Los Fresnos ZIP Codes — Cameron County, TX

There is one unique ZIP code in Los Fresnos, Texas and it is 78566. Area code: 956.

ZIP codes

138.98

sq mi land

48.61

sq mi water

956

area code

Los Fresnos, TX ZIP code map

About Los Fresnos, TX

Los Fresnos, Texas, is a charming city located within Cameron County. Known for its friendly community and vibrant culture, Los Fresnos serves as an agricultural hub in the region. With a rich cultural history and close-knit neighborhoods, it offers a unique blend of rural and suburban lifestyles.

Location & geography

Los Fresnos is situated in the southern part of Texas, approximately 13 miles north of the Gulf of Mexico. The city is surrounded by several neighboring communities, including Brownsville to the east, Harlingen to the west, San Benito to the south, and Port Isabel to the southeast. Covering a total land area of 138.98 square miles and a water area of 48.61 square miles, the city features a mix of flat terrain and waterways.

Community & economy

The character of Los Fresnos is defined by its welcoming residents and a strong sense of community. The local economy is primarily driven by agriculture, with farming being a significant industry in the area. Daily life in Los Fresnos is enriched by various community events, festivals, and opportunities for outdoor activities, given its natural surroundings.

Transportation

Los Fresnos is accessible via major highways, including US Highway 100 and FM 803, which connect it to surrounding cities and regions. The nearest major airport is Brownsville/South Padre Island International Airport, located about 20 miles away. Public transit options are limited, but residents often rely on personal vehicles for transportation.

History

Los Fresnos was officially founded in the late 19th century, and its name is derived from the Spanish term for 'the ash trees' that grow abundantly in the area. Key industries in the early days revolved around agriculture and agriculture-related businesses, which continue to play a vital role in the local economy today. The city has witnessed various notable events throughout its development, contributing to its rich historical tapestry.

Did you know?

One surprising fact about Los Fresnos is that it has a unique commitment to preserving its cultural heritage through annual events and local festivals. The city also hosts a variety of educational programs aimed at promoting community engagement and environmental awareness.

ZIP codes for Los Fresnos, TX (1)

ZIP code	City	County	Map
78566	Los Fresnos	Cameron	View map

Demographics & statistics

24,232

Population

32.4

Median age

$55,121

Median household income

$23,652

Per capita income

$124,000

Median home value

$846

Median monthly rent

74.8%

Home ownership

27.2%

Poverty rate

6.5%

Unemployment

6,337

Housing units

19.3%

Bachelor's or higher

Age distribution

Male Female

855

Under 5

778

981

5–9

893

1,458

10–14

1,326

1,394

15–19

1,268

926

20–24

843

1,058

25–34

962

1,876

35–44

1,707

1,657

45–54

1,507

689

55–59

627

495

60–64

450

623

65–74

566

363

75–84

331

314

85+

285

← Male

Female →

Age summary

Group	Count	%
Under 18	7,913	32.7%
18 and over	16,319	67.3%
65 and over	2,482	10.2%
Median age	32.4 years

Race & ethnicity

White 44.2%

Hispanic or Latino 27.2%

Two or more races 22.8%

Other race 4.6%

Black or African American 0.7%

American Indian / Alaska Native 0.3%

Asian 0.1%

Group	Count	%
White	14,734	44.2%
Hispanic or Latino	9,072	27.2%
Two or more races	7,578	22.8%
Other race	1,545	4.6%
Black or African American	236	0.7%
American Indian / Alaska Native	104	0.3%
Asian	35	0.1%

Household income

Under $10k 10.1%

$10k–$15k 4.5%

$15k–$25k 10.9%

$25k–$35k 12.5%

$35k–$50k 9.6%

$50k–$75k 13.9%

$75k–$100k 12.9%

$100k–$150k 12.8%

$150k–$200k 8.2%

$200k+ 4.6%

Range	% of households
Under $10k	10.1%
$10k–$15k	4.5%
$15k–$25k	10.9%
$25k–$35k	12.5%
$35k–$50k	9.6%
$50k–$75k	13.9%
$75k–$100k	12.9%
$100k–$150k	12.8%
$150k–$200k	8.2%
$200k+	4.6%
Median income	$55,121

Housing

Home values

Under $50k 9.9%

$50k–$100k 24.0%

$100k–$150k 26.4%

$150k–$200k 12.0%

$200k–$300k 13.3%

$300k–$500k 10.6%

$500k–$1M 2.5%

$1M+ 1.4%

Housing overview

Metric	Value
Median home value	$124,000
Median rent / month	$846
Owner occupied	74.8%
Renter occupied	25.2%
Vacant	13.2%
Single-family detached	76.0%
Large apartment buildings	4.3%
Mobile homes	12.5%
Median rooms	5.4
Avg household size (owned)	3.52

Year built

Era	%
2020 or later	0.6%
2010–2019	17.5%
2000–2009	33.3%
1990–1999	13.9%
1980–1989	13.8%
1970–1979	13.2%
1960–1969	3.7%
1950–1959	2.4%
1940–1949	0.0%
1939 or earlier	1.4%

Bedrooms

Size	% of units
No bedroom (studio)	1.4%
1 bedroom	2.6%
2 bedrooms	22.4%
3 bedrooms	51.2%
4 bedrooms	20.5%
5+ bedrooms	1.8%

Vehicles per household

Vehicles	% of households
No vehicle	5.2%
1 vehicle	29.8%
2 vehicles	36.3%
3 or more	28.7%

Heating fuel

Fuel type	%
Utility gas	3.1%
Electricity	93.0%
Propane / LP gas	2.1%
Fuel oil	0.4%
Solar	0.1%
No fuel used	1.3%

Households & families

Household type	Count	%
Married-couple family	3,662	52.1%
Cohabiting couple	265	3.8%
Male householder, no spouse	1,341	19.1%
Female householder, no spouse	1,767	25.1%
Households with children under 18	3,540	50.3%
Households with seniors (65+)	1,780	25.3%
Average household size	3.43

Marital status

Status	Male	Female
Never married	37.8%	32.1%
Married	49.7%	46.2%
Separated	0.7%	3.4%
Widowed	2.8%	9.6%
Divorced	9.0%	8.7%

Education

Less than 9th grade 15.3%

Some HS, no diploma 13.1%

HS graduate 25.8%

Some college, no degree 17.6%

Associate's degree 8.9%

Bachelor's degree 13.7%

Graduate / professional 5.6%

Metric	%
HS diploma or higher	71.6%
Bachelor's or higher	19.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	290	3.7%
Kindergarten	414	5.3%
Elementary school	3,205	41.1%
High school	2,466	31.6%
College / grad school	1,417	18.2%

Employment

Industry of employment

Education & healthcare 29.7%

Construction 12.3%

Public administration 9.9%

Arts, food & hospitality 8.3%

Retail trade 7.8%

Manufacturing 7.6%

Transportation & utilities 7.0%

Professional & management 6.0%

Finance & real estate 4.1%

Agriculture & mining 3.7%

Other services 1.7%

Wholesale trade 1.0%

Information 1.0%

Occupation

Category	%
Management, business & arts	30.1%
Service	22.0%
Sales & office	20.5%
Natural resources & construction	15.3%
Production & transportation	12.1%

Employment type

Type	%
Private sector	69.0%
Government	25.5%
Self-employed	5.4%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	83.1%
Carpool	11.0%
Public transit	0.0%
Walk	0.4%
Other means	0.6%
Avg commute (minutes)	24.1

Poverty

All people 27.2%

Under 18 years 37.1%

18 and over 22.4%

Married-couple families 13.1%

Female-led households 54.1%

Income support

Source	% of households
Social Security	23.2%
Retirement income	14.4%
Supplemental Security	5.0%
Cash public assistance	2.1%
Food stamps / SNAP	17.6%

Health indicators

Condition	%
High blood pressure	30.1%
High cholesterol	31.7%
Heart disease	5.6%
Stroke	2.9%
Asthma	8.4%
Arthritis	16.3%
Kidney disease	3.2%
Pulmonary disease	5.5%
Cancer	3.8%

Behavior / access	%
Binge drinking	18.3%
No physical activity	30.4%
Less than 7 hrs sleep	32.6%
Fair or poor health	25.2%
Poor mental health	16.2%
Poor physical health	13.8%
No health insurance	46.8%
Visited doctor (checkup)	68.2%
Visited dentist	48.3%
Cholesterol screening	85.1%
Teeth loss	16.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	584	3.6%

Disability	%
Any disability	9.7%
Under 18	5.2%
18–64 years	7.8%
65 and over	35.2%

Health insurance coverage

Type	%
Private insurance	39.2%
Public insurance	33.4%
Uninsured under 19	24.8%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	22,599	93.3%
Spanish	6,059	26.8%
Other Indo-European	6,039	26.7%
Asian & Pacific Islander	10	0.0%
Other languages	9	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	18,971	78.3%
Born in same state	18,776	77.5%
Born in different state	16,221	66.9%
Foreign born	195	0.8%
Naturalized citizen	5,261	21.7%
Not a US citizen	1,745	33.2%

Ancestry

Ancestry	Count	%
French	489	2%
Italian	440	1.8%
Arab	346	1.4%
Norwegian	42	0.2%

Ancestry	Count	%
German	35	0.1%
English	35	0.1%
Polish	8	0%

Technology access

Metric	% of households
Computer access	29.0%
Internet access	95.5%

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

Frequently asked questions

What ZIP codes does Los Fresnos, TX have?

Los Fresnos, TX has one ZIP code: 78566. Each ZIP code serves a distinct delivery area within the city and surrounding region.