| 西暦 | 元号 | 年度 | 児童数 | 学校名称 | 
| 1889 | 明治 | 22 | 53 | 横堀簡易小学校分教室 | 
| 1890 | 23 | 56 | 小野・横堀組合村立尋常小学校 | |
| 1891 | 24 | 50 | ||
| 1892 | 25 | 51 | ||
| 1893 | 26 | 56 | ||
| 1894 | 27 | 65 | ||
| 1895 | 28 | 76 | ||
| 1896 | 29 | 54 | ||
| 1897 | 30 | 52 | ||
| 1898 | 31 | 120 | ||
| 1899 | 32 | 116 | ||
| 1900 | 33 | 120 | 小野村立小野尋常小学校 | |
| 1901 | 34 | 215 | 小野村立小野尋常高等小学校 | |
| 1902 | 35 | 317 | ||
| 1903 | 36 | 267 | ||
| 1904 | 37 | 300 | ||
| 1905 | 38 | 335 | ||
| 1906 | 39 | 289 | ||
| 1907 | 40 | 363 | ||
| 1908 | 41 | 354 | ||
| 1909 | 42 | 337 | ||
| 1910 | 43 | 383 | ||
| 1911 | 44 | 437 | ||
| 1912 | 45 | 420 | ||
| 1913 | 大正 | 2 | 414 | |
| 1914 | 3 | 405 | ||
| 1915 | 4 | 404 | ||
| 1916 | 5 | 451 | ||
| 1917 | 6 | 454 | ||
| 1918 | 7 | 423 | ||
| 1919 | 8 | 481 | ||
| 1920 | 9 | 486 | ||
| 1921 | 10 | 473 | ||
| 1922 | 11 | 495 | ||
| 1923 | 12 | 489 | ||
| 1924 | 13 | 501 | ||
| 1925 | 14 | 488 | ||
| 1926 | 15 | 502 | ||
| 1927 | 昭和 | 2 | 509 | |
| 1928 | 3 | 530 | ||
| 1929 | 4 | 550 | ||
| 1930 | 5 | 559 | ||
| 1931 | 6 | 616 | ||
| 1932 | 7 | 640 | ||
| 1933 | 8 | 663 | ||
| 1934 | 9 | 706 | ||
| 1935 | 10 | 725 | ||
| 1936 | 11 | 726 | ||
| 1937 | 12 | 729 | ||
| 1938 | 13 | 727 | ||
| 1939 | 14 | 724 | ||
| 1940 | 15 | 725 | ||
| 1941 | 16 | 707 | 小野村立小野国民学校 | |
| 1942 | 17 | 701 | ||
| 1943 | 18 | 700 | ||
| 1944 | 19 | 699 | ||
| 1945 | 20 | 733 | ||
| 1946 | 21 | 644 | ||
| 1947 | 22 | 492 | 小野村立小野小学校・小野中学校 | |
| 1948 | 23 | 500 | ||
| 1949 | 24 | 494 | ||
| 1950 | 25 | 474 | ||
| 1951 | 26 | 485 | ||
| 1952 | 27 | 480 | ||
| 1953 | 28 | 450 | ||
| 1954 | 29 | 472 | ||
| 1955 | 30 | 486 | 雄勝町立小野小学校 | |
| 1956 | 31 | 494 | ||
| 1957 | 32 | 505 | ||
| 1958 | 33 | 529 | ||
| 1959 | 34 | 524 | ||
| 1960 | 35 | 524 | ||
| 1961 | 36 | 503 | ||
| 1962 | 37 | 488 | ||
| 1963 | 38 | 445 | ||
| 1964 | 39 | 422 | ||
| 1965 | 40 | 397 | ||
| 1966 | 41 | 367 | ||
| 1967 | 42 | 337 | ||
| 1968 | 43 | 318 | ||
| 1969 | 44 | 289 | ||
| 1970 | 45 | 251 | ||
| 1971 | 46 | 236 | ||
| 1972 | 47 | 209 | ||
| 1973 | 48 | 188 | ||
| 1974 | 49 | 177 | ||
| 1975 | 50 | 159 | ||
| 1976 | 51 | 160 | ||
| 1977 | 52 | 165 | ||
| 1978 | 53 | 157 | ||
| 1979 | 54 | 156 | ||
| 1980 | 55 | 167 | ||
| 1981 | 56 | 172 | ||
| 1982 | 57 | 179 | ||
| 1983 | 58 | 169 | ||
| 1984 | 59 | 177 | ||
| 1985 | 60 | 181 | ||
| 1986 | 61 | 170 | ||
| 1987 | 62 | 185 | ||
| 1988 | 63 | 182 | ||
| 1989 | 平成 | 1 | 181 | |
| 1990 | 2 | 176 | ||
| 1991 | 3 | 156 | ||
| 1992 | 4 | 158 | ||
| 1993 | 5 | 138 | ||
| 1994 | 6 | 125 | ||
| 1995 | 7 | 120 | ||
| 1996 | 8 | 110 | ||
| 1997 | 9 | 121 | ||
| 1998 | 10 | 123 | ||
| 1999 | 11 | 128 | ||
| 2000 | 12 | 119 | ||
| 2001 | 13 | 110 | ||
| 2002 | 14 | 106 | ||
| 2003 | 15 | 97 | ||
| 2004 | 16 | 85 | ||
| 2005 | 17 | 82 | 湯沢市立小野小学校 | |
| 2006 | 18 | 78 | ||
| 2007 | 19 | 77 | ||
| 2008 | 20 | 80 | ||
| 2009 | 21 | 73 | ||
| 2010 | 22 | 64 | ||
| 2011 | 23 | 64 | ||
| 2012 | 24 | 64 | ||
| 2013 | 25 | 62 |