ZIP Code Tabulation Area

78578

Port Isabel, TX · ACS 2020–2024

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Latest estimates

At a glance

U.S. Census Bureau American Community Survey 5-year estimates.

Total population
10,016
Median household income
$51,880
People below poverty
27%
Median home value
$196,200

Income

The median income of households in 78578 was $51,880. An estimated 12.1% of households had income below $10,000 a year and 8.2% had income of $200,000 or more.

Household Income in 78578 in 2020-2024

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Percent
Less than $10,000 12.1
$10,000 to $14,999 2.9
$15,000 to $24,999 13.5
$25,000 to $34,999 11.3
$35,000 to $49,999 7.9
$50,000 to $74,999 11.6
$75,000 to $99,999 11.4
$100,000 to $149,999 12.9
$150,000 to $199,999 8.1
$200,000 or more 8.2

Median Earnings for Full-Time Year-Round Workers by Sex in 78578 in 2020-2024

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Dollars
Male 43795
Female 45489

An estimated 62.2% of households received earnings. An estimated 39% of households received Social Security and an estimated 29.7 % of households received retirement income other than Social Security. The average income from Social Security was $24,526. These income sources are not mutually exclusive; that is, some households received income from more than one source.

Proportion of Households with Various Income Sources in 78578 in 2020-2024

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Percent
Earnings 62.2
Social Security 39
Retirement income 29.7
Supplemental Security Income (SSI) 1
Cash public assistance income 2.6

Poverty and Participation in Government Programs

In 2020-2024, 27 % of people were in poverty. An estimated 50% of children under 18 were below the poverty level, compared with 14.8% of people 65 years old and over. An estimated 24.6% of people 18 to 64 years were below the poverty level.

Poverty Rates in 78578 in 2020-2024

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Percent
People in poverty 27
Children under 18 years below poverty 50
People 65 years old and over below poverty 14.8
People 18 to 64 years below poverty 24.6

In 2020-2024, 12.4 % of households received SNAP (the Supplemental Nutrition Assistance Program). An estimated 73.8% of households that received SNAP had children under 18, and 31% of households that received SNAP had one or more people 60 years and over. An estimated 27.5% of all households receiving SNAP were families with a female householder and no spouse present.


Among the civilian noninstitutionalized population in 78578 in 2020-2024, 67.6% had health insurance coverage and 32.4% did not have health insurance coverage. Private coverage was 41.2% and public coverage was 38.4%, respectively. The percentage of children under the age of 19 with no health insurance coverage was 40.1%.


In 2020-2024, 78578 had a total population of 10,016 - 5,307 (53%) females and 4,709 (47%) males. The median age was 49 years. An estimated 20.1% of the population was under 18 years, 24.8% was 19 to 44 years, 26.8% was 45 to 64 years, and 27.2 % was 65 years and older.

Population by Age and Sex for 78578 in 2020-2024

Male Female
Under 5 206 250
5 to 9 249 271
10 to 14 189 417
15 to 19 275 263
20 to 24 453 193
25 to 29 278 199
30 to 34 246 299
35 to 39 188 164
40 to 44 212 260
45 to 49 275 290
50 to 54 281 345
55 to 59 263 197
60 to 64 480 547
65 to 69 314 321
70 to 74 229 286
75 to 79 266 570
80 to 84 225 239
85 and over 80 196

Hispanic Origin and Race

For people reporting one race alone, 61.5% were White; 0% were Black or African American; 11.1% were American Indian and Alaska Native; 0.5% were Asian; 0% were Native Hawaiian and Other Pacific Islander, and 0% were Some Other Race. An estimated 32.2% reported Two or More Races. An estimated 57.3% of the people in 78578 were Hispanic or Latino. An estimated 40% of the people in 78578 were White alone, non-Hispanic. People of Hispanic origin may be of any race.


Households and Families

In 2020-2024, there were 4,379 households in 78578. The average household size was 2.29 people.

Married-couple households made up 49.5% of the households in 78578 while cohabiting couple households made up 3.8% of households. Female householders with no spouse or partner present were 32.7% of all households, while 14% of households had male householders with no spouse or partner present. Some households had one person, as 11.3% of households were male householders living alone, and 19.3% were female householders living alone, for a total of 30.6% of all households.

In 78578, 24.8% of all households had one or more people under the age of 18; 44.1% of all households had one or more people 65 years and over.

Types of Households in 78578 in 2020-2024

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Percent
Married-couple households 49.5
Cohabiting Couples 3.8
Male Householder
No spouse/partner present
14
Female Householder
No spouse/partner present
32.7

Marital Status

Among persons 15 and older, 61.6% of males and 54.6% of females were currently married.

Population 15 years and over Percent
Males
Percent
Females
Never married 27.2 23.1
Now married, except separated 61.6 54.6
Separated 1.1 0.6
Widowed 3.4 16.1
Divorced 6.7 5.6

Grandparents and Grandchildren

In 78578, 202 grandparents lived with their grandchildren under 18 years old. Of those grandparents, 32.2% were responsible for the basic needs of their grandchildren.


Nativity and Foreign-Born

In 2020-2024, an estimated 77.6% of the people living in 78578 were U.S. natives. 47.5% of the 78578 population were living in the state where they were born.

Approximately 22.4% of 78578 residents in 2020-2024 were foreign-born. 30.3% of foreign-born were naturalized U.S. citizens and an estimated 74.6 % entered the country before the year 2010.

Foreign-born residents of 78578 come from different parts of the world. The bar graph below displays the percentage of foreign-born from each world region of birth in 2020-2024 for 78578.

Region of Birth for the Foreign-Born Population in 78578 in 2020-2024

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Percent
Latin America 87.6
Asia 1.8
Europe 7.6
Africa 0
Northern America 3
Oceania 0

Language

Among people at least five years old living in 78578 in 2020-2024, 47.2 % spoke a language other than English at home. Spanish was spoken by 45.1% of people at least five years old; 20.4% reported that they did not speak English "very well."

Percentage of the Population 5 years and over who Speak a Language other than English in 78578 in 2020-2024

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Percent
Spanish 45.1
Other Indo-European languages 1.7
Asian and Pacific Islander languages 0.4
Other languages 0

Geographic Mobility

In 2020-2024, 88.1 % of the people at least one year old living in 78578 were living in the same house one year earlier.

Geographic Mobility of Residents of 78578 in 2020-2024

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Percent
Same house 88.1
Different house, same county 6.9
Different county, same state 3
Different state 2
Abroad 0

Education

In 2020-2024, 81.1 % of people 25 years and over had at least graduated from high school and 28.6% had a bachelor's degree or higher. An estimated 18.9% did not complete high school.

The total school enrollment in 78578 was 2,018 in 2020-2024. Nursery school enrollment was 25 and kindergarten through 12th grade enrollment was 1,531. College or graduate school enrollment was 462.

Educational Attainment of People in 78578 in 2020-2024

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Percent
Less than high school diploma 18.9
High school diploma or equivalency 28.2
Some college, no degree 15.9
Associate's degree 8.4
Bachelor's degree 19.4
Graduate or professional degree 9.2

Disability

In 78578, among the civilian noninstitutionalized population in 2020-2024, 8.8 % reported a disability. The likelihood of having a disability varied by age - from 0% of people under 18 years old, to 5.5% of people 18 to 64 years old, and to 21.7% of those 65 and over.


Employment Status and Type of Employer

In 78578, 47 % of the population 16 and over were employed; 51.2% were not currently in the labor force.

An estimated 69.2% of the people employed were private wage and salary workers; 20% were federal, state, or local government workers; and 10.8 % were self-employed in their own (not incorporated) business.

Class of worker Number Percent
Private wage and salary workers 2,701 69.2
Federal, state, or local government workers 783 20
Self-employed workers in own not incorporated business 422 10.8

Industries

In 2020-2024, the civilian employed population 16 years and older in 78578 worked in the following industries:

Percent by Industry in 78578 in 2020-2024

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Percent
Agriculture, forestry, fishing and hunting, and mining 4.2
Construction 5.8
Manufacturing 4.7
Wholesale trade 0.3
Retail trade 7
Transportation and warehousing, and utilities 4.6
Information 0
Finance and insurance, and real estate and rental and leasing 9.1
Professional, scientific, and management, and administrative and waste management services 15.1
Educational services, and health care and social assistance 18.2
Arts, entertainment, and recreation, and accommodation, and food services 15.5
Other Services, except public administration 8
Public administration 7.4

Occupations

Occupations for the Civilian Employed Population 16 Years and over in 78578 in 2020-2024

Civilian employed population 16 years and over Number Percent
Management, business, sciences, and arts occupations 1,225 31.4
Service occupations 988 25.3
Sales and office occupations 812 20.8
Natural resources, construction, and maintenance occupations 379 9.7
Production, transportation, and material moving occupations 502 12.9

Commuting to Work

An estimated 70.4% of 78578 workers drove to work alone in 2020-2024, and 15.2% carpooled. Among those who commuted to work, it took them on average 17.3 minutes to get to work.

Percent of Workers 16 and over Commuting by Mode in 78578 in 2020-2024

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Percent
Car, truck, van -- drove alone 70.4
Car, truck, van -- carpooled 15.2
Public transportation (excluding taxicab) 0
Walked 0.4
Other means 1.9
Worked from home 12

In 2020-2024, 78578 had a total of 6,480 housing units. Of these housing units, 52.7% were single-family houses either not attached to any other structure or attached to one or more structures (commonly referred to as "townhouses" or "row houses"). 19.8% of the housing units were located in multi-unit structures, or those buildings that contained two or more apartments. 27% were mobile homes, while any remaining housing units were classified as "other," which included boats, recreational vehicles, vans, etc.

Types of Housing Units in 78578 in 2020-2024

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Percent
Single-family houses 52.7
Apartments in multi-unit structures 19.8
Mobile homes 27
Boat, RV, van, etc 0.3

13.1% of the housing inventory was comprised of houses built since 2010, while 0% of the houses were first built in 1939 or earlier. The median number of rooms in all housing units in 78578 was 4.4 rooms, and of these housing units 43.4% had three or more bedrooms.


In 2020-2024, 78578 had 4,379 housing units that were occupied or had people living in them, while the remaining 2,101 were vacant. Of the occupied housing units, the percentage of these houses occupied by owners (also known as the homeownership rate) was 74.6% while renters occupied 25.4%. The average household size of owner-occupied houses was 2.09 and in renter-occupied houses it was 2.86.

1.8% of householders of these occupied houses had moved into their house since 2021, while 6.3% moved into their house in 1989 or earlier. Households without a vehicle available for personal use comprised 3.8% and another 10.8% had three or more vehicles available for use.

The following chart provides the primary fuel used to heat houses in 78578:

House Heating Fuel Used in 78578 in 2020-2024

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Percent
Gas 4.6
Electricity 92.8
Fuel oil, kerosene, etc 0
All other fuels 0
No fuel used 2.6

In 2020-2024, the median property value for owner-occupied houses in 78578 was $196,200.

Of the owner-occupied households, 40.3 % had a mortgage. 59.7% owned their houses "free and clear," that is without a primary mortgage or loan on the house. The median monthly housing costs for owners with a mortgage was $1,330 and for owners without a mortgage it was $679.

For renter-occupied houses, the median gross rent for 78578 was $749. Gross rent includes the monthly contract rent and any monthly payments made for electricity, gas, water and sewer, and any other fuels to heat the house.