HomeTexasCameron CountyPort Isabel
Port Isabel, Texas: commercial real estate data.
Port Isabel is a Census city of 5,111 people across 6.79 square miles of land, in Cameron County. Median household income is $32,222, 60.0 percent of occupied homes are owned, and the SBA record carries 2 7(a) approvals to borrowers here worth $3.3 m since FY2020.
Underlined figures are computed by MMCG Analytics, not published by the agency.
Port Isabel
What Port Isabel is
- Census place typecity
- Land area6.79 sq mi
- Water area7.01 sq mi
- Population per square mile of land753
- County holding the largest share of its areaCameron County, 100.0 percent
US Census Bureau, cartographic boundary file, places, 2024 vintage. US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Port Isabel
How many people live in Port Isabel
- Population5,111
- Median age37.8 plus or minus 10.7
- Population under 181,303 plus or minus 404
- Share under 1825.5 percent plus or minus 7.9
- Population 65 and over737 plus or minus 215
- Share 65 and over14.4 percent plus or minus 4.2
- Households2,067
- Family households1,232
- Share of households that are families59.6 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Port Isabel
Income and work in Port Isabel
- Median household income$32,222 plus or minus $25,587
- Per capita income$28,722 plus or minus $8,263
- Civilian labor force2,462
- Employed2,333
- Unemployed129 plus or minus 118
- Unemployment rate5.2 percent plus or minus 4.7
- Adults 25 and over3,202
- Adults 25 and over with a high school diploma or higher72.0 percent
- Adults 25 and over with a bachelor degree or higher17.8 percent plus or minus 5.7
- Adults 25 and over with a graduate degree4.5 percent plus or minus 2.9
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Port Isabel
Housing in Port Isabel
- Housing units2,661
- Occupied units2,067
- Vacant units594 plus or minus 177
- Vacancy rate22.3 percent plus or minus 6.1
- Owner occupied1,241 plus or minus 311
- Renter occupied826 plus or minus 220
- Ownership rate60.0 percent plus or minus 12.9
- Median owner-occupied home value$182,600 plus or minus $55,456
- Median gross rent, monthly$748
- Annual rent as a share of median income27.9 percent plus or minus 22.2
- Single family units1,146 plus or minus 292
- Share single family43.1 percent plus or minus 9.7
- Units in buildings of two or more733 plus or minus 256
- Share in buildings of two or more27.5 percent plus or minus 9.0
- Mobile homes760 plus or minus 242
- Median year structure built1982
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Port Isabel
How Port Isabel gets to work
- Workers 16 and over who commute2,189
- Commuting under 15 minutes1,214 plus or minus 332
- Share commuting under 15 minutes55.5 percent plus or minus 12.2
- Commuting 30 minutes or more239 plus or minus 111
- Share commuting 30 minutes or more10.9 percent plus or minus 4.7
- Drove alone69.8 percent
- Carpooled21.0 percent plus or minus 10.4
- Public transport0.0 percent
- Walked0.6 percent plus or minus 1.0
- Worked from home5.4 percent plus or minus 5.3
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Port Isabel
SBA loans in Port Isabel (7(a))
- Approvals2
- Gross approval$3,250,000
- Average approval$1,625,000
- Median approval$1,625,000
- Largest approval$3,100,000
- Jobs supported54
- Jobs per approval27.0
- Loans with a final outcome0
- Paid in full0
- Charged off0
- Median term204 months
- Share on real estate terms of 20 years or more50.0 percent
- Share to franchises50.0 percent
- Distinct lenders2
- Distinct industries by NAICS2
Counted by borrower city: approvals to borrowers whose address is in Port Isabel, in any county, FY2020 to FY2026. Only 0 loans have reached a final outcome, fewer than the 30 a charge-off rate needs, so no rate is published.
US Small Business Administration, 7(a) FOIA release, FY2020 to FY2026 year to date, as of 2026-06-30.
Port Isabel
Flood risk in Port Isabel
- NFIP communityCity of Port Isabel
- NFIP community number480109
- Participating in the NFIPYes
- Community Rating System classNone
- Currently effective map date02/16/18
The City of Port Isabel participates in the National Flood Insurance Program as community 480109 and carries no Community Rating System class, so no CRS premium discount applies to it.
Federal Emergency Management Agency, NFIP Community Status Book (OpenFEMA), as of 2026-09-26.
Cameron County, not Port Isabel
Cameron County context, not Port Isabel figures
- Establishments in Cameron County6,732
- Covered employment, Cameron County156,619
- Average annual pay, Cameron County$44,590
- Housing units permitted, Cameron County2,347
Every figure in this section is published for Cameron County as a whole and is not a measurement of Port Isabel.
US Census Bureau, County Business Patterns, 2023. US Bureau of Labor Statistics, Quarterly Census of Employment and Wages, 2024 annual averages. US Census Bureau, Building Permits Survey, 2024 annual.
Coverage
What this page does not hold.
Parcel detail, zoning and the flood zone at an address are not on this page; they resolve at the address in the platform. How this page was built →
Common questions
Port Isabel questions, answered from the record.
How many people live in Port Isabel, Texas?
5,111, in 2,067 households. Port Isabel city covers 6.79 square miles of land, which is 753 people per square mile. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
What county is Port Isabel in?
Cameron County, which holds 100.0 percent of the place by area. Source: US Census Bureau, cartographic boundary file, places, 2024 vintage.
What is the median household income in Port Isabel?
$32,222. The median owner-occupied home is valued at $182,600. Median gross rent is $748 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
How much SBA lending goes to Port Isabel businesses?
2 7(a) approvals totaling $3.3 m since FY2020, across 2 lenders, median approval $1,625,000. These count approvals to borrowers whose address is in Port Isabel, not projects sited inside the place boundary, and they are approvals recorded in the release rather than loans disbursed.
Do SBA loans to Port Isabel borrowers get paid back?
No rate is published for Port Isabel. Only 0 loans have reached a final outcome, fewer than the 30 a charge-off rate needs, so no rate is published. The counts are shown instead.
Is Port Isabel in the National Flood Insurance Program?
Yes. Port Isabel appears in the FEMA Community Status Book as Port Isabel, city of, community 480109, with no Community Rating System class, so no CRS discount applies. Whether a specific parcel sits in a mapped special flood hazard area is an address level question the platform answers.
Are the county figures on this page Port Isabel figures?
No, and they are labeled so. County Business Patterns, QCEW, the Building Permits Survey, BEA product and IRS migration are published for Cameron County as a whole and there is no place level equivalent. They appear in one clearly marked section as context and are never presented as measurements of Port Isabel.
Is zoning published for Port Isabel?
No. Nothing on this page presents parcel level zoning.