Demario is an uncommon boys' name that peaked in 1988 and has since faded.
Demario is predominantly a boy name. In 2025 it ranked #3,681 for boy births in the United States (and #7,932 across all names), given to 30 babies. Demario was first reported in SSA data in 1968 and peaked in 1989 (334 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 30 | 30 | — | #3,681 |
| 2024 | 36 | 36 | — | #3,288 |
| 2023 | 45 | 45 | — | #2,814 |
| 2022 | 48 | 48 | — | #2,727 |
| 2021 | 56 | 56 | — | #2,417 |
| 2020 | 65 | 65 | — | #2,145 |
| 2019 | 33 | 33 | — | #3,437 |
| 2018 | 76 | 76 | — | #1,942 |
| 2017 | 68 | 68 | — | #2,053 |
| 2016 | 64 | 64 | — | #2,147 |
| 2015 | 58 | 58 | — | #2,283 |
| 2014 | 92 | 92 | — | #1,673 |
| 2013 | 98 | 98 | — | #1,579 |
| 2012 | 100 | 100 | — | #1,580 |
| 2011 | 117 | 117 | — | #1,414 |
| 2010 | 112 | 112 | — | #1,462 |
| 2009 | 96 | 96 | — | #1,643 |
| 2008 | 133 | 133 | — | #1,305 |
| 2007 | 117 | 117 | — | #1,401 |
| 2006 | 120 | 120 | — | #1,353 |
| 2005 | 131 | 131 | — | #1,209 |
| 2004 | 132 | 132 | — | #1,179 |
| 2003 | 104 | 104 | — | #1,326 |
| 2002 | 94 | 94 | — | #1,397 |
| 2001 | 94 | 94 | — | #1,358 |
| 2000 | 74 | 74 | — | #1,587 |
| 1999 | 84 | 84 | — | #1,397 |
| 1998 | 110 | 110 | — | #1,133 |
| 1997 | 115 | — | — | #1,101 |
| 1996 | 114 | — | — | #1,069 |
| 1995 | 117 | — | — | #1,028 |
| 1994 | 127 | — | — | #981 |
| 1993 | 150 | — | — | #866 |
| 1992 | 178 | — | — | #783 |
| 1991 | 228 | — | — | #672 |
| 1990 | 230 | — | — | #668 |
| 1989 | 334 | — | — | #523 |
| 1988 | 338 | — | #10,697 | #504 |
| 1987 | 284 | — | #11,761 | #547 |
| 1986 | 245 | — | — | #566 |
| 1985 | 201 | — | — | #615 |
| 1984 | 181 | — | — | #639 |
| 1983 | 189 | — | — | #620 |
| 1982 | 169 | — | — | #674 |
| 1981 | 134 | — | — | #754 |
| 1980 | 160 | — | — | #686 |
| 1979 | 147 | — | — | #709 |
| 1978 | 113 | — | #8,807 | #827 |
| 1977 | 64 | — | — | #1,083 |
| 1976 | 53 | — | — | #1,181 |
| 1975 | 33 | — | — | #1,562 |
| 1974 | 16 | — | — | #2,491 |
| 1973 | 23 | — | — | #1,888 |
| 1972 | 18 | — | — | #2,181 |
| 1971 | 11 | — | — | #3,010 |
| 1970 | 9 | — | — | #3,343 |
| 1969 | 7 | — | — | #3,676 |
| 1968 | 6 | — | — | #3,791 |