# Kast (surname)

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

A surname from German.

| Field | Value |
|---|---|
| Origin | German |
| Type | not recorded |
| People in the US (2010 Census) | 2,048 |
| US rank (2010) | 14,549 of 162,253 |
| How often | about 1 in every 150,755 people |
| Change since 2000 | +3.5% (1,978 in 2000) |
| Pronunciation | /kæst/, 1 syllable |
| Variant spellings | none recorded |

## Etymology

* As a German surname, from Kast, a spelling variant of Karst, the dropping of the r being common in northern dialects, from the noun Karst (“hoe, mattock”). * As an Alemannic German surname, from the medieval personal name Arbogast. * See also the etymology at Gast.

## Who carries it

Share of people named Kast 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) | 95% |
| Black (not Hispanic) | 0.4% |
| Hispanic or Latino (any race) | 2.2% |
| Asian and Pacific Islander | 0.9% |
| American Indian and Alaska Native | 0.4% |
| Two or more races | 0.9% |

## Similar surnames

Kost, Kist, Kight, Kuchta, Kogut.

## 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.