How common is the surname Castle?

20,534 people in the United States had the surname Castle in the 2010 Census, about 1 in every 15,036 Americans. It ranked 1,744th of 162,253 surnames.

Who is the most famous person named Castle?

Nick Castle, American film director, actor and screenwriter, followed by William Castle.

Where is the surname Castle most common?

Wikidata records people named Castle in the United States, the United Kingdom and Australia and 1 other country.

Is the surname Castle getting more or less common?

More common. 19,768 people carried it in the 2000 Census and 20,534 in 2010, up 3.9%.

The surname Castle

A place surname, carried by 20,534 people in the United States.

2 syllables Soundex C234

Every surname held by 100 or more people in the 2010 US Census, most common on the left (162,253 in all). Castle is more common than 98.9% of them.

Origin

English surname, from the noun castle.

Castle is a place surname: taken from where an ancestor lived or came from.

Origin from Wiktionary (CC BY-SA 4.0).

How common it is

2010 US Census

There were 20,534 people named Castle in the United States in 2010, about 1 in every 15,036 Americans. That is up 3.9% since 2000, when the Census counted 19,768.

#1,744

rank among US surnames

20,534

people in 2010

7.0

per 100,000 Americans

+3.9%

change since 2000 (was #1,661)

Rank	Surname	People	1 in
#1,735	Palma	20,636	14,962
#1,736	Escalante	20,626	14,969
#1,737	Cahill	20,623	14,971
#1,738	Schaffer	20,614	14,977
#1,739	Guidry	20,600	14,988
#1,740	Yee	20,591	14,994
#1,741	Kruse	20,584	14,999

Who is named Castle

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

88% of people named Castle identified as white (not Hispanic), 6.7% as Black (not Hispanic) and 2.6% as Hispanic or Latino (any race).

White (not Hispanic) 88%
Black (not Hispanic) 6.7%
Hispanic or Latino (any race) 2.6%
Two or more races 1.6%
Asian and Pacific Islander 0.6%
American Indian and Alaska Native 0.4%

Compare: most common surnames among white Americans.

Famous Castles

17 notable people on Wikidata, most written-about first

Nick Castle
American film director, actor and screenwriter, born 1947
William Castle
American film director, producer, screenwriter, and actor (1914–1977)
Peggie Castle
American actress who specialized in playing the "other woman" in B-movies (1927-1973)
Stephon Castle
American basketball player (born 2004)
Michael Castle
American politician (1939–2025)
John Castle
British actor (b. 1940)
Darrell Castle
American politician, born 1948
William Ernest Castle
American geneticist (1867–1962)
Naomi Castle
Australian water polo player, born 1974
Mary Castle
Actress (1931-1998)
Dalton Castle
American professional and amateur wrestler, born 1986
Keith-Lee Castle
British actor, born 1959

Notable Castles come mostly from the United States (13), the United Kingdom (2) and Australia (1).

Spellings and sound-alikes

Useful when a record has your ancestor under another spelling

Surnames that sound like Castle

Castle has the Soundex code C234, the code US census indexes have used since the 1930s. Every surname with code C234.

Questions

Where does the surname Castle come from?: English surname, from the noun castle.
How common is the surname Castle?: 20,534 people in the United States had the surname Castle in the 2010 Census, about 1 in every 15,036 Americans. It ranked 1,744th of 162,253 surnames.
What ethnicity is the surname Castle?: In the 2010 Census, 88% of people named Castle identified as white (not Hispanic), and 6.7% as Black (not Hispanic).
Who is the most famous person named Castle?: Nick Castle, American film director, actor and screenwriter, followed by William Castle.
Where is the surname Castle most common?: Wikidata records people named Castle in the United States, the United Kingdom and Australia and 1 other country.
What type of surname is Castle?: Castle is a place surname, taken from where an ancestor lived or came from.
Is the surname Castle getting more or less common?: More common. 19,768 people carried it in the 2000 Census and 20,534 in 2010, up 3.9%.