Rio Grande City, Texas

Rio Grande City population, 2020 to 2024

Rio Grande City added 185 residents from July 2020 to July 2024, a change of +1.2%. In the latest year it moved by +81. Among 384 Texas places of 5,000 or more, that growth ranks 263rd; the median place changed by +4.5%. The median place of 5,000+ in Texas has 15,345 people, so Rio Grande City is 1.0 times that size.

Rio Grande City covers 11.35 square miles of land, for 1,368 people per square mile of land. The median Texas place of 5,000+ has 1,561, so Rio Grande City is less dense than the typical town.

What county Rio Grande City is in

All of Rio Grande City's residents live in Starr County, which had 66,587 residents in 2024. Rio Grande City holds 23.3% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Rio Grande City

1 ZIP Code Tabulation Area (ZCTA) overlaps Rio Grande City by at least 10% of the ZCTA's or the city's land: 78582. 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 Grande City is

The Census internal point of Rio Grande City is at 26.381000, -98.821500. Austin, the capital, is 276.9 miles NNE in a straight line. The nearest larger place is Palmview, TX (16,030 people), 29.1 miles away. The nearest city of 100,000 or more is McAllen, TX, 37.2 miles away.

Daylight in Rio Grande City

At 26.38° N, Rio Grande City gets about 13 h 48 min of daylight around the June solstice and 10 h 29 min around the December solstice, a swing of 3 h 19 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Rio Grande City

The eight nearest incorporated places of 1,000+ in Texas, measured between internal points. The closest is Escobares, 8.8 miles away, with 2,589 people.