Recorded 1945–2025 · United States
Kristofer was most popular in 1978, when 349 American babies were given the name — ranking #944 that year. In 2025 it ranked #7,732, with 31 births. Across 1880–2025 the Social Security Administration has recorded 9,791 people named Kristofer.
Kristofer first appears in Social Security Administration records in 1945, which makes it about 80 years old as a recorded American name. It has been recorded in 75 of the 81 years since.
The Social Security Administration has recorded 9,791 American births named Kristofer between 1880 and 2025. That is recorded US births, not a world population — it counts people issued a Social Security number at birth in the United States. Of those, roughly 9,281 are estimated to be alive today.
31 American babies were named Kristofer in 2025, ranking #7,732 that year.
Kristofer is falling. Across 2021–2025 it averaged 32 births a year, against 66 a year across 2011–2015 — a change of -52% over the decade.
Measured on recorded births. American births overall have fallen since 2007, so most established names lose births over any recent decade — a name can shed births and still hold its rank. Compare the rank above, which is measured against the other names of the same year.
Across the whole record Kristofer is a boy’s name — 0.0% of the 9,791 Americans given it were girls and 100.0% were boys. In births since 2016 it is 0% girls and 100% boys.
Counted from every US birth the Social Security Administration recorded under this name, so it reflects use rather than opinion. A name given to fewer than five babies of one sex in a year is withheld at source and is not counted.
Roughly 9,281 Americans named Kristofer are alive today — 95% of everyone ever recorded with the name. The median is 36 years old, and half are between 28 and 45.
An estimate, not a count. Recorded births are carried forward through the Social Security Administration’s 2023 period life table, by age and sex. That table describes mortality in one recent year, so it credits the oldest cohorts with today’s survival rather than the harsher rates they actually lived through — the further back a name peaked, the more this will overstate how many remain. It counts people issued a Social Security number at birth, not immigrants who arrived later.
How much more common the name is in each state than across the country as a whole.
See Kristofer on the interactive charts
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Source: U.S.A. Social Security Administration. Years 1880–2025. namelegacy.org