The baby name Foster appears in baby name data for the United States from 1910 to 2024. It was most popular in 2017 with 260 babies given the name.
In the later years of this period, Foster has become more popular compared with earlier years.
| Year | Count |
|---|---|
| 1910 | 10 |
| 1911 | 10 |
| 1912 | 51 |
| 1913 | 60 |
| 1914 | 74 |
| 1915 | 142 |
| 1916 | 174 |
| 1917 | 192 |
| 1918 | 225 |
| 1919 | 171 |
| 1920 | 221 |
| 1921 | 183 |
| 1922 | 179 |
| 1923 | 177 |
| 1924 | 194 |
| 1925 | 139 |
| 1926 | 165 |
| 1927 | 145 |
| 1928 | 74 |
| 1929 | 70 |
| 1930 | 126 |
| 1931 | 71 |
| 1932 | 79 |
| 1933 | 53 |
| 1934 | 73 |
| 1935 | 87 |
| 1936 | 53 |
| 1937 | 68 |
| 1938 | 72 |
| 1939 | 55 |
| 1940 | 61 |
| 1941 | 66 |
| 1942 | 64 |
| 1943 | 66 |
| 1944 | 87 |
| 1945 | 84 |
| 1946 | 45 |
| 1947 | 106 |
| 1948 | 92 |
| 1949 | 100 |
| 1950 | 43 |
| 1951 | 55 |
| 1952 | 43 |
| 1953 | 34 |
| 1954 | 12 |
| 1955 | 50 |
| 1956 | 40 |
| 1957 | 20 |
| 1958 | 33 |
| 1959 | 31 |
| 1960 | 11 |
| 1961 | 18 |
| 1962 | 5 |
| 1964 | 13 |
| 1966 | 6 |
| 1968 | 5 |
| 1970 | 5 |
| 1971 | 5 |
| 1973 | 6 |
| 1975 | 11 |
| 1977 | 6 |
| 1980 | 5 |
| 1981 | 5 |
| 1984 | 15 |
| 1985 | 10 |
| 1988 | 5 |
| 1990 | 9 |
| 1991 | 15 |
| 1992 | 22 |
| 1993 | 29 |
| 1994 | 45 |
| 1995 | 50 |
| 1996 | 34 |
| 1997 | 93 |
| 1998 | 22 |
| 1999 | 77 |
| 2000 | 39 |
| 2001 | 23 |
| 2002 | 46 |
| 2003 | 39 |
| 2004 | 90 |
| 2005 | 27 |
| 2006 | 37 |
| 2007 | 50 |
| 2008 | 76 |
| 2009 | 73 |
| 2010 | 83 |
| 2011 | 66 |
| 2012 | 202 |
| 2013 | 241 |
| 2014 | 213 |
| 2015 | 186 |
| 2016 | 250 |
| 2017 | 260 |
| 2018 | 202 |
| 2019 | 250 |
| 2020 | 224 |
| 2021 | 196 |
| 2022 | 211 |
| 2023 | 228 |
| 2024 | 199 |