Demetrus is a rare variant of Demetrius that peaked in 1974 and has since faded.
Demetrus is predominantly a boy name. It last appears in U.S. records in 2024. Demetrus first appears in 1962 and peaked in 1973 (26 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2024 | 6 | 6 | — | #11,261 |
| 2014 | 6 | 6 | — | #11,060 |
| 2009 | 11 | 11 | — | #7,333 |
| 2008 | 8 | 8 | — | #9,194 |
| 2006 | 11 | 11 | — | #7,039 |
| 2005 | 6 | 6 | — | #10,419 |
| 2004 | 8 | 8 | — | #8,313 |
| 2003 | 12 | 12 | — | #5,959 |
| 2002 | 10 | 10 | — | #6,657 |
| 2001 | 10 | 10 | — | #6,569 |
| 2000 | 6 | 6 | — | #9,381 |
| 1999 | 11 | 11 | — | #5,750 |
| 1998 | 8 | 8 | — | #7,016 |
| 1997 | 15 | — | — | #4,295 |
| 1996 | 20 | — | — | #3,437 |
| 1995 | 12 | — | — | #4,867 |
| 1994 | 14 | — | — | #4,360 |
| 1993 | 12 | — | — | #4,782 |
| 1992 | 22 | — | — | #3,032 |
| 1991 | 15 | — | — | #3,855 |
| 1990 | 15 | — | — | #3,822 |
| 1989 | 16 | — | — | #3,495 |
| 1988 | 16 | — | — | #3,247 |
| 1987 | 23 | — | — | #2,413 |
| 1986 | 15 | — | — | #3,167 |
| 1985 | 18 | — | — | #2,741 |
| 1984 | 12 | — | — | #3,510 |
| 1983 | 14 | — | — | #3,107 |
| 1982 | 15 | — | — | #3,003 |
| 1981 | 17 | — | — | #2,700 |
| 1980 | 23 | — | — | #2,234 |
| 1979 | 23 | — | — | #2,175 |
| 1978 | 21 | — | — | #2,223 |
| 1977 | 24 | — | #9,979 | #2,387 |
| 1976 | 23 | — | — | #2,065 |
| 1975 | 24 | — | — | #1,962 |
| 1974 | 28 | — | #7,067 | #2,063 |
| 1973 | 26 | — | — | #1,743 |
| 1972 | 16 | — | — | #2,348 |
| 1971 | 15 | — | #8,638 | #3,194 |
| 1970 | 7 | — | — | #3,937 |
| 1969 | 7 | — | — | #3,677 |
| 1968 | 13 | — | — | #2,352 |
| 1967 | 5 | — | — | #4,098 |
| 1965 | 11 | — | #6,759 | #3,620 |
| 1964 | 5 | — | — | #4,185 |
| 1962 | 6 | — | — | #3,732 |