Rio Hondo, Texas

Rio Hondo population, 2020 to 2024

Rio Hondo added 282 residents from July 2020 to July 2024, a change of +13.9%. In the latest year it moved by +2.

Rio Hondo covers 1.69 square miles of land and 0.13 of water, for 1,367 people per square mile of land. The median Texas place of 5,000+ has 1,561, so Rio Hondo is less dense than the typical town.

What county Rio Hondo is in

All of Rio Hondo's residents live in Cameron County, which had 431,874 residents in 2024. Rio Hondo holds 0.5% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Rio Hondo

2 ZIP Code Tabulation Areas (ZCTAs) overlap Rio Hondo by at least 10% of the ZCTA's or the city's land: 78550, 78583. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Rio Hondo is

The Census internal point of Rio Hondo is at 26.234600, -97.581500. Austin, the capital, is 279.3 miles N in a straight line. The nearest larger place is Harlingen, TX (72,234 people), 7.8 miles away. The nearest city of 100,000 or more is Brownsville, TX, 18.4 miles away.

Daylight in Rio Hondo

At 26.23° N, Rio Hondo gets about 13 h 47 min of daylight around the June solstice and 10 h 30 min around the December solstice, a swing of 3 h 17 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Rio Hondo

The eight nearest incorporated places of 1,000+ in Texas, measured between internal points. The closest is Harlingen, 7.8 miles away, with 72,234 people.