Rio Grande City is a medium-sized city located in the state of Texas. With a population of 15,269 people and nine associated neighborhoods, Rio Grande City is the 189th largest community in Texas.

Rio Grande City is a small city, and as such doesn't have a public transit system that people use to get to and from their jobs every day.

The education level of Rio Grande City citizens, measured as those with bachelor's degrees or advanced degrees, is similar to the national average for all American cities and towns. 18.55% of adults 25 and older in Rio Grande City have a college degree.

The per capita income in Rio Grande City in 2022 was $20,612, which is low income relative to Texas and the nation. This equates to an annual income of $82,448 for a family of four. However, Rio Grande City contains both very wealthy and poor people as well. Rio Grande City also has one of the higher rates of people living in poverty in the nation, with 30.03% of its population below the federal poverty line.

Rio Grande City is an extremely ethnically-diverse city. The people who call Rio Grande City home describe themselves as belonging to a variety of racial and ethnic groups. People of Hispanic or Latino origin are the most prevalent group in Rio Grande City, accounting for 95.14% of the city’s residents (people of Hispanic or Latino origin can be of any race). The greatest number of Rio Grande City residents report their race to be White, followed by Asian. Important ancestries of people in Rio Grande City include Swiss, Irish, German, Italian, and Welsh.

Rio Grande City also has a high percentage of its population that was born in another country: 21.99%.

The most common language spoken in Rio Grande City is Spanish. Other important languages spoken here include English and Polish.