How Many People Are Named Alphonzo?
An estimated 1,405 people in the United States have the first name Alphonzo. It is almost exclusively a male name. The average bearer is 53 years old, and Alphonzo peaked in popularity in 1963 with 43 births that year.
Below you will find a full statistical profile of Alphonzo 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 Alphonzo paired with any surname.
Estimated Living Americans
1,405
About 1 in 243,953 people in the U.S.
Rarity
Rare
Predicted Gender
Male
100.0% confidence
Average Age
53
years old
Peak Year
1963
43 births
Total Registered
2,031
since 1880
Gender Distribution for Alphonzo
Alphonzo is almost exclusively a male name. Out of 2,031 total births registered, 100.0% were male.
Alphonzo as a male name
Ranked #9,917 in 2024
7 male births in 2024
Peak: 1963 (43 births)
Alphonzo: Popularity Over Time
SSA records for Alphonzo span from the 1890s to the 2020s, covering 13 decades of naming data. The most popular decade for this name was the 1950s, when 328 babies were registered. Alphonzo has declined significantly from its peak in the 1950s. Recent registrations are a fraction of what they were at the name's height.
Alphonzo by Decade
How has Alphonzo 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.
Alphonzo by State
Birth registrations for Alphonzo span all 9 states and territories in the SSA database. The highest counts are in North Carolina, South Carolina, Georgia. The lowest are in Virginia, Illinois, Missouri. On average, about 24 Alphonzos were registered per state.
Alphonzo + Last Name Combinations
How many people share a full name with Alphonzo as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Alphonzo
Other first names starting with A with a similar number of bearers.
Alphonzo: Questions and Answers
How many people in the U.S. are named Alphonzo?
We estimate approximately 1,405 people named Alphonzo 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 243,953 Americans share this first name.
Is Alphonzo a common name?
Alphonzo is classified as "Rare" and is more popular than 92.1% of all first names in the SSA database. A total of 2,031 births have been registered with this name since 1880.
When was Alphonzo most popular?
Alphonzo reached peak popularity in 1963, when 43 babies were given this name. The average age of a living person named Alphonzo is approximately 53 years old, reflecting when the name was most commonly given.
Is Alphonzo a male name?
Alphonzo is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Alphonzo Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Alphonzo Smith, Alphonzo Johnson, Alphonzo 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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