78578 ZIP Code
Port Isabel, Texas
December 30, 2025
| ZIP Code: | 78578 |
| City/Town: | Port Isabel |
| County: | Cameron |
| State: | Texas |
| ZIP Type: | Standard |
| Population: | 10,540 |
| Median Household Income: | $49,396 |
| Per Capita Income: | $39,112 |
| Total Housing Units: | 6,376 |
| Median Home Value: | $184,100 |
| Land Area: | 57.0 sq miles
147.5 sq km |
| Water Area: | 22.0 sq miles
57.0 sq km |
| Coordinates: | 26.0440, -97.3066 |
Population Information (78578 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Total Population: | 10,540 | -- | -- |
| Male: | 5,125 | 48.6% | 49.6% |
| Female: | 5,415 | 51.4% | 50.4% |
| Median Age: | 44.1 yrs | -- | 38.5 yrs |
| Under 5 years: | 836 | 7.9% | 5.7% |
| 5 to 9 years: | 678 | 6.4% | 6.0% |
| 10 to 14 years: | 654 | 6.2% | 6.5% |
| 15 to 19 years: | 516 | 4.9% | 6.6% |
| 20 to 24 years: | 396 | 3.8% | 6.7% |
| 25 to 34 years: | 1,154 | 10.9% | 13.7% |
| 35 to 44 years: | 1,256 | 11.9% | 12.9% |
| 45 to 54 years: | 1,019 | 9.7% | 12.4% |
| 55 to 59 years: | 521 | 4.9% | 6.5% |
| 60 to 64 years: | 866 | 8.2% | 6.4% |
| 65 to 74 years: | 1,419 | 13.5% | 9.7% |
| 75 to 84 years: | 991 | 9.4% | 4.8% |
| 85 years and over: | 234 | 2.2% | 2.0% |
Housing Information (78578 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Median home value: | $184,100 | -- | $281,900 |
| Median rooms: | 4.7 | -- | 5.5 |
| Median rent: | $636 / mo. | -- | $1,268 / mo. |
| Total housing units: | 6,376 | -- | -- |
| Occupied housing units: | 4,119 | 64.6% | 38.0% |
| Vacant housing units: | 2,257 | 35.4% | 4.6% |
| Housing tenure: | -- | -- | -- |
| Owner-occupied: | 2,880 | 69.9% | 64.8% |
| Renter-occupied: | 1,239 | 30.1% | 35.2% |
Educational Attainment (78578 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Population 25 years and over: | 7,460 | -- | -- |
| Less than 9th grade: | 982 | 13.2% | 4.7% |
| 9th to 12th grade, no diploma: | 466 | 6.2% | 6.1% |
| High school graduate: | 2,515 | 33.7% | 26.4% |
| Some college, no degree: | 1,421 | 19.0% | 19.7% |
| Associate degree: | 465 | 6.2% | 8.7% |
| Bachelor's degree: | 960 | 12.9% | 20.9% |
| Graduate or professional degree: | 651 | 8.7% | 13.7% |
| Percent high school graduate or higher: | -- | 80.6% | 89.1% |
| Percent bachelor's degree or higher: | -- | 21.6% | 34.3% |
Income Information (78578 zip code)
| Value | US AvgUS | |
|---|---|---|
| Median household income: | $49,396 / yr. | $75,149 / yr. |
| Mean household income: | $76,990 / yr. | $105,833 / yr. |
| Median family income: | $61,014 / yr. | $92,646 / yr. |
| Per capita income: | $39,112 / yr. | $41,261 / yr. |
Employment (78578 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| In labor force: | 3,742 | -- | 63.5% |
| Employed: | 3,675 | 98.2% | 96.4% |
| Unemployed: | 67 | 1.8% | 5.3% |
| Not in labor force: | 4,565 | -- | -- |
| Class of Worker: | -- | -- | -- |
| Private wage and salary: | 2,482 | 67.5% | 79.7% |
| Government workers: | 860 | 23.4% | 14.2% |
| Self-employed: | 333 | 9.1% | 5.9% |
| Unpaid family workers: | 0 | 0.0% | 0.1% |
Race & Ethnicity (78578 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Race (one race): | -- | -- | -- |
| White: | 9,153 | 86.8% | 61.6% |
| Black or African American: | 0 | 0.0% | 12.4% |
| American Indian/Alaska Native: | 11 | 0.1% | 1.1% |
| Asian: | 40 | 0.4% | 6.0% |
| Native Hawaiian/Pacific Islander: | 0 | 0.0% | 0.2% |
| Some other race: | 351 | 3.3% | 8.4% |
| Two or more races: | 985 | 9.3% | 10.2% |
| Hispanic or Latino (any race): | 1,270 | 12.0% | 18.7% |
| Mexican: | 6,998 | 66.4% | 11.2% |
| Puerto Rican: | 6,803 | 64.5% | 1.8% |
| Cuban: | 6 | 0.1% | 0.7% |
| Other Hispanic or Latino: | 19 | 0.2% | 5.0% |
| Not Hispanic or Latino: | 170 | 1.6% | 81.1% |
Income Distribution (78578 zip code)
| Household Income | Households | Percent% | US AvgUS |
|---|---|---|---|
| Less than $10,000: | 554 | 13.4% | 4.9% |
| $10,000 to $14,999: | 207 | 5.0% | 3.8% |
| $15,000 to $24,999: | 419 | 10.2% | 7.0% |
| $25,000 to $34,999: | 437 | 10.6% | 7.4% |
| $35,000 to $49,999: | 464 | 11.3% | 10.7% |
| $50,000 to $74,999: | 716 | 17.4% | 16.1% |
| $75,000 to $99,999: | 443 | 10.8% | 12.8% |
| $100,000 to $149,999: | 343 | 8.3% | 17.1% |
| $150,000 to $199,999: | 277 | 6.7% | 8.8% |
| $200,000 or more: | 259 | 6.3% | 11.4% |
Commute to Work (78578 zip code)
| Commute Method | Workers | Percent% | US AvgUS |
|---|---|---|---|
| Drove alone: | 3,086 | 84.0% | 67.8% |
| Carpooled: | 147 | 4.0% | 8.7% |
| Public transportation: | 38 | 1.0% | 4.2% |
| Walked: | 27 | 0.7% | 2.5% |
| Other means: | 65 | 1.8% | 0.9% |
| Worked from home: | 231 | 6.3% | 13.8% |
| Mean travel time to work: | 16.7 min | -- | 26.7 min |
Industry (78578 zip code)
| Industry Sector | Workers | Percent% | US AvgUS |
|---|---|---|---|
| Agriculture, forestry, fishing, mining: | 43 | 1.2% | 1.6% |
| Construction: | 166 | 4.5% | 6.9% |
| Manufacturing: | 171 | 4.7% | 10.0% |
| Wholesale trade: | 16 | 0.4% | 2.4% |
| Retail trade: | 403 | 11.0% | 11.0% |
| Transportation, warehousing, utilities: | 219 | 6.0% | 5.8% |
| Information: | 0 | 0.0% | 1.9% |
| Finance, insurance, real estate: | 272 | 7.4% | 6.7% |
| Professional, scientific, management: | 369 | 10.0% | 12.1% |
| Education, health care, social services: | 850 | 23.1% | 23.3% |
| Arts, entertainment, food services: | 744 | 20.2% | 9.0% |
| Other services: | 196 | 5.3% | 4.7% |
| Public administration: | 226 | 6.1% | 4.7% |
Poverty Status (78578 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Poverty Rate: | -- | 24.1% | 8.8% |
| All people below poverty level: | -- | -- | -- |
| Under 18 years: | -- | -- | 16.3% |
| 18 to 64 years: | -- | -- | 11.0% |
| 65 years and over: | -- | -- | 10.3% |
Health Insurance (78578 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| With health insurance: | 6,835 | 64.8% | 91.3% |
| Private health insurance: | 3,803 | 36.1% | 67.6% |
| Public health coverage: | 4,159 | 39.5% | 35.9% |
| Without health insurance: | 3,705 | 35.2% | 8.7% |
Benefits & Assistance (78578 zip code)
| Households with: | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Earnings: | 2,513 | 61.0% | 77.4% |
| Social Security income: | 1,663 | 40.4% | 31.0% |
| Retirement income: | 944 | 22.9% | 21.8% |
| Supplemental Security Income (SSI): | 140 | 3.4% | 4.5% |
| Cash public assistance income: | 44 | 1.1% | 1.8% |
| SNAP (food stamps) benefits: | 195 | 4.7% | 11.4% |
Housing Types (78578 zip code)
| Structure Type | Units | Percent% | US AvgUS |
|---|---|---|---|
| 1-unit, detached: | 2,774 | 43.5% | 61.4% |
| 1-unit, attached: | 315 | 4.9% | 6.1% |
| 2 units: | 415 | 6.5% | 3.4% |
| 3 or 4 units: | 234 | 3.7% | 4.3% |
| 5 to 9 units: | 297 | 4.7% | 4.6% |
| 10 to 19 units: | 219 | 3.4% | 4.3% |
| 20 or more units: | 357 | 5.6% | 9.9% |
| Mobile home: | 1,738 | 27.3% | 5.8% |
| Boat, RV, van, etc.: | 27 | 0.4% | 0.1% |
Year Structure Built (78578 zip code)
| Year Built | Units | Percent% | US AvgUS |
|---|---|---|---|
| Built 2020 or later: | 37 | 0.6% | 0.6% |
| Built 2010 to 2019: | 964 | 15.1% | 8.2% |
| Built 2000 to 2009: | 1,142 | 17.9% | 13.5% |
| Built 1990 to 1999: | 1,208 | 18.9% | 13.2% |
| Built 1980 to 1989: | 1,195 | 18.7% | 13.2% |
| Built 1970 to 1979: | 1,085 | 17.0% | 14.6% |
| Built 1960 to 1969: | 385 | 6.0% | 10.2% |
| Built 1950 to 1959: | 291 | 4.6% | 9.9% |
| Built 1940 to 1949: | 69 | 1.1% | 4.6% |
| Built 1939 or earlier: | 0 | 0.0% | 12.0% |
Bedrooms (78578 zip code)
| Number of Bedrooms | Units | Percent% | US AvgUS |
|---|---|---|---|
| No bedroom (studio): | 109 | 1.7% | 2.4% |
| 1 bedroom: | 945 | 14.8% | 3.0% |
| 2 bedrooms: | 2,507 | 39.3% | 9.1% |
| 3 bedrooms: | 2,383 | 37.4% | 15.9% |
| 4 bedrooms: | 403 | 6.3% | 18.8% |
| 5 or more bedrooms: | 29 | 0.5% | 17.6% |
Heating Fuel (78578 zip code)
| Fuel Type | Units | Percent% | US AvgUS |
|---|---|---|---|
| Utility gas: | 199 | 4.8% | 47.1% |
| Bottled, tank, or LP gas: | 123 | 3.0% | 4.9% |
| Electricity: | 3,751 | 91.1% | 40.2% |
| Fuel oil, kerosene, etc.: | 0 | 0.0% | 4.2% |
| Coal or coke: | 0 | 0.0% | 0.1% |
| Wood: | 0 | 0.0% | 1.5% |
| Solar energy: | 0 | 0.0% | 0.1% |
| Other fuel: | 0 | 0.0% | 0.5% |
| No fuel used: | 46 | 1.1% | 0.2% |
Vehicles Available (78578 zip code)
| Vehicles | Households | Percent% | US AvgUS |
|---|---|---|---|
| No vehicle available: | 134 | 3.3% | 8.3% |
| 1 vehicle available: | 2,307 | 56.0% | 32.6% |
| 2 vehicles available: | 1,347 | 32.7% | 37.0% |
| 3 or more vehicles available: | 331 | 8.0% | 22.1% |
Home Value Distribution (78578 zip code)
| Value Range | Owner Units | Percent% | US AvgUS |
|---|---|---|---|
| Less than $50,000: | 183 | 6.4% | 5.7% |
| $50,000 to $99,999: | 470 | 16.3% | 7.8% |
| $100,000 to $149,999: | 508 | 17.6% | 9.2% |
| $150,000 to $199,999: | 439 | 15.2% | 10.8% |
| $200,000 to $299,999: | 464 | 16.1% | 19.9% |
| $300,000 to $499,999: | 586 | 20.3% | 24.1% |
| $500,000 to $999,999: | 181 | 6.3% | 17.0% |
| $1,000,000 or more: | 49 | 1.7% | 5.6% |
Housing Costs (78578 zip code)
| Value | US AvgUS | |
|---|---|---|
| Median owner costs (with mortgage): | $1,702 / mo. | $1,828 / mo. |
| Median owner costs (no mortgage): | $500 / mo. | $584 / mo. |
| Median gross rent: | $636 / mo. | $1,268 / mo. |
| Average household size (owner-occupied): | 2.50 | 2.53 |
| Average household size (renter-occupied): | 2.69 | 2.38 |
Households (78578 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Total households: | 4,119 | -- | -- |
| Married-couple households: | 2,128 | 51.7% | 47.5% |
| Cohabiting couple households: | 718 | 17.4% | 7.0% |
| Male householder, no spouse: | 742 | 18.0% | 5.4% |
| Female householder, no spouse: | 1,223 | 29.7% | 12.7% |
| Householder living alone: | 1,193 | 29.0% | 28.6% |
| 65 years and over living alone: | 1,855 | 45.0% | 11.8% |
| Average household size: | 2.56 | -- | 2.53 |
| Average family size: | 3.23 | -- | -- |
Marital Status (78578 zip code)
| Population 15 years and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Total: | 4,139 | -- | -- |
| Never married: | 872 | 21.1% | 37.0% |
| Now married: | 2,683 | 64.8% | 49.5% |
| Separated: | 214 | 5.2% | 1.5% |
| Widowed: | 346 | 8.4% | 2.6% |
| Divorced: | 804 | 19.4% | 9.3% |
School Enrollment (78578 zip code)
| Population 3 years and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Enrolled in school: | 2,014 | -- | -- |
| Nursery school, preschool: | 50 | 2.5% | 5.8% |
| Kindergarten: | 154 | 7.6% | 5.0% |
| Elementary school (grades 1-8): | 1,022 | 50.7% | 40.5% |
| High school (grades 9-12): | 527 | 26.2% | 21.4% |
| College or graduate school: | 261 | 13.0% | 27.3% |
Veterans & Disability (78578 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Civilian population 18 years and over: | 8,005 | -- | -- |
| Veterans: | 561 | 7.0% | 6.3% |
| Civilian noninstitutionalized population: | 10,540 | -- | -- |
| With a disability: | 1,066 | 10.1% | 13.4% |
| Under 18 with disability: | 29 | 2.7% | 5.8% |
| 18 to 64 with disability: | 424 | 39.8% | 10.4% |
| 65 and over with disability: | 613 | 57.5% | 33.4% |
Mobility (Residence 1 Year Ago) (78578 zip code)
| Population 1 year and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Same house: | 9,675 | 91.8% | 86.9% |
| Different house: | 717 | 6.8% | 13.1% |
| Same county: | 437 | 60.9% | 7.0% |
| Different county: | 280 | 39.1% | 3.2% |
| Different state: | 180 | 25.1% | 2.5% |
| Abroad: | 0 | 0.0% | 0.4% |
Place of Birth (78578 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Native born: | 8,567 | 81.3% | 86.2% |
| Foreign born: | 22 | 0.2% | 13.9% |
| Naturalized citizen: | 1,973 | 8968.2% | 52.7% |
| Not a citizen: | 1,973 | 8968.2% | 47.3% |
| Foreign-born by region: | -- | -- | -- |
| Europe: | 1,973 | 8968.2% | 10.5% |
| Asia: | 49 | 222.7% | 31.3% |
| Africa: | 0 | 0.0% | 5.5% |
| Oceania: | 0 | 0.0% | 0.5% |
| Latin America: | 1,787 | 8122.7% | 50.0% |
| Northern America: | 92 | 418.2% | 2.2% |
Language Spoken at Home (78578 zip code)
| Population 5 years and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Total: | 9,704 | -- | -- |
| English only: | 5,869 | 60.5% | 78.3% |
| Language other than English: | 3,835 | 39.5% | 21.5% |
| By language: | -- | -- | -- |
| Spanish: | 3,736 | 38.5% | 13.3% |
| Other Indo-European languages: | 77 | 0.8% | 3.5% |
| Asian/Pacific Island languages: | 22 | 0.2% | 3.5% |
| Other languages: | 0 | 0.0% | 1.0% |
Computers & Internet (78578 zip code)
| Households | Percent% | US AvgUS | |
|---|---|---|---|
| Households with a computer: | 4,119 | 100.0% | 93.1% |
| Households with broadband internet: | 3,838 | 93.2% | 89.4% |
Port Isabel, TX78578