Skip to content
Name Lineage

    The surname Klinefelter

    A surname, carried by 1,273 people in the United States.

    4 syllables Soundex K451

    Klinefelter: #20,758 of 162,253 surnames in the 2010 US Census #1Smith#160,975Doriott#10Martinez#100Jimenez#1,000Archer Klinefelter #20,758, 1,273 people Klinefelter: #20,758 of 162,253 surnames in the 2010 US Census #1Smith#160,975Doriott#100Jimenez Klinefelter #20,758, 1,273 people
    Every surname held by 100 or more people in the 2010 US Census, most common on the left (162,253 in all). Klinefelter is more common than 87.2% of them.

    Origin

    A surname.

    Origin from Wiktionary (CC BY-SA 4.0).

    How common it is

    2010 US Census

    There were 1,273 people named Klinefelter in the United States in 2010, about 1 in every 242,534 Americans. That is up 2.1% since 2000, when the Census counted 1,247.

    #20,758
    rank among US surnames
    1,273
    people in 2010
    0.4
    per 100,000 Americans
    +2.1%
    change since 2000 (was #19,931)
    RankSurnamePeople1 in
    #20,750Sanroman1,274242,343
    #20,758Pintado1,273242,534

    Who is named Klinefelter

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

    94% of people named Klinefelter identified as white (not Hispanic), 2.1% as Hispanic or Latino (any race) and 1.9% as two or more races.

    • White (not Hispanic) 94%
    • Hispanic or Latino (any race) 2.1%
    • Two or more races 1.9%
    • Asian and Pacific Islander 1.6%
    The Census suppresses very small shares to protect privacy; Black, Native American are not shown.

    Compare: most common surnames among white Americans.

    Questions

    How common is the surname Klinefelter?
    1,273 people in the United States had the surname Klinefelter in the 2010 Census, about 1 in every 242,534 Americans. It ranked 20,758th of 162,253 surnames.
    What ethnicity is the surname Klinefelter?
    In the 2010 Census, 94% of people named Klinefelter identified as white (not Hispanic), and 2.1% as Hispanic or Latino (any race).
    Is the surname Klinefelter getting more or less common?
    More common. 1,247 people carried it in the 2000 Census and 1,273 in 2010, up 2.1%.