How common is the surname Koski?

5,288 people in the United States had the surname Koski in the 2010 Census, about 1 in every 58,386 Americans. It ranked 6,424th of 162,253 surnames.

Is the surname Koski getting more or less common?

Less common. 5,655 people carried it in the 2000 Census and 5,288 in 2010, down 6.5%.

The surname Koski

A surname, carried by 5,288 people in the United States.

2 syllables Soundex K200

Every surname held by 100 or more people in the 2010 US Census, most common on the left (162,253 in all). Koski is more common than 96% of them.

How common it is

2010 US Census

There were 5,288 people named Koski in the United States in 2010, about 1 in every 58,386 Americans. That is down 6.5% since 2000, when the Census counted 5,655.

#6,424

rank among US surnames

5,288

people in 2010

1.8

per 100,000 Americans

-6.5%

change since 2000 (was #5,629)

Rank	Surname	People	1 in
#6,416	Mick	5,299	58,265
#6,417	Woolard	5,296	58,298
#6,418	Reber	5,295	58,309
#6,420	Peres	5,294	58,320
#6,421	Gillett	5,293	58,331
#6,422	Gadson	5,291	58,353
#6,423	Lampe	5,290	58,364

Who is named Koski

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

95% of people named Koski identified as white (not Hispanic), 2.0% as two or more races and 1.7% as Hispanic or Latino (any race).

White (not Hispanic) 95%
Two or more races 2.0%
Hispanic or Latino (any race) 1.7%
Asian and Pacific Islander 1.0%
American Indian and Alaska Native 0.6%
Black (not Hispanic) 0.1%

Compare: most common surnames among white Americans.

Spellings and sound-alikes

Useful when a record has your ancestor under another spelling

Surnames that sound like Koski

Koski has the Soundex code K200, the code US census indexes have used since the 1930s. Every surname with code K200.

Questions

How common is the surname Koski?: 5,288 people in the United States had the surname Koski in the 2010 Census, about 1 in every 58,386 Americans. It ranked 6,424th of 162,253 surnames.
What ethnicity is the surname Koski?: In the 2010 Census, 95% of people named Koski identified as white (not Hispanic), and 2.0% as two or more races.
Is the surname Koski getting more or less common?: Less common. 5,655 people carried it in the 2000 Census and 5,288 in 2010, down 6.5%.