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ZIP 78578 · Port Isabel

Who lives in ZIP code 78578 (Port Isabel, TX): age, income, housing, education and work.

Source: uszips 2026 (ACS-based ZIP file)

2026 ZIP profile

Port Isabel, TX · Cameron County

uszips 2026
People10,016
Median age49.0
Household income$51,880
Home value$195,413
Median rent$749/mo
Poverty27.0%
College degree+28.6%
Commute17 min

Place

Metro area
Brownsville-Harlingen, TX
Wider region
Brownsville-Harlingen-Raymondville, TX
Time zone
Central
Density
68 / sq mi
Housing units
4,379

County

Cameron100%

Share of the ZIP's people in each county.

Age mix

Under 109.8%
10–1911.5%
20s11.2%
30s8.9%
40s10.3%
50s10.9%
60s16.6%
70s13.4%
80+7.4%

27.2% are 65 or older; 79.9% are adults.

Household income

Under $25K28.5%
$25K–50K19.2%
$50K–75K11.6%
$75K–100K11.4%
$100K–150K12.9%
$150K+16.3%

29.2% of households earn $100K+. Median per person: $35,623.

Education (adults 25+)

Less than high school18.9%
High school28.2%
Some college24.3%
Bachelor's19.4%
Graduate9.2%

45.3% of degrees are in STEM fields.

Race

White61.5%
Black0.0%
Asian0.5%
Native American0.1%
Pacific Islander0.0%
Other5.7%
Two or more32.2%

57.3% Hispanic or Latino (of any race).

Households & family

Married
58.0%
Never married
25.1%
Divorced
6.9%
Widowed
10.0%
Family size
2.87
Dual-income families
38.7%

Housing

Own their home
74.6%
Rent burden
30.0%
Men / women
47% / 53%

Work

In labor force
48.8%
Unemployment
3.6%
Self-employed
16.3%
Farmers
0.5%

Community

Charitable givers
12.7%
Veterans
5.8%
With a disability
8.8%
No health insurance
32.4%
Limited English
18.3%

Source: uszips 2026 (ACS-based ZIP file). Shares are percentages of people, households or adults as the measure implies.

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