Rio Grande City is located in Texas. Rio Grande City, Texas has a population of 14,310. Rio Grande City is less family-centric than the surrounding county with 33.08% of the households containing married families with children. The county average for households married with children is 36.06%.
The median household income in Rio Grande City, Texas is $35,812. The median household income for the surrounding county is $27,133 compared to the national median of $57,652. The median age of people living in Rio Grande City is 30.5 years.
The average high temperature in July is 98.4 degrees, with an average low temperature in January of 45.9 degrees. The average rainfall is approximately 22.1 inches per year, with 0.1 inches of snow per year.