County hub small town Texas

Cameron County, TX

Aggregated demographic, housing, and geographic context for the 16 ZIP codes inside Cameron County, drawn from public Census ACS and SimpleMaps data.

ZIP codes
16
in this county
Total population
420,284
across all listed ZIPs
Cities
13
distinct city/town names
Avg density
225
people / sq mi
Avg median income
$50,022
household, ACS
Avg home value
$114,833
owner-occupied

ZIP codes in Cameron County

ZIPCityPopulationDensityMedian income
78521 Brownsville 88,791 366 $38,633
78520 Brownsville 60,592 589 $45,093
78526 Brownsville 58,713 478 $66,339
78550 Harlingen 54,486 223
78586 San Benito 48,726 123
78552 Harlingen 41,382 333
78566 Los Fresnos 24,551 68
78559 La Feria 12,819 136
78578 Port Isabel 10,551 72
78583 Rio Hondo 5,952 25
78575 Olmito 5,077 235
78593 Santa Rosa 4,857 49
78597 South Padre Island 2,138 93
78535 Combes 713 660
78592 Santa Maria 618 69
78567 Los Indios 318 88

About Cameron County

Counties are the workhorse unit of American local government — they administer property taxes, run the courts and sheriff’s office, manage many road and library systems, and in much of the country they collect public health and zoning data that ZIP codes don’t. Cameron County in Texas contains roughly 16 ZIP codes spread across 13 distinct cities and unincorporated communities, with an aggregate population of about 420,284. Reading those ZIPs together at the county level smooths over neighborhood-by-neighborhood noise and surfaces the broader economic and demographic shape of the area. For block-level detail, drill into any individual ZIP profile or compare against the wider Texas index.

The average density across listed ZIPs sits at roughly 225, which classifies the county overall as a small town environment. That label is a generalization — nearly every county contains both a relatively dense core and quieter outlying ZIPs, and the gap between them is often what determines where you actually want to live or open a business. Average median household income in our enriched ZIPs lands near $50,022, with average owner-occupied home values around $114,833; both numbers move dramatically as you cross from one ZIP to the next, so use the table above as a sorting tool, not a verdict.

If you’re moving into Cameron County, the county itself is also where most of your real-life paperwork will land — vehicle registration, voter registration, property recording, and school district enrollment in many states. Knowing the county that contains your prospective ZIP makes it much easier to look up the right tax assessor, election office, or school district website. Our relocation guide walks through the order in which to tackle these handoffs after a move.

For service-area planning, the county is also where most US business licensing and many sales-tax rules are administered. Service businesses scoping Cameron County should pair this aggregate view with the individual ZIP profiles to identify the densest, highest-income pockets first, then expand outward along whatever transportation corridor matches their delivery model.