Sonja Girl

How popular is Sonja?

#3,902 girl name in 2025

37 baby girls were named Sonja in the US in 2025, making it the 3902nd most popular girl name.

Compare with other names
32,614living people named Sonja (est.)
58median age of people named Sonja
39,557babies named Sonja since 1880
1 in 89,604US babies born in 2025

Sonja popularity over time

07501,500 18801900192019401960198020002020

Boys Girls

Rank in 2025#3,902 for girls (▼ 972 from 2024)
Babies in 202537 girls
10-year trendFalling fast (-57% babies vs 2015)
Earlier ranks#2,194 in 2015, #2,317 in 2020
Peak year1968 (1,339 girls)
Highest rank#180 in 1938
First recorded1906
Boys vs girls (last 10 years)0% boys, 100% girls
Chance a classmate shares it0.0% in a class of 25 kids born in 2025

Where Sonja is most popular

Babies named Sonja per 1,000 girls born in each state, 2021 to 2025. Darker means more common.

  1. Minnesota: 0.3 per 1,000 (30 girls)
  2. Washington: 0.0 per 1,000 (6 girls)
  3. Pennsylvania: 0.0 per 1,000 (6 girls)
  4. California: 0.0 per 1,000 (19 girls)
  5. Texas: 0.0 per 1,000 (6 girls)

Sonja by decade

DecadeBaby girlsBest rank
1900s6#1,727
1910s89#1,896
1920s231#1,222
1930s3,143#180
1940s5,081#238
1950s4,619#365
1960s10,962#220
1970s7,962#233
1980s3,240#501
1990s1,695#826
2000s1,187#1,489
2010s956#1,791
2020s342#2,317

Girl names about as popular as Sonja

Questions

Is Sonja a boy or girl name?
Sonja is mostly a girl name. Over the last 10 years, 100% of babies named Sonja were girls.
How popular is the name Sonja?
37 baby girls were named Sonja in the US in 2025, making it the 3902nd most popular girl name.
When was Sonja most popular?
Sonja peaked in 1968, when 1,339 girls were given the name. Its highest rank was #180 in 1938.
How many people are named Sonja?
39,557 babies have been named Sonja in the US since 1880. We estimate about 32,614 of them are alive in 2026, with a median age of 58.
Where is Sonja most popular?
From 2021 to 2025, Sonja was most common in Minnesota, at 0.3 of every 1,000 girls born there.

Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.