Kooper Boy

How popular is Kooper?

#1,024 boy name in 2025

218 baby boys were named Kooper in the US in 2025, making it the 1024th most popular boy name. Another 28 girls got the name (#4,757 for girls).

Compare with other names
4,359living people named Kooper (est.)
11median age of people named Kooper
4,392babies named Kooper since 1880
1 in 13,477US babies born in 2025

Kooper popularity over time

0125250 18801900192019401960198020002020

Boys Girls

Rank in 2025#1,024 for boys (▲ 58 from 2024)
Babies in 2025218 boys, 28 girls
10-year trendSteady (+8% babies vs 2015)
Earlier ranks#1,012 in 2015, #1,111 in 2020
Peak year2022 (230 boys)
Highest rank#979 in 2022
First recorded1990
Boys vs girls (last 10 years)91% boys, 9% girls
Chance a classmate shares it0.2% in a class of 25 kids born in 2025

Kooper counting every spelling

Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Cooper family of names ranked #30 for boys in 2025 (#52 the year before), with 7,690 babies in all.

SpellingBoys in 2025Share
Cooper 7,472 97%
Kooper 218 3%

Spellings are grouped by how they sound, using our own rules, so a few groupings may not match how your family says the name.

Where Kooper is most popular

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

  1. Oklahoma: 0.6 per 1,000 (51 boys)
  2. Iowa: 0.4 per 1,000 (25 boys)
  3. Missouri: 0.3 per 1,000 (45 boys)
  4. Arkansas: 0.3 per 1,000 (19 boys)
  5. Louisiana: 0.3 per 1,000 (27 boys)

Kooper by decade

DecadeBaby boysBest rank
1990s120#3,178
2000s840#1,085
2010s1,820#1,012
2020s1,232#979

Boy names about as popular as Kooper

Questions

Is Kooper a boy or girl name?
Kooper is mostly a boy name. Over the last 10 years, 91% of babies named Kooper were boys.
How popular is the name Kooper?
218 baby boys were named Kooper in the US in 2025, making it the 1024th most popular boy name. Another 28 girls got the name (#4,757 for girls).
When was Kooper most popular?
Kooper peaked in 2022, when 230 boys were given the name. Its highest rank was #979 in 2022.
How many people are named Kooper?
4,392 babies have been named Kooper in the US since 1880. We estimate about 4,359 of them are alive in 2026, with a median age of 11.
Where is Kooper most popular?
From 2021 to 2025, Kooper was most common in Oklahoma, at 0.6 of every 1,000 boys 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.