Knox Boy
How popular is Knox?
#196 boy name in 2025
1,836 baby boys were named Knox in the US in 2025, making it the 196th most popular boy name. Another 13 girls got the name (#7,883 for girls).
23,752living people named Knox (est.)
7median age of people named Knox
24,382babies named Knox since 1880
1 in 1,793US babies born in 2025
Knox popularity over time
Boys Girls
| Rank in 2025 | #196 for boys (▲ 13 from 2024) |
|---|---|
| Babies in 2025 | 1,836 boys, 13 girls |
| 10-year trend | Rising (+31% babies vs 2015) |
| Earlier ranks | #258 in 2015, #238 in 2020 |
| Peak year | 2022 (1,902 boys) |
| Highest rank | #196 in 2025 |
| First recorded | 1881 |
| Boys vs girls (last 10 years) | 99% boys, 1% girls |
| Chance a classmate shares it | 1% in a class of 25 kids born in 2025 |
Where Knox is most popular
Babies named Knox per 1,000 boys born in each state, 2021 to 2025. Darker means more common.
AKMEVTNHWAIDMTNDMNILWIMINYRIMAORNVWYSDIAINOHPANJCTCAUTCONEMOKYWVVAMDDEAZNMKSARTNNCSCDCOKLAMSALGAHITXFL
- South Dakota: 4.2 per 1,000 (78 boys)
- Nebraska: 3.8 per 1,000 (167 boys)
- North Dakota: 3.7 per 1,000 (63 boys)
- Wyoming: 3.6 per 1,000 (21 boys)
- Montana: 3.6 per 1,000 (63 boys)
Knox by decade
| Decade | Baby boys | Best rank |
|---|---|---|
| 1880s | 15 | #653 |
| 1890s | 5 | #1,100 |
| 1900s | 20 | #967 |
| 1910s | 111 | #1,479 |
| 1920s | 173 | #1,648 |
| 1930s | 95 | #1,932 |
| 1940s | 111 | #1,802 |
| 1950s | 92 | #1,971 |
| 1960s | 41 | #2,705 |
| 1970s | 20 | #3,519 |
| 1980s | 30 | #4,693 |
| 1990s | 127 | #3,187 |
| 2000s | 753 | #704 |
| 2010s | 12,055 | #219 |
| 2020s | 10,494 | #196 |
Boy names about as popular as Knox
Questions
- Is Knox a boy or girl name?
- Knox is mostly a boy name. Over the last 10 years, 99% of babies named Knox were boys.
- How popular is the name Knox?
- 1,836 baby boys were named Knox in the US in 2025, making it the 196th most popular boy name. Another 13 girls got the name (#7,883 for girls).
- When was Knox most popular?
- Knox peaked in 2022, when 1,902 boys were given the name. Its highest rank was #196 in 2025.
- How many people are named Knox?
- 24,382 babies have been named Knox in the US since 1880. We estimate about 23,752 of them are alive in 2026, with a median age of 7.
- Where is Knox most popular?
- From 2021 to 2025, Knox was most common in South Dakota, at 4.2 of every 1,000 boys born there.
Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.