If you're looking for some demographic statistics about Rio Hondo City, you've come to the right place. This article will explore the population and steets statistics of this city. To get a general idea about Rio Hondo's population, look at the map below. It includes the population's age. As of 2010, the age group under 20 accounted for 30.9 percent of the city's population, but that number has fallen to 25 percent today. Meanwhile, the number of people aged 45 and over has increased from 30.8 percent to 38.1 percent. The median age of the population has also increased from 31.6 years in 2010 to 35.7 years in 2019.