ZIP 78588 · San Isidro
Who lives in ZIP code 78588 (San Isidro, TX): age, income, housing, education and work.
Source: uszips 2026 (ACS-based ZIP file)
2026 ZIP profile
San Isidro, TX · Starr County
uszips 2026
People289
Median age41.2
Household income$94,821
Home value—
Median rent$520/mo
Poverty0.0%
College degree+28.8%
Commute19 min
Place
- Metro area
- Rio Grande City-Roma, TX (micro)
- Wider region
- McAllen-Edinburg, TX
- Time zone
- Central
- Density
- 3 / sq mi
- Housing units
- 67
Spans 2 counties
Share of the ZIP's people in each county.
Age mix
14.2% are 65 or older; 68.9% are adults.
Household income
47.7% of households earn $100K+. Median per person: $28,523.
Education (adults 25+)
76.6% of degrees are in STEM fields.
Race
88.6% Hispanic or Latino (of any race).
Households & family
- Married
- 35.3%
- Never married
- 51.9%
- Divorced
- 2.6%
- Widowed
- 10.2%
- Family size
- 4.51
- Dual-income families
- 57.4%
Housing
- Own their home
- 65.7%
- Rent burden
- 6.6%
- Men / women
- 50% / 51%
Work
- In labor force
- 49.8%
- Unemployment
- 0.0%
- Self-employed
- 13.3%
- Farmers
- 20.0%
Community
- Charitable givers
- 0.0%
- Veterans
- 1.0%
- With a disability
- 11.4%
- No health insurance
- 2.8%
- Limited English
- 6.0%
Source: uszips 2026 (ACS-based ZIP file). Shares are percentages of people, households or adults as the measure implies.