How Many People Are Named Johnna?
An estimated 8,764 people in the United States have the first name Johnna. It is almost exclusively a female name. The average bearer is 46 years old, and Johnna peaked in popularity in 1963 with 617 births that year.
Below you will find a full statistical profile of Johnna 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 Johnna paired with any surname.
Estimated Living Americans
8,764
About 1 in 39,109 people in the U.S.
Rarity
Rare
Predicted Gender
Female
100.0% confidence
Average Age
46
years old
Peak Year
1963
617 births
Total Registered
10,014
since 1880
Gender Distribution for Johnna
Johnna is almost exclusively a female name. Out of 10,014 total births registered, 100.0% were female.
Johnna as a female name
Ranked #7,372 in 2024
15 female births in 2024
Peak: 1963 (617 births)
Johnna: Popularity Over Time
SSA records for Johnna span from the 1910s to the 2020s, covering 12 decades of naming data. The most popular decade for this name was the 1960s, when 2,907 babies were registered. Johnna has declined significantly from its peak in the 1960s. Recent registrations are a fraction of what they were at the name's height.
Johnna by Decade
How has Johnna 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.
Johnna by State
Birth registrations for Johnna span all 39 states and territories in the SSA database. The highest counts are in Texas, California, Ohio. The lowest are in Montana, Maine, Wisconsin. On average, about 158 Johnnas were registered per state.
Johnna + Last Name Combinations
How many people share a full name with Johnna as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Johnna
Other first names starting with J with a similar number of bearers.
Johnna: Questions and Answers
How many people in the U.S. are named Johnna?
We estimate approximately 8,764 people named Johnna 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 39,109 Americans share this first name.
Is Johnna a common name?
Johnna is classified as "Rare" and is more popular than 97.5% of all first names in the SSA database. A total of 10,014 births have been registered with this name since 1880.
When was Johnna most popular?
Johnna reached peak popularity in 1963, when 617 babies were given this name. The average age of a living person named Johnna is approximately 46 years old, reflecting when the name was most commonly given.
Is Johnna a female name?
Johnna is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Johnna Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Johnna Smith, Johnna Johnson, Johnna 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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