	48
County FIPS	215

Geography
Land area	25.49 sq mi
Water area	0.08 sq mi
Latitude	26.1638
Longitude	-98.1571
Timezone	Central (CT)
Area code	956

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	58.8%	56.8%	39.5%
$50k – $100k	28.2%	26.0%	30.1%
$100k – $200k	12.1%	14.6%	22.6%
Over $200k	1.0%	2.5%	7.8%

Demographics & statistics

40,115

Population

1,574

People per sq mi

29.5

Median age

$50,099

Median household income

$17,296

Per capita income

$104,500

Median home value

$880

Median monthly rent

77.9%

Home ownership

25.3%

Poverty rate

7.6%

Unemployment

9,933

Housing units

13.6%

Bachelor's or higher

Age distribution

Male Female

1,832

Under 5

1,744

1,608

5–9

1,530

2,340

10–14

2,226

1,758

15–19

1,672

1,546

20–24

1,471

2,507

25–34

2,386

2,406

35–44

2,289

2,438

45–54

2,320

907

55–59

863

950

60–64

903

1,208

65–74

1,149

688

75–84

654

369

85+

351

← Male

Female →

Age summary

Group	Count	%
Under 18	13,244	33.0%
18 and over	26,871	67.0%
65 and over	4,419	11.0%
Median age	29.5 years

Race & ethnicity

White 41.4%

Hispanic or Latino 28.9%

Two or more races 22.8%

Other race 6.6%

Asian 0.1%

Group	Count	%
White	23,395	41.4%
Hispanic or Latino	16,344	28.9%
Two or more races	12,875	22.8%
Other race	3,748	6.6%
Asian	43	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	58.8%	56.8%	39.5%
$50k – $100k	28.2%	26.0%	30.1%
$100k – $200k	12.1%	14.6%	22.6%
Over $200k	1.0%	2.5%	7.8%

Under $10k 4.1%

$10k–$15k 7.5%

$15k–$25k 12.8%

$25k–$35k 9.7%

$35k–$50k 15.7%

$50k–$75k 21.3%

$75k–$100k 13.2%

$100k–$150k 8.9%

$150k–$200k 5.4%

$200k+ 1.4%

Range	% of households
Under $10k	4.1%
$10k–$15k	7.5%
$15k–$25k	12.8%
$25k–$35k	9.7%
$35k–$50k	15.7%
$50k–$75k	21.3%
$75k–$100k	13.2%
$100k–$150k	8.9%
$150k–$200k	5.4%
$200k+	1.4%
Median income	$50,099

Housing

Home values

Under $50k 15.5%

$50k–$100k 32.0%

$100k–$150k 28.0%

$150k–$200k 13.1%

$200k–$300k 8.2%

$300k–$500k 2.9%

$500k–$1M 0.1%

$1M+ 0.2%

Housing overview

Metric	Value
Median home value	$104,500
Median rent / month	$880
Owner occupied	77.9%
Renter occupied	22.1%
Vacant	9.2%
Single-family detached	78.1%
Large apartment buildings	0.0%
Mobile homes	12.5%
Median rooms	5.1
Avg household size (owned)	3.49

Year built

Era	%
2020 or later	0.5%
2010–2019	14.6%
2000–2009	30.5%
1990–1999	21.2%
1980–1989	15.3%
1970–1979	9.0%
1960–1969	4.9%
1950–1959	2.6%
1940–1949	0.9%
1939 or earlier	0.6%

Bedrooms

Size	% of units
No bedroom (studio)	0.4%
1 bedroom	5.2%
2 bedrooms	22.5%
3 bedrooms	50.9%
4 bedrooms	19.0%
5+ bedrooms	2.1%

Vehicles per household

Vehicles	% of households
No vehicle	4.9%
1 vehicle	31.5%
2 vehicles	34.5%
3 or more	29.1%

Heating fuel

Fuel type	%
Utility gas	12.0%
Electricity	83.5%
Propane / LP gas	4.1%
No fuel used	0.4%

Households & families

Household type	Count	%
Married-couple family	6,648	59.0%
Cohabiting couple	588	5.2%
Male householder, no spouse	1,124	10.0%
Female householder, no spouse	2,916	25.9%
Households with children under 18	5,792	51.4%
Households with seniors (65+)	3,196	28.3%
Average household size	3.55

Marital status

Status	Male	Female
Never married	36.7%	32.1%
Married	52.8%	47.5%
Separated	1.9%	5.2%
Widowed	2.8%	5.3%
Divorced	5.7%	10.0%

Education

Less than 9th grade 20.2%

Some HS, no diploma 18.3%

HS graduate 26.6%

Some college, no degree 15.6%

Associate's degree 5.6%

Bachelor's degree 10.3%

Graduate / professional 3.3%

Metric	%
HS diploma or higher	61.5%
Bachelor's or higher	13.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	451	3.5%
Kindergarten	932	7.3%
Elementary school	6,357	49.5%
High school	2,621	20.4%
College / grad school	2,470	19.3%

Employment

Industry of employment

Education & healthcare 23.8%

Construction 12.0%

Retail trade 11.9%

Arts, food & hospitality 10.5%

Professional & management 8.6%

Manufacturing 6.7%

Public administration 6.6%

Transportation & utilities 5.9%

Other services 5.9%

Agriculture & mining 3.2%

Finance & real estate 2.4%

Wholesale trade 1.6%

Information 0.9%

Occupation

Category	%
Management, business & arts	19.8%
Service	24.6%
Sales & office	22.8%
Natural resources & construction	17.3%
Production & transportation	15.4%

Employment type

Type	%
Private sector	76.1%
Government	16.0%
Self-employed	7.9%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	83.6%
Carpool	8.9%
Public transit	0.0%
Walk	0.6%
Work from home	4.5%
Other means	2.4%
Avg commute (minutes)	25.0

Poverty

All people 25.3%

Under 18 years 38.0%

18 and over 19.0%

Married-couple families 13.6%

Female-led households 43.8%

Income support

Source	% of households
Social Security	24.0%
Retirement income	10.1%
Supplemental Security	10.0%
Cash public assistance	1.9%
Food stamps / SNAP	28.4%

Health indicators

Condition	%
Obesity	42.2%
High blood pressure	31.6%
High cholesterol	29.9%
Diabetes	16.8%
Heart disease	5.8%
Stroke	2.9%
Asthma	8.9%
Arthritis	16.6%
Kidney disease	3.4%
Pulmonary disease	5.5%
Cancer	3.6%

Behavior / access	%
Smoking	17.9%
Binge drinking	18.6%
No physical activity	33.4%
Less than 7 hrs sleep	34.0%
Depression	20.9%
Fair or poor health	27.8%
Poor mental health	16.8%
Poor physical health	14.3%
No health insurance	52.6%
Visited doctor (checkup)	66.9%
Visited dentist	48.2%
Cholesterol screening	83.4%
Teeth loss	16.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	730	2.7%

Disability	%
Any disability	11.9%
Under 18	5.7%
18–64 years	8.8%
65 and over	46.6%

Health insurance coverage

Type	%
Private insurance	34.2%
Public insurance	39.2%
No insurance	31.3%
Uninsured under 19	15.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	36,539	91.1%
Spanish	12,069	33.0%
Other Indo-European	12,049	33.0%
Asian & Pacific Islander	0	0.0%
Other languages	20	0.1%

Place of birth & citizenship

Origin	Count	%
Native born (US)	29,665	73.9%
Born in same state	29,369	73.2%
Born in different state	25,872	64.5%
Foreign born	296	0.7%
Naturalized citizen	10,450	26.1%
Not a US citizen	3,688	35.3%

Ancestry

Ancestry	Count	%
Arab	312	0.8%
French	224	0.6%
Italian	48	0.1%

Ancestry	Count	%
English	30	0.1%
Polish	30	0.1%

Technology access

Metric	% of households
Computer access	28.1%
Internet access	88.2%

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

Frequently asked questions about ZIP code 78589

What city is ZIP code 78589 in?

ZIP code 78589 is primarily assigned to San Juan, Texas.

What county is ZIP code 78589 in?

ZIP code 78589 falls within Hidalgo County, Texas.

Is Spanish widely spoken in ZIP code 78589?

Approximately 33% of households in ZIP code 78589 speak Spanish as a primary language.

Is ZIP code 78589 family-oriented?

33% of residents in ZIP code 78589 are under 18, reflecting a younger, family-oriented community.

What is the poverty rate in ZIP code 78589?

25% of residents in ZIP code 78589 live below the poverty line, above the national average.

How educated is the population of ZIP code 78589?

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

What timezone is ZIP code 78589 in?

ZIP code 78589 observes the CST timezone.