In 2023, Rio en Medio, NM had a population of 64 people with a median age of 67.3 and a median household income of $195,750. Between 2022 and 2023 the population of Rio en Medio, NM declined from 190 to 64, a −66.3% decrease and its median household income grew from $94,063 to $195,750, a 108% increase.
The 5 largest ethnic groups in Rio en Medio, NM are White (Hispanic) (67.2%), White (Non-Hispanic) (32.8%), Black or African American (Non-Hispanic) (0%), American Indian & Alaska Native (Non-Hispanic) (0%), and Asian (Non-Hispanic) (0%).
None of the households in Rio en Medio, NM reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
95.3% of the residents in Rio en Medio, NM are U.S. citizens.