# Delong (surname)

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

A surname.

| Field | Value |
|---|---|
| Origin | not recorded |
| Type | not recorded |
| People in the US (2010 Census) | 17,844 |
| US rank (2010) | 2,022 of 162,253 |
| How often | about 1 in every 17,302 people |
| Change since 2000 | +1.5% (17,575 in 2000) |
| Pronunciation | not recorded |
| Variant spellings | none recorded |

## Who carries it

Share of people named Delong 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) | 93% |
| Black (not Hispanic) | 0.8% |
| Hispanic or Latino (any race) | 2.2% |
| Asian and Pacific Islander | 0.8% |
| American Indian and Alaska Native | 1.0% |
| Two or more races | 1.7% |

## Where

Wikidata records people named Delong in the United States.

## People named Delong

- George W. De Long, American polar explorer (1844–1881)
- J. Bradford DeLong, American economist
- Mahlon DeLong, American neurologist

## Similar surnames

Dellinger, Delangel, DeLange, Dowling, Dillingham, Dillinger, Delancey, Dollins, Dilling, Dooling, Dollinger.

## 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.