# Rio (surname)

Source: https://namelineage.com/surname/rio/  
Publisher: Name Lineage. Counts from the US Census Bureau; origin and etymology from Wiktionary; bearers from Wikidata. Data updated 2026-11-11.

| Field | Value |
|---|---|
| Origin | not recorded |
| Type | not recorded |
| People in the US (2010 Census) | 1,581 |
| US rank (2010) | 17,726 of 162,253 |
| How often | about 1 in every 195,285 people |
| Change since 2000 | +8.4% (1,458 in 2000) |
| Pronunciation | not recorded |
| Variant spellings | none recorded |

## Who carries it

Share of people named Rio in the 2010 US Census by the Census's own race and ethnicity groups. The Census suppresses a share when the count behind it is small.

| Group | Share |
|---|---|
| White (not Hispanic) | 57% |
| Hispanic or Latino (any race) | 31% |
| Asian and Pacific Islander | 8.4% |
| Two or more races | 2.1% |

## Similar surnames

Ray, Rowe, Roy, Roe, Rea, Rao, Rau, Rey, Rhea, Raya, Roa, Rae.

## How to read these numbers

A Census count is people alive and counted in 2010, not births, and names occurring fewer than 100 times are not published at all. Ethnicity shares are the Census's own categories.