How Many People Are Named Adelaide?
An estimated 21,081 people in the United States have the first name Adelaide. It is almost exclusively a female name. The average bearer is 16 years old, and Adelaide peaked in popularity in 2016 with 1,240 births that year.
Below you will find a full statistical profile of Adelaide 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 Adelaide paired with any surname.
Key Insights
- Adelaide is a modern name. With an average bearer age of just 16, it has gained most of its popularity in recent years.
Estimated Living Americans
21,081
About 1 in 16,259 people in the U.S.
Rarity
Uncommon
Predicted Gender
Female
100.0% confidence
Average Age
16
years old
Peak Year
2016
1,240 births
Total Registered
33,938
since 1880
Gender Distribution for Adelaide
Adelaide is almost exclusively a female name. Out of 33,938 total births registered, 100.0% were female.
Adelaide as a female name
Ranked #271 in 2024
1,158 female births in 2024
Peak: 2016 (1,240 births)
Adelaide: Popularity Over Time
SSA records for Adelaide span from the 1880s to the 2020s, covering 15 decades of naming data. The most popular decade for this name was the 2010s, when 10,224 babies were registered. While Adelaide is less common than at its peak in the 2010s, it remains a well-established name with steady registrations.
Adelaide by Decade
How has Adelaide 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.
Adelaide by State
Birth registrations for Adelaide span all 51 states and territories in the SSA database. The highest counts are in New York, Pennsylvania, California. The lowest are in Wyoming, Hawaii, Delaware. On average, about 512 Adelaides were registered per state.
Adelaide + Last Name Combinations
How many people share a full name with Adelaide as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Adelaide
Other first names starting with A with a similar number of bearers.
Adelaide: Questions and Answers
How many people in the U.S. are named Adelaide?
We estimate approximately 21,081 people named Adelaide 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 16,259 Americans share this first name.
Is Adelaide a common name?
Adelaide is classified as "Uncommon" and is more popular than 98.5% of all first names in the SSA database. A total of 33,938 births have been registered with this name since 1880.
When was Adelaide most popular?
Adelaide reached peak popularity in 2016, when 1,240 babies were given this name. The average age of a living person named Adelaide is approximately 16 years old, reflecting when the name was most commonly given.
Is Adelaide a female name?
Adelaide is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Adelaide Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Adelaide Smith, Adelaide Johnson, Adelaide 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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