How common is the surname Koster?

6,580 people in the United States had the surname Koster in the 2010 Census, about 1 in every 46,922 Americans. It ranked 5,293rd of 162,253 surnames.

What ethnicity is the surname Koster?

In the 2010 Census, 94% of people named Koster identified as white (not Hispanic), and 2.1% as Hispanic or Latino (any race).

Who is the most famous person named Koster?

Henry Koster, American film director (1905–1988).

Where is the surname Koster most common?

Wikidata records people named Koster in Germany.

Is the surname Koster getting more or less common?

More common. 6,137 people carried it in the 2000 Census and 6,580 in 2010, up 7.2%.

The surname Koster

A surname, carried by 6,580 people in the United States.

2 syllables Soundex K236

Every surname held by 100 or more people in the 2010 US Census, most common on the left (162,253 in all). Koster is more common than 96.7% of them.

Origin

A surname.

Origin from Wiktionary (CC BY-SA 4.0).

How common it is

2010 US Census

There were 6,580 people named Koster in the United States in 2010, about 1 in every 46,922 Americans. That is up 7.2% since 2000, when the Census counted 6,137.

#5,293

rank among US surnames

6,580

people in 2010

2.2

per 100,000 Americans

+7.2%

change since 2000 (was #5,226)

Rank	Surname	People	1 in
#5,287	Bays	6,588	46,865
#5,288	Brodie	6,585	46,886
#5,289	Mallard	6,583	46,900
#5,293	Koster	6,580	46,922
#5,295	Beeman	6,578	46,936

Who is named Koster

Race and Hispanic origin as people reported it in the 2010 Census

94% of people named Koster identified as white (not Hispanic), 2.1% as Hispanic or Latino (any race) and 1.2% as Black (not Hispanic).

White (not Hispanic) 94%
Hispanic or Latino (any race) 2.1%
Black (not Hispanic) 1.2%
Two or more races 1.1%
American Indian and Alaska Native 0.7%
Asian and Pacific Islander 0.6%

Compare: most common surnames among white Americans.

Famous Kosters

1 notable person on Wikidata, most written-about first

Henry Koster
American film director (1905–1988)

Spellings and sound-alikes

Useful when a record has your ancestor under another spelling

Surnames that sound like Koster

Koster has the Soundex code K236, the code US census indexes have used since the 1930s. Every surname with code K236.

Questions

How common is the surname Koster?: 6,580 people in the United States had the surname Koster in the 2010 Census, about 1 in every 46,922 Americans. It ranked 5,293rd of 162,253 surnames.
What ethnicity is the surname Koster?: In the 2010 Census, 94% of people named Koster identified as white (not Hispanic), and 2.1% as Hispanic or Latino (any race).
Who is the most famous person named Koster?: Henry Koster, American film director (1905–1988).
Where is the surname Koster most common?: Wikidata records people named Koster in Germany.
Is the surname Koster getting more or less common?: More common. 6,137 people carried it in the 2000 Census and 6,580 in 2010, up 7.2%.