Demarcus is an established boys' name that peaked in 1991 and has since faded.
Demarcus is predominantly a boy name. In 2025 it ranked #2,168 for boy births in the United States (and #4,636 across all names), given to 66 babies. Demarcus was first reported in SSA data in 1956 and peaked in 1991 (511 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 66 | 66 | — | #2,168 |
| 2024 | 68 | 68 | — | #2,157 |
| 2023 | 83 | 83 | — | #1,899 |
| 2022 | 89 | 89 | — | #1,815 |
| 2021 | 93 | 93 | — | #1,740 |
| 2020 | 139 | 139 | — | #1,298 |
| 2019 | 130 | 130 | — | #1,373 |
| 2018 | 164 | 164 | — | #1,169 |
| 2017 | 171 | 171 | — | #1,123 |
| 2016 | 165 | 165 | — | #1,161 |
| 2015 | 181 | 181 | — | #1,082 |
| 2014 | 205 | 205 | — | #1,006 |
| 2013 | 227 | 227 | — | #914 |
| 2012 | 217 | 217 | — | #938 |
| 2011 | 222 | 222 | — | #910 |
| 2010 | 261 | 261 | — | #820 |
| 2009 | 267 | 267 | — | #823 |
| 2008 | 326 | 326 | — | #714 |
| 2007 | 288 | 288 | — | #764 |
| 2006 | 291 | 291 | — | #734 |
| 2005 | 263 | 263 | — | #755 |
| 2004 | 234 | 234 | — | #777 |
| 2003 | 239 | 239 | — | #750 |
| 2002 | 254 | 254 | — | #704 |
| 2001 | 253 | 253 | — | #705 |
| 2000 | 302 | 302 | — | #622 |
| 1999 | 302 | 302 | — | #607 |
| 1998 | 338 | 338 | — | #580 |
| 1997 | 366 | — | — | #541 |
| 1996 | 404 | — | — | #510 |
| 1995 | 428 | — | — | #497 |
| 1994 | 489 | — | — | #454 |
| 1993 | 456 | — | — | #464 |
| 1992 | 460 | — | — | #470 |
| 1991 | 511 | — | — | #436 |
| 1990 | 498 | — | — | #443 |
| 1989 | 461 | — | #12,889 | #441 |
| 1988 | 438 | — | — | #429 |
| 1987 | 376 | — | #9,013 | #460 |
| 1986 | 384 | — | #6,722 | #450 |
| 1985 | 361 | — | #8,567 | #456 |
| 1984 | 264 | — | — | #527 |
| 1983 | 276 | — | — | #507 |
| 1982 | 251 | — | — | #544 |
| 1981 | 211 | — | — | #586 |
| 1980 | 224 | — | — | #576 |
| 1979 | 177 | — | — | #640 |
| 1978 | 159 | — | — | #664 |
| 1977 | 143 | — | — | #710 |
| 1976 | 109 | — | — | #797 |
| 1975 | 92 | — | — | #868 |
| 1974 | 75 | — | — | #942 |
| 1973 | 57 | — | — | #1,076 |
| 1972 | 42 | — | — | #1,293 |
| 1971 | 37 | — | — | #1,401 |
| 1970 | 18 | — | — | #2,140 |
| 1969 | 10 | — | — | #2,909 |
| 1968 | 10 | — | — | #2,778 |
| 1967 | 7 | — | — | #3,331 |
| 1966 | 5 | — | — | #4,076 |
| 1964 | 5 | — | — | #4,183 |
| 1956 | 5 | — | — | #4,080 |