Olmito ZIP Codes — Cameron County, TX

There is one unique ZIP code in Olmito, Texas and it is 78575. Area code: 956.

ZIP codes

8.33

sq mi land

0.62

sq mi water

956

area code

Olmito, TX ZIP code map

About Olmito, TX

Olmito is a small yet charming community located in Texas, embodying the warmth and culture of the Lone Star State. Nestled within Cameron County, this city showcases the beauty of South Texas living. With its unique character and friendly residents, Olmito offers a pleasant suburban experience just outside the bustling nearby cities.

Location & geography

Olmito is situated in the southeastern part of Texas, within Cameron County. It is conveniently located approximately 12 miles northeast of Brownsville and about 15 miles from Harlingen. The city spans a total area of 8.33 square miles, with 0.62 square miles covered by water, providing a mix of land and aquatic landscapes.

Community & economy

The community of Olmito is characterized by its close-knit atmosphere and friendly demeanor, where neighbors often come together for various events. Primarily an agricultural region, the local economy thrives on farming and related industries. Daily life in Olmito is peaceful, with residents enjoying the serenity of rural living while being just a short drive away from urban amenities.

Transportation

Olmito is accessible via several major roads, with U.S. Highway 77 serving as a key route that connects it to larger cities in the area. The nearest airport is Brownsville South Padre Island International Airport, located approximately 14 miles to the south, providing regional air travel options. Public transit services in the area may be limited, making personal vehicles the primary mode of transport for residents.

History

Olmito was established in the late 19th century and has grown to become a noteworthy community in Cameron County. Historically, the area has seen agricultural development as a key industry, and it has maintained this focus over the years. While little notable history has been recorded, the city reflects the overall story of growth and perseverance found throughout South Texas.

Did you know?

One surprising fact about Olmito is that it is home to several small farms that contribute to the local economy. Additionally, the city is named after 'Olmito', which translates to 'little elm' in Spanish, reflecting the region's rich cultural heritage.

ZIP codes for Olmito, TX (1)

ZIP code	City	County	Map
78575	Olmito	Cameron	View map

Demographics & statistics

4,649

Population

38.4

Median age

$69,971

Median household income

$36,240

Per capita income

$178,100

Median home value

$1,049

Median monthly rent

65.4%

Home ownership

15.6%

Poverty rate

2.1%

Unemployment

1,295

Housing units

45.1%

Bachelor's or higher

Age distribution

Male Female

Under 5

137

5–9

123

260

10–14

234

247

15–19

221

203

20–24

183

224

25–34

202

296

35–44

265

393

45–54

353

170

55–59

152

112

60–64

101

167

65–74

150

134

75–84

120

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,170	25.2%
18 and over	3,479	74.8%
65 and over	633	13.6%
Median age	38.4 years

Race & ethnicity

White 45.6%

Hispanic or Latino 26.4%

Two or more races 20.6%

Other race 5.9%

Asian 1%

American Indian / Alaska Native 0.5%

Group	Count	%
White	2,880	45.6%
Hispanic or Latino	1,669	26.4%
Two or more races	1,304	20.6%
Other race	370	5.9%
Asian	64	1%
American Indian / Alaska Native	31	0.5%

Household income

Under $10k 5.6%

$10k–$15k 4.0%

$15k–$25k 11.2%

$25k–$35k 2.6%

$35k–$50k 14.8%

$50k–$75k 14.5%

$75k–$100k 11.2%

$100k–$150k 16.4%

$150k–$200k 8.2%

$200k+ 11.3%

Range	% of households
Under $10k	5.6%
$10k–$15k	4.0%
$15k–$25k	11.2%
$25k–$35k	2.6%
$35k–$50k	14.8%
$50k–$75k	14.5%
$75k–$100k	11.2%
$100k–$150k	16.4%
$150k–$200k	8.2%
$200k+	11.3%
Median income	$69,971

Housing

Home values

Under $50k 5.2%

$50k–$100k 23.3%

$100k–$150k 11.1%

$150k–$200k 14.3%

$200k–$300k 22.5%

$300k–$500k 17.3%

$500k–$1M 6.3%

Housing overview

Metric	Value
Median home value	$178,100
Median rent / month	$1,049
Owner occupied	65.4%
Renter occupied	34.6%
Vacant	12.1%
Single-family detached	70.2%
Large apartment buildings	10.8%
Mobile homes	3.3%
Median rooms	5.2
Avg household size (owned)	2.69

Year built

Era	%
2020 or later	1.8%
2010–2019	11.4%
2000–2009	5.9%
1990–1999	13.3%
1980–1989	31.8%
1970–1979	23.7%
1960–1969	5.5%
1950–1959	1.4%
1940–1949	5.3%
1939 or earlier	0.0%

Bedrooms

Size	% of units
No bedroom (studio)	0.2%
1 bedroom	6.1%
2 bedrooms	26.8%
3 bedrooms	43.2%
4 bedrooms	21.2%
5+ bedrooms	2.5%

Vehicles per household

Vehicles	% of households
No vehicle	1.6%
1 vehicle	33.4%
2 vehicles	44.0%
3 or more	21.0%

Heating fuel

Fuel type	%
Utility gas	1.0%
Electricity	97.1%
Propane / LP gas	1.7%
No fuel used	0.2%

Households & families

Household type	Count	%
Married-couple family	878	53.6%
Cohabiting couple	57	3.5%
Male householder, no spouse	244	14.9%
Female householder, no spouse	458	28.0%
Households with children under 18	599	36.6%
Households with seniors (65+)	438	26.8%
Average household size	2.84

Marital status

Status	Male	Female
Never married	37.5%	20.3%
Married	55.3%	56.6%
Separated	1.9%	6.0%
Widowed	1.1%	5.1%
Divorced	4.2%	12.0%

Education

Less than 9th grade 9.7%

Some HS, no diploma 10.2%

HS graduate 15.7%

Some college, no degree 12.4%

Associate's degree 7.0%

Bachelor's degree 29.6%

Graduate / professional 15.5%

Metric	%
HS diploma or higher	80.1%
Bachelor's or higher	45.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	34	2.4%
Kindergarten	22	1.5%
Elementary school	647	45.4%
High school	387	27.2%
College / grad school	334	23.5%

Employment

Industry of employment

Education & healthcare 25.9%

Retail trade 12.2%

Arts, food & hospitality 12.1%

Professional & management 11.4%

Manufacturing 8.9%

Finance & real estate 7.2%

Construction 6.3%

Transportation & utilities 4.9%

Agriculture & mining 3.4%

Public administration 3.2%

Wholesale trade 2.8%

Other services 1.3%

Information 0.6%

Occupation

Category	%
Management, business & arts	47.0%
Service	14.9%
Sales & office	25.2%
Natural resources & construction	4.7%
Production & transportation	8.2%

Employment type

Type	%
Private sector	76.2%
Government	13.6%
Self-employed	10.2%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	81.2%
Carpool	6.6%
Public transit	0.0%
Walk	0.0%
Other means	3.9%
Avg commute (minutes)	24.2

Poverty

All people 15.6%

Under 18 years 23.7%

18 and over 12.8%

Married-couple families 12.3%

Female-led households 24.4%

Income support

Source	% of households
Social Security	28.9%
Retirement income	17.5%
Supplemental Security	4.0%
Cash public assistance	2.9%
Food stamps / SNAP	13.4%

Health indicators

Condition	%
High blood pressure	27.9%
High cholesterol	31.6%
Heart disease	4.9%
Stroke	2.4%
Asthma	7.7%
Arthritis	15.0%
Kidney disease	2.8%
Pulmonary disease	4.2%
Cancer	4.2%

Behavior / access	%
Binge drinking	18.6%
No physical activity	25.2%
Less than 7 hrs sleep	30.5%
Fair or poor health	19.8%
Poor mental health	14.5%
Poor physical health	11.2%
No health insurance	41.4%
Visited doctor (checkup)	68.7%
Visited dentist	56.6%
Cholesterol screening	88.0%
Teeth loss	10.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	164	4.7%

Disability	%
Any disability	8.1%
Under 18	2.2%
18–64 years	5.2%
65 and over	32.2%

Health insurance coverage

Type	%
Private insurance	48.8%
Public insurance	27.3%
Uninsured under 19	25.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	4,509	97.0%
Spanish	943	20.9%
Other Indo-European	936	20.8%
Asian & Pacific Islander	7	0.2%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	3,287	70.7%
Born in same state	3,263	70.2%
Born in different state	2,832	60.9%
Foreign born	24	0.5%
Naturalized citizen	1,362	29.3%
Not a US citizen	621	45.6%

Ancestry

Ancestry	Count	%
French	158	3.4%
Italian	144	3.1%

Ancestry	Count	%
Arab	44	0.9%
Polish	10	0.2%

Technology access

Metric	% of households
Computer access	35.2%
Internet access	92.4%

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

Frequently asked questions

What ZIP codes does Olmito, TX have?

Olmito, TX has one ZIP code: 78575. Each ZIP code serves a distinct delivery area within the city and surrounding region.