How Many People Are Named Nilsa?
An estimated 1,513 people in the United States have the first name Nilsa. It is almost exclusively a female name. The average bearer is 54 years old, and Nilsa peaked in popularity in 1960 with 76 births that year.
Below you will find a full statistical profile of Nilsa 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 Nilsa paired with any surname.
Estimated Living Americans
1,513
About 1 in 226,540 people in the U.S.
Rarity
Rare
Predicted Gender
Female
100.0% confidence
Average Age
54
years old
Peak Year
1960
76 births
Total Registered
1,804
since 1880
Gender Distribution for Nilsa
Nilsa is almost exclusively a female name. Out of 1,804 total births registered, 100.0% were female.
Nilsa as a female name
Ranked #11,825 in 2024
8 female births in 2024
Peak: 1960 (76 births)
Nilsa: Popularity Over Time
SSA records for Nilsa span from the 1940s to the 2020s, covering 9 decades of naming data. The most popular decade for this name was the 1960s, when 606 babies were registered. Nilsa has declined significantly from its peak in the 1960s. Recent registrations are a fraction of what they were at the name's height.
Nilsa by Decade
How has Nilsa 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.
Nilsa by State
Birth registrations for Nilsa span all 8 states and territories in the SSA database. The highest counts are in New York, New Jersey, Illinois. The lowest are in Pennsylvania, Ohio, Massachusetts. On average, about 143 Nilsas were registered per state.
Nilsa + Last Name Combinations
How many people share a full name with Nilsa as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Nilsa
Other first names starting with N with a similar number of bearers.
Nilsa: Questions and Answers
How many people in the U.S. are named Nilsa?
We estimate approximately 1,513 people named Nilsa 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 226,540 Americans share this first name.
Is Nilsa a common name?
Nilsa is classified as "Rare" and is more popular than 92.5% of all first names in the SSA database. A total of 1,804 births have been registered with this name since 1880.
When was Nilsa most popular?
Nilsa reached peak popularity in 1960, when 76 babies were given this name. The average age of a living person named Nilsa is approximately 54 years old, reflecting when the name was most commonly given.
Is Nilsa a female name?
Nilsa is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Nilsa Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Nilsa Smith, Nilsa Johnson, Nilsa 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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