ZIP Code 78566

ZIP code 78566 is classified by USPS as a standard delivery area and covers roughly 297.8 square miles in Los Fresnos, Cameron County, Texas. The area is home to 16,230 residents, producing a population density of 55 people per square mile, and falls within the Chicago time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 78566 against Texas and the nation.

On the economic side, the median household income for ZIP 78566 sits at $60,187 (20% below the Texas average), while per-capita income is $24,638. The poverty rate stands at 29.9% and the unemployment rate at 4.9%. On housing, the median home value is $154,300 (38% below the state average) with median rent at $891 per month, and 75.0% of occupied units are owner-occupied, a direct signal of whether 78566 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 21.4% of adults hold a bachelor's degree or higher, the median age is 33, and the average commute is 27 minutes. We also surface 3 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Cameron County, so you can benchmark 78566 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →