Kooper is an uncommon boys' name that has climbed to its highest level yet, peaking in 2022.
Kooper is predominantly a boy name. In 2025 it ranked #1,024 among boys (218) and #4,822 among girls (28) — overall #1,945 across all names. The charts below show girls and boys separately.
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 246 | 246 | #4,822 | #1,024 |
| 2024 | 216 | 216 | #7,434 | #1,085 |
| 2023 | 231 | 231 | #7,103 | #1,017 |
| 2022 | 257 | 257 | #4,978 | #980 |
| 2021 | 214 | 214 | #5,488 | #1,098 |
| 2020 | 189 | 189 | #8,696 | #1,112 |
| 2019 | 198 | 198 | #7,197 | #1,097 |
| 2018 | 218 | 218 | #4,832 | #1,064 |
| 2017 | 203 | 203 | #5,753 | #1,083 |
| 2016 | 196 | 196 | #8,215 | #1,084 |
| 2015 | 220 | 220 | #6,595 | #1,014 |
| 2014 | 206 | 206 | #4,964 | #1,084 |
| 2013 | 205 | 205 | #6,602 | #1,037 |
| 2012 | 207 | 207 | #5,643 | #1,046 |
| 2011 | 188 | 188 | #6,996 | #1,094 |
| 2010 | 181 | 181 | #8,521 | #1,125 |
| 2009 | 185 | 185 | #8,686 | #1,089 |
| 2008 | 157 | 157 | #13,244 | #1,190 |
| 2007 | 138 | 138 | #9,877 | #1,340 |
| 2006 | 99 | 99 | #18,735 | #1,569 |
| 2005 | 96 | 96 | #10,561 | #1,601 |
| 2004 | 66 | 66 | #12,236 | #2,065 |
| 2003 | 54 | 54 | — | #2,094 |
| 2002 | 31 | 31 | — | #2,989 |
| 2001 | 49 | 49 | — | #2,137 |
| 2000 | 22 | 22 | — | #3,713 |
| 1999 | 25 | 25 | — | #3,240 |
| 1998 | 20 | 20 | — | #3,656 |
| 1997 | 15 | — | — | #4,370 |
| 1996 | 14 | — | — | #4,519 |
| 1995 | 11 | — | — | #5,355 |
| 1994 | 11 | — | — | #5,286 |
| 1993 | 13 | — | — | #4,595 |
| 1992 | 6 | — | — | #7,999 |
| 1990 | 5 | — | — | #8,879 |