Explore the Family Name Riofrio
The meaning of Riofrio
Spanish (Riofrío): habitational name from any of the places called Riofrío or containing this compound, meaning ‘cold river’.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Riofrio in the United States?
Based on the Decennial U.S. Census, the surname Riofrio has seen a rise in popularity between 2000 and 2010. In 2000, it ranked 64,572 on the list of most popular surnames, but by 2010, it had risen to rank 48,436, showing a significant increase of nearly 25 percent. The count of individuals carrying this surname also surged from 288 in 2000 to 436 in 2010, representing an impressive growth of approximately 51 percent. Moreover, for every 100,000 people, there were 0.11 individuals with this surname in 2000, and this increased to 0.15 by 2010, marking an upswing of around 36 percent.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #64,572 | #48,436 | 24.99% |
| Count | 288 | 436 | 51.39% |
| Proportion per 100k | 0.11 | 0.15 | 36.36% |
Race and Ethnicity of people with the last name Riofrio
Discussing the ethnic identity of the surname Riofrio, data from the Decennial U.S. Census shows that the majority of people with this surname identified as Hispanic in both 2000 and 2010. The proportion of individuals identifying as Hispanic increased slightly from 90.97 percent in 2000 to 93.12 percent in 2010. Meanwhile, the percentage of people identifying as white decreased by almost 16 percent from 7.64 percent in 2000 to 6.42 percent in 2010. No individuals with the Riofrio surname identified as Asian/Pacific Islander, Black, or American Indian and Alaskan Native in either census year.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Hispanic | 90.97% | 93.12% | 2.36% |
| White | 7.64% | 6.42% | -15.97% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| Two or More Races | 0% | 0% | 0% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |