How old is someone named Monroe?
The average Monroe is 24 years old.
Half of all living Monroes are between 5 and 39. The average sits between a large young group and an older one, so many Monroes are much younger than 24.
When was Monroe popular?
Monroe was popular around 1880, faded for decades, and is back: 815 babies got the name in 2025.
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Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1900s | 720 | 0 |
| 1910s | 2,450 | 0 |
| 1920s | 3,202 | under 100 |
| 1930s | 2,169 | 260 |
| 1940s | 1,862 | 790 |
| 1950s | 1,284 | 840 |
| 1960s | 753 | 610 |
| 1970s | 534 | 480 |
| 1980s | 388 | 370 |
| 1990s | 371 | 360 |
| 2000s | 603 | 590 |
| 2010s | 4,499 | 4,500 |
| 2020s | 4,346 | 4,300 |
How many Monroes are still alive?
About 13,000 Monroes are alive in the US today. That's 54% of the roughly 24,000 babies named Monroe since 1880.
Roughly half of all Monroes ever born are still living.
What generation is the name Monroe?
More than half of living Monroes are in Gen Alpha, born in 2013 or later.
Is Monroe an old name?
Not really. Monroe is younger than 61 in 100 names on AgeByName.
Looking ahead: if babies keep getting the name at today's pace, the typical Monroe will be 24 in 2056, about the same as today.
Is Monroe a boy or girl name?
Both. 55% of living Monroes are women and 45% are men.
The women average 8 and the men 44. It was mostly a boys' name before 1970; since 1995, 75% of babies named Monroe have been girls.
Names the same age as Monroe
NAME TWIN
Monroe's name twin is Everett. Of all 3,713 names on AgeByName, Everett's age curve is the closest match to Monroe's: 92% alike.
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Questions about the name Monroe
How old is the average Monroe?
The average Monroe in the US is 24 years old. The median is 10, so half are older and half younger.
How many people are named Monroe?
About 13,000 Monroes are alive in the US today, out of roughly 24,000 babies given the name since 1880.
When was the name Monroe most popular?
In 2025, when about 820 baby girls were named Monroe.
Is Monroe a Gen Alpha name?
Yes. About 62% of living Monroes are in Gen Alpha, born in 2013 or later.
Is Monroe a boy or girl name?
Both. 55% of living Monroes are women and 45% are men. The women average 8 and the men 44. It was mostly a boys' name before 1970; since 1995, 75% of babies named Monroe have been girls.
Estimates from Social Security Administration baby-name records (births 1880–2025) and SSA cohort life tables (2026 Trustees Report). Updated each spring. How we calculate this