How Many People Are Named Hamilton?
An estimated 4,222 people in the United States have the first name Hamilton. It is almost exclusively a male name. The average bearer is 36 years old, and Hamilton peaked in popularity in 2016 with 98 births that year.
Below you will find a full statistical profile of Hamilton as a first name in the United States, including gender data, a year-by-year popularity timeline going back to 1880, a decade breakdown, and state-by-state birth registrations. You can also check how many people share the full name Hamilton paired with any surname.
Estimated Living Americans
4,222
About 1 in 81,183 people in the U.S.
Rarity
Rare
Predicted Gender
Male
100.0% confidence
Average Age
36
years old
Peak Year
2016
98 births
Total Registered
6,479
since 1880
Gender Distribution for Hamilton
Hamilton is almost exclusively a male name. Out of 6,479 total births registered, 100.0% were male.
Hamilton as a male name
Ranked #2,640 in 2024
50 male births in 2024
Peak: 2016 (98 births)
Hamilton: Popularity Over Time
SSA records for Hamilton span from the 1880s to the 2020s, covering 15 decades of naming data. The most popular decade for this name was the 2010s, when 793 babies were registered. While Hamilton is less common than at its peak in the 2010s, it remains a well-established name with steady registrations.
Hamilton by Decade
How has Hamilton tracked across different eras? The table below groups all SSA birth registrations into 10-year periods, with separate male and female counts. The colored bar shows each decade's share relative to the peak.
Hamilton by State
Birth registrations for Hamilton span all 21 states and territories in the SSA database. The highest counts are in California, Texas, Georgia. The lowest are in Washington, Oklahoma, Michigan. On average, about 85 Hamiltons were registered per state.
Hamilton + Last Name Combinations
How many people share a full name with Hamilton as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Hamilton
Other first names starting with H with a similar number of bearers.
Hamilton: Questions and Answers
How many people in the U.S. are named Hamilton?
We estimate approximately 4,222 people named Hamilton are alive in the United States today. This is based on SSA birth records from 1880 to 2024, adjusted for mortality using CDC life tables. About 1 in 81,183 Americans share this first name.
Is Hamilton a common name?
Hamilton is classified as "Rare" and is more popular than 96.1% of all first names in the SSA database. A total of 6,479 births have been registered with this name since 1880.
When was Hamilton most popular?
Hamilton reached peak popularity in 2016, when 98 babies were given this name. The average age of a living person named Hamilton is approximately 36 years old, reflecting when the name was most commonly given.
Is Hamilton a male name?
Hamilton is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Hamilton Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Hamilton Smith, Hamilton Johnson, Hamilton Williams. You can also search any combination on our homepage.
Where does this data come from?
Our estimates use Social Security Administration birth records (1880 to 2024), adjusted for survival using CDC 2023 life tables broken down by sex. The U.S. population figure (342,754,338) is from the Census Bureau's July 2025 estimate. Full methodology.
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