An estimated 45,574 living Americans are named Kelvin.
How rare is Kelvin?
Kelvin is uncommon among babies today, with 214 boys receiving the name in 2025, down 84.4% from its 1961 peak.
How old is the typical Kelvin?
The median age of a living American named Kelvin is approximately 42 years, with most bearers falling between 27 and 58 years old.
Is Kelvin still popular?
Not especially. Kelvin has been declining since its 1961 peak and registered 214 births in 2025.
Where is Kelvin most common?
Kelvin has its strongest geographic signal in Mississippi, where it appears 6.3× more often than the national baseline.
1912Peak 19612025
Peak year
1961
Decline from peak
84.4%
2025
214
All-time
51,551
Diaspora map
Kelvin broke out in Alabama, Arkansas, District of Columbia, Florida, Georgia, Hawaii, Louisiana, Mississippi, Missouri, North Carolina, South Dakota, Tennessee, and Virginia (1959) and became over-represented in 21 states over 40 years.
Broke out: Alabama, Arkansas, District of Columbia, Florida, Georgia, Hawaii, Louisiana, Mississippi, Missouri, North Carolina, South Dakota, Tennessee, and Virginia, 1959 · over-represented in 21 states over 40 years