Dalen is a rare boys' name that peaked in 2001 and has since faded.
Dalen is predominantly a boy name. In 2025 it ranked #5,910 for boy births in the United States (and #12,449 across all names), given to 15 babies. Dalen first appears in 1941 and peaked in 2001 (99 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 15 | 15 | — | #5,910 |
| 2024 | 17 | 17 | — | #5,482 |
| 2023 | 28 | 28 | — | #3,911 |
| 2022 | 27 | 27 | — | #4,009 |
| 2021 | 30 | 30 | — | #3,666 |
| 2020 | 22 | 22 | — | #4,451 |
| 2019 | 28 | 28 | — | #3,816 |
| 2018 | 17 | 17 | — | #5,364 |
| 2017 | 21 | 21 | — | #4,627 |
| 2016 | 33 | 33 | — | #3,376 |
| 2015 | 31 | 31 | — | #3,530 |
| 2014 | 21 | 21 | — | #4,569 |
| 2013 | 32 | 32 | — | #3,350 |
| 2012 | 32 | 32 | — | #3,388 |
| 2011 | 31 | 31 | — | #3,449 |
| 2010 | 75 | 75 | — | #1,901 |
| 2009 | 58 | 58 | — | #2,260 |
| 2008 | 50 | 50 | — | #2,522 |
| 2007 | 66 | 66 | — | #2,072 |
| 2006 | 71 | 71 | — | #1,896 |
| 2005 | 78 | 78 | #17,103 | #1,792 |
| 2004 | 65 | 65 | — | #1,887 |
| 2003 | 96 | 96 | — | #1,392 |
| 2002 | 73 | 73 | — | #1,637 |
| 2001 | 99 | 99 | — | #1,316 |
| 2000 | 81 | 81 | — | #1,501 |
| 1999 | 75 | 75 | — | #1,508 |
| 1998 | 71 | 71 | — | #1,528 |
| 1997 | 57 | — | — | #1,708 |
| 1996 | 42 | — | — | #2,049 |
| 1995 | 47 | — | #12,121 | #2,035 |
| 1994 | 34 | — | — | #2,313 |
| 1993 | 30 | — | — | #2,463 |
| 1992 | 29 | — | — | #2,475 |
| 1991 | 23 | — | — | #2,846 |
| 1990 | 14 | — | — | #4,018 |
| 1989 | 17 | — | — | #3,344 |
| 1988 | 19 | — | — | #2,875 |
| 1987 | 19 | — | — | #2,745 |
| 1986 | 9 | — | — | #4,542 |
| 1985 | 17 | — | — | #2,854 |
| 1984 | 18 | — | #10,765 | #3,305 |
| 1983 | 11 | — | — | #3,668 |
| 1982 | 14 | — | — | #3,140 |
| 1981 | 5 | — | — | #6,476 |
| 1980 | 5 | — | — | #6,435 |
| 1979 | 11 | — | — | #3,615 |
| 1978 | 19 | — | — | #2,392 |
| 1977 | 9 | — | — | #3,907 |
| 1976 | 12 | — | — | #3,132 |
| 1975 | 8 | — | — | #4,023 |
| 1973 | 8 | — | — | #3,767 |
| 1972 | 8 | — | — | #3,694 |
| 1971 | 7 | — | — | #4,053 |
| 1970 | 8 | — | — | #3,580 |
| 1969 | 6 | — | — | #4,038 |
| 1968 | 9 | — | — | #2,949 |
| 1967 | 9 | — | — | #2,813 |
| 1966 | 10 | — | — | #2,664 |
| 1965 | 7 | — | — | #3,301 |
| 1964 | 8 | — | — | #3,094 |
| 1963 | 5 | — | — | #4,167 |
| 1962 | 8 | — | — | #3,097 |
| 1961 | 9 | — | — | #2,937 |
| 1960 | 11 | — | — | #2,570 |
| 1959 | 5 | — | — | #4,108 |
| 1958 | 9 | — | — | #2,871 |
| 1957 | 7 | — | — | #3,307 |
| 1956 | 6 | — | — | #3,611 |
| 1955 | 7 | — | — | #3,261 |
| 1954 | 5 | — | — | #3,938 |
| 1953 | 6 | — | — | #3,505 |
| 1952 | 6 | — | — | #3,437 |
| 1949 | 6 | — | — | #3,388 |
| 1941 | 5 | — | — | #3,612 |