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How Many People Are Named Knox?
Estimated people named Knox living in the U.S. today
21,829
Gender distribution
99% male · 1% female in SSA records.
Name scorecard
- Total U.S. births recorded (1880–2024): 22,521
- Peak year: 2022 (1,929 births)
- Estimated living today: 21,829
Knox by age group — who carries the name today?
Knox popularity over time (1880–2024)
Estimated living bearers by birth decade
About the name Knox
Knox has been recorded by the Social Security Administration since the 19th century dataset began. In total, 22,521 babies were given the name in the United States between 1880 and 2024. After adjusting each birth cohort for survival to today, an estimated 21,829 bearers are still living — roughly 1 in 15,658 Americans. The name's strongest decade shapes how old most Knoxs you meet will be, which the age-group breakdown above shows directly. All figures are statistical estimates from public records; see our methodology for sources, the survival model, and the limits of the data (names given to fewer than five babies in a year are not published by the SSA).
Frequently asked questions
How many people are named Knox in the US?
An estimated 21,829 people named Knox are living in the United States today, based on SSA birth records from 1880 to 2024 adjusted for survival. That makes Knox rare — about 1 in 15,658 Americans.
Is Knox a boy or girl name?
In SSA records, Knox is 99% male and 1% female, so it is predominantly a male name.
When was Knox most popular?
Knox peaked in 2022, when 1,929 babies were given the name. Its current trend is rising compared with the previous decade.
How rare is the name Knox?
Knox ranks #1,516 of 104,819 first names recorded by the SSA, with a rarity score of 49 out of 100 (higher means rarer).