Dia is an uncommon girls' name that peaked in 2015 and remains in steady use.
Dia is predominantly a girl name. In 2025 it ranked #4,197 for girl births in the United States (and #7,305 across all names), given to 34 babies. Dia was first reported in SSA data in 1948 and peaked in 2015 (62 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 34 | 34 | #4,197 | — |
| 2024 | 40 | 40 | #4,135 | #12,791 |
| 2023 | 54 | 54 | #3,052 | — |
| 2022 | 48 | 48 | #3,329 | — |
| 2021 | 50 | 50 | #3,454 | #12,620 |
| 2020 | 49 | 49 | #3,193 | — |
| 2019 | 40 | 40 | #3,737 | — |
| 2018 | 40 | 40 | #3,746 | — |
| 2017 | 42 | 42 | #3,647 | — |
| 2016 | 50 | 50 | #3,245 | — |
| 2015 | 62 | 62 | #2,820 | — |
| 2014 | 54 | 54 | #3,088 | — |
| 2013 | 56 | 56 | #2,985 | — |
| 2012 | 60 | 60 | #2,877 | — |
| 2011 | 50 | 50 | #3,561 | #11,188 |
| 2010 | 46 | 46 | #3,764 | #12,752 |
| 2009 | 41 | 41 | #3,817 | — |
| 2008 | 36 | 36 | #4,293 | — |
| 2007 | 43 | 43 | #4,237 | #10,034 |
| 2006 | 35 | 35 | #4,183 | — |
| 2005 | 34 | 34 | #4,139 | — |
| 2004 | 28 | 28 | #4,740 | — |
| 2003 | 17 | 17 | #6,678 | — |
| 2002 | 14 | 14 | #7,539 | — |
| 2001 | 27 | 27 | #5,238 | #11,022 |
| 2000 | 21 | 21 | #5,364 | — |
| 1999 | 27 | 27 | #4,231 | — |
| 1998 | 20 | 20 | #5,194 | — |
| 1997 | 26 | — | #4,879 | #9,648 |
| 1996 | 19 | — | #5,120 | — |
| 1995 | 16 | — | #5,750 | — |
| 1994 | 17 | — | #7,231 | #9,190 |
| 1993 | 26 | — | #4,019 | — |
| 1992 | 19 | — | #5,109 | — |
| 1991 | 27 | — | #3,852 | — |
| 1990 | 22 | — | #4,409 | — |
| 1989 | 20 | — | #4,555 | — |
| 1988 | 28 | — | #3,416 | — |
| 1987 | 24 | — | #3,647 | — |
| 1986 | 21 | — | #3,916 | — |
| 1985 | 29 | — | #3,105 | — |
| 1984 | 34 | — | #3,097 | #5,769 |
| 1983 | 20 | — | #3,849 | — |
| 1982 | 34 | — | #2,714 | — |
| 1981 | 41 | — | #2,736 | #4,629 |
| 1980 | 40 | — | #2,399 | — |
| 1979 | 47 | — | #2,351 | #4,980 |
| 1978 | 45 | — | #2,280 | #6,059 |
| 1977 | 53 | — | #2,169 | #3,674 |
| 1976 | 38 | — | #2,214 | — |
| 1975 | 33 | — | #2,761 | #4,968 |
| 1974 | 42 | — | #2,186 | #5,428 |
| 1973 | 45 | — | #2,140 | #3,789 |
| 1972 | 58 | — | #1,900 | #2,566 |
| 1971 | 44 | — | #2,119 | #5,103 |
| 1970 | 46 | — | #1,884 | — |
| 1969 | 38 | — | #2,034 | — |
| 1968 | 43 | — | #1,817 | — |
| 1967 | 32 | — | #2,089 | — |
| 1966 | 34 | — | #1,992 | — |
| 1965 | 29 | — | #2,215 | — |
| 1964 | 17 | — | #3,143 | — |
| 1963 | 12 | — | #3,857 | — |
| 1962 | 16 | — | #3,199 | — |
| 1961 | 11 | — | #4,073 | — |
| 1960 | 15 | — | #3,250 | — |
| 1959 | 15 | — | #3,146 | — |
| 1958 | 13 | — | #3,417 | — |
| 1957 | 13 | — | #3,355 | — |
| 1956 | 7 | — | #4,955 | — |
| 1955 | 8 | — | #4,474 | — |
| 1953 | 6 | — | #5,198 | — |
| 1952 | 8 | — | #4,209 | — |
| 1951 | 8 | — | #4,115 | — |
| 1950 | 5 | — | #5,487 | — |
| 1948 | 5 | — | #5,441 | — |