78557 ZIP Code — Hidalgo, TX

Hidalgo County, Texas

ZIP code 78557 is located in Hidalgo, Texas, within Hidalgo County. It covers approximately 16.59 square miles and serves a population of 14,075 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 956.

About ZIP code 78557

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 $136,100. Owner-occupancy is high at 76%, well above the national average.

Median household income is $45,919. Poverty affects 27% of residents, above the national average. SNAP benefit usage at 26% of households reflects economic stress in the area.

The dominant occupation class is sales and office, with education and healthcare as the leading industry. The average commute of 19 minutes is near the national average.

Educational attainment is near the national average, with 21% of residents holding a bachelor's degree or higher.

Health indicators show elevated rates of diabetes (17%) compared to national benchmarks. 28% of residents lack health insurance, above the national average.

Notable community characteristics include Spanish spoken in 51% of households.

Overall, ZIP code 78557 reflects a community defined by economic challenges above the national average, high homeownership, and elevated reliance on food assistance.

14,075

population

16.59

sq mi land

Standard

ZIP type

Central (CT)

timezone

78557 ZIP code map

Cities in ZIP code 78557

Below are the cities the US Postal Service accepts for ZIP code 78557. Using any city not on this list may result in mail delivery delays.

City	Status
Hidalgo	Preferred

Nearby ZIP codes

78503 Mcallen (2.6 mi) 78577 Pharr (3.9 mi) 78589 San Juan (7 mi) 78501 Mcallen (7.1 mi) 78516 Alamo (10.5 mi) 78537 Donna (11.4 mi) 78504 Mcallen (11.6 mi) 78573 Mission (13.2 mi) 78539 Edinburg (13.3 mi) 78574 Mission (14.9 mi) 78560 La Joya (15.2 mi) 78596 Weslaco (15.5 mi)

Demographics updated 06/2026

Population
Total population	14,075
Population density	848 / sq mi
State FIPS	48
County FIPS	215

Geography
Land area	16.59 sq mi
Water area	0.55 sq mi
Latitude	26.1134
Longitude	-98.2552
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	62.7%	56.8%	39.5%
$50k – $100k	26.6%	26.0%	30.1%
$100k – $200k	9.8%	14.6%	22.6%
Over $200k	1.0%	2.5%	7.8%

Demographics & statistics

14,075

Population

848

People per sq mi

28.8

Median age

$45,919

Median household income

$16,964

Per capita income

$136,100

Median home value

$832

Median monthly rent

75.6%

Home ownership

26.9%

Poverty rate

7.8%

Unemployment

3,115

Housing units

21.1%

Bachelor's or higher

Age distribution

Male Female

570

Under 5

538

726

5–9

685

633

10–14

596

577

15–19

543

667

20–24

628

1,093

25–34

1,030

808

35–44

762

654

45–54

617

439

55–59

414

215

60–64

202

592

65–74

557

235

75–84

221

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	4,327	30.7%
18 and over	9,748	69.3%
65 and over	1,678	11.9%
Median age	28.8 years

Race & ethnicity

Hispanic or Latino 41.9%

Other race 23.9%

Two or more races 18%

White 16.2%

Group	Count	%
Hispanic or Latino	10,154	41.9%
Other race	5,799	23.9%
Two or more races	4,355	18%
White	3,918	16.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	62.7%	56.8%	39.5%
$50k – $100k	26.6%	26.0%	30.1%
$100k – $200k	9.8%	14.6%	22.6%
Over $200k	1.0%	2.5%	7.8%

Under $10k 5.7%

$10k–$15k 5.1%

$15k–$25k 12.6%

$25k–$35k 15.6%

$35k–$50k 15.4%

$50k–$75k 17.7%

$75k–$100k 11.6%

$100k–$150k 11.4%

$150k–$200k 1.2%

$200k+ 3.8%

Range	% of households
Under $10k	5.7%
$10k–$15k	5.1%
$15k–$25k	12.6%
$25k–$35k	15.6%
$35k–$50k	15.4%
$50k–$75k	17.7%
$75k–$100k	11.6%
$100k–$150k	11.4%
$150k–$200k	1.2%
$200k+	3.8%
Median income	$45,919

Housing

Home values

Under $50k 4.4%

$50k–$100k 16.8%

$100k–$150k 39.8%

$150k–$200k 21.6%

$200k–$300k 12.4%

$300k–$500k 4.2%

$500k–$1M 0.8%

Housing overview

Metric	Value
Median home value	$136,100
Median rent / month	$832
Owner occupied	75.6%
Renter occupied	24.4%
Vacant	7.8%
Single-family detached	86.3%
Large apartment buildings	4.4%
Mobile homes	3.2%
Median rooms	5.0
Avg household size (owned)	3.93

Year built

Era	%
2020 or later	2.5%
2010–2019	11.2%
2000–2009	50.3%
1990–1999	26.0%
1980–1989	6.1%
1970–1979	3.4%
1960–1969	0.5%
1950–1959	0.0%
1940–1949	0.0%
1939 or earlier	0.0%

Bedrooms

Size	% of units
No bedroom (studio)	2.0%
1 bedroom	4.9%
2 bedrooms	15.3%
3 bedrooms	54.6%
4 bedrooms	21.1%
5+ bedrooms	2.1%

Vehicles per household

Vehicles	% of households
No vehicle	3.4%
1 vehicle	30.6%
2 vehicles	35.6%
3 or more	30.4%

Heating fuel

Fuel type	%
Utility gas	2.6%
Electricity	92.8%
Propane / LP gas	2.2%
No fuel used	2.3%

Households & families

Household type	Count	%
Married-couple family	2,019	54.5%
Cohabiting couple	136	3.7%
Male householder, no spouse	471	12.7%
Female householder, no spouse	1,079	29.1%
Households with children under 18	2,143	57.8%
Households with seniors (65+)	974	26.3%
Average household size	3.80

Marital status

Status	Male	Female
Never married	37.4%	33.0%
Married	56.3%	45.7%
Separated	2.0%	4.2%
Widowed	1.5%	8.6%
Divorced	2.8%	8.6%

Education

Less than 9th grade 20.3%

Some HS, no diploma 11.5%

HS graduate 23.1%

Some college, no degree 18.0%

Associate's degree 5.9%

Bachelor's degree 18.8%

Graduate / professional 2.3%

Metric	%
HS diploma or higher	68.3%
Bachelor's or higher	21.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	350	7.6%
Kindergarten	541	11.7%
Elementary school	2,156	46.8%
High school	749	16.2%
College / grad school	814	17.7%

Employment

Industry of employment

Education & healthcare 22.1%

Retail trade 15.5%

Transportation & utilities 10.6%

Other services 7.7%

Manufacturing 6.4%

Finance & real estate 6.4%

Professional & management 6.1%

Arts, food & hospitality 6.1%

Wholesale trade 5.6%

Public administration 4.8%

Construction 4.6%

Information 2.3%

Agriculture & mining 1.9%

Occupation

Category	%
Management, business & arts	26.6%
Service	14.7%
Sales & office	29.2%
Natural resources & construction	12.4%
Production & transportation	17.0%

Employment type

Type	%
Private sector	67.9%
Government	21.4%
Self-employed	10.6%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	82.2%
Carpool	9.9%
Public transit	0.0%
Walk	1.5%
Work from home	5.8%
Other means	0.6%
Avg commute (minutes)	19.1

Poverty

All people 26.9%

Under 18 years 33.1%

18 and over 24.2%

Married-couple families 22.5%

Female-led households 37.5%

Income support

Source	% of households
Social Security	20.0%
Retirement income	15.2%
Supplemental Security	5.0%
Cash public assistance	1.8%
Food stamps / SNAP	26.3%

Health indicators

Condition	%
Obesity	42.9%
High blood pressure	31.7%
High cholesterol	30.2%
Diabetes	17.2%
Heart disease	5.6%
Stroke	2.9%
Asthma	9.1%
Arthritis	16.6%
Kidney disease	3.5%
Pulmonary disease	5.4%
Cancer	3.5%

Behavior / access	%
Smoking	17.7%
Binge drinking	18.0%
No physical activity	33.5%
Less than 7 hrs sleep	34.0%
Depression	21.0%
Fair or poor health	28.3%
Poor mental health	16.8%
Poor physical health	14.6%
No health insurance	51.4%
Visited doctor (checkup)	67.5%
Visited dentist	48.4%
Cholesterol screening	84.0%
Teeth loss	16.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	124	1.3%

Disability	%
Any disability	10.7%
Under 18	2.0%
18–64 years	8.3%
65 and over	44.3%

Health insurance coverage

Type	%
Private insurance	43.8%
Public insurance	30.6%
No insurance	27.9%
Uninsured under 19	19.1%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	12,967	92.1%
Spanish	6,607	51.0%
Other Indo-European	6,607	51.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	8,711	61.9%
Born in same state	8,327	59.2%
Born in different state	7,786	55.3%
Foreign born	384	2.7%
Naturalized citizen	5,364	38.1%
Not a US citizen	2,414	45.0%

Ancestry

Ancestry	Count	%
Arab	115	0.8%
Italian	76	0.5%

Ancestry	Count	%
French	41	0.3%

Technology access

Metric	% of households
Computer access	26.3%
Internet access	96.6%

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

Frequently asked questions about ZIP code 78557

What city is ZIP code 78557 in?

ZIP code 78557 is primarily assigned to Hidalgo, Texas.

What county is ZIP code 78557 in?

ZIP code 78557 falls within Hidalgo County, Texas.

Is Spanish widely spoken in ZIP code 78557?

Approximately 51% of households in ZIP code 78557 speak Spanish as a primary language.

Is ZIP code 78557 family-oriented?

31% of residents in ZIP code 78557 are under 18, reflecting a younger, family-oriented community.

What is the poverty rate in ZIP code 78557?

27% of residents in ZIP code 78557 live below the poverty line, above the national average.

What is the typical home value in ZIP code 78557?

The median home value in ZIP code 78557 is $136,100.

What timezone is ZIP code 78557 in?

ZIP code 78557 observes the CST timezone.