How Many People Are Named Joni?
An estimated 24,200 people in the United States have the first name Joni. It is predominantly female (97.7%). The average bearer is 55 years old, and Joni peaked in popularity in 1956 with 1,584 births that year.
Below you will find a full statistical profile of Joni 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 Joni paired with any surname.
Key Insights
- While Joni is overwhelmingly female, 670 male births have been registered with this name since 1880.
Estimated Living Americans
24,200
About 1 in 14,163 people in the U.S.
Rarity
Uncommon
Predicted Gender
Female
97.7% confidence
Average Age
55
years old
Peak Year
1956
1,584 births
Total Registered
29,372
since 1880
Gender Distribution for Joni
Joni is predominantly female (97.7%), though 670 male births have been registered. It functions as a unisex name for a small percentage of bearers.
Joni as a male name
Ranked #5,309 in 2024
18 male births in 2024
Peak: 2016 (19 births)
Joni as a female name
Ranked #1,882 in 2024
106 female births in 2024
Peak: 1956 (1,576 births)
Joni: Popularity Over Time
SSA records for Joni span from the 1930s to the 2020s, covering 10 decades of naming data. The most popular decade for this name was the 1950s, when 9,262 babies were registered. Joni has declined significantly from its peak in the 1950s. Recent registrations are a fraction of what they were at the name's height.
Joni by Decade
How has Joni 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.
Joni by State
Birth registrations for Joni span all 49 states and territories in the SSA database. The highest counts are in California, Texas, Ohio. The lowest are in Vermont, New Hampshire, District of Columbia. On average, about 516 Jonis were registered per state.
Joni + Last Name Combinations
How many people share a full name with Joni as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Joni
Other first names starting with J with a similar number of bearers.
Joni: Questions and Answers
How many people in the U.S. are named Joni?
We estimate approximately 24,200 people named Joni 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 14,163 Americans share this first name.
Is Joni a common name?
Joni is classified as "Uncommon" and is more popular than 98.6% of all first names in the SSA database. A total of 29,372 births have been registered with this name since 1880.
When was Joni most popular?
Joni reached peak popularity in 1956, when 1,584 babies were given this name. The average age of a living person named Joni is approximately 55 years old, reflecting when the name was most commonly given.
Is Joni a female name?
Joni is predominantly female. 97.7% of people with this name are female. See the gender breakdown above for full details.
How many Joni Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Joni Smith, Joni Johnson, Joni 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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