| <Transition of population> | |||||
| Japanese Era | A.D. | (total) | (male) | (female) | (household) |
| 7th Heisei | 1995 | 60,626 | 29,472 | 31,154 | 17,330 |
| 2nd Heisei | 1990 | 57,339 | 27,764 | 29,575 | 15,464 |
| 60th Showa | 1985 | 55,123 | 26,603 | 28,520 | 14,172 |
| 55th Showa | 1980 | 52,597 | 25,240 | 27,357 | 13,358 |
| 50th Showa | 1975 | 48,082 | 23,001 | 25,081 | 11,597 |
| 45th Showa | 1970 | 44,758 | 21,442 | 23,316 | 10,016 |
| 40th Showa | 1965 | 43,903 | 21,026 | 22,877 | 8,945 |
| 35th Showa | 1960 | 44,521 | 21,091 | 23,430 | 8,344 |
| 30th Showa | 1955 | 46,252 | 22,121 | 24,131 | 7,939 |
| 25th Showa | 1950 | 47,674 | 23,144 | 24,530 | 7,858 |
| 20th Showa | 1945 | 47,153 | 22,583 | 24,570 | 7,905 |
| 15th Showa | 1940 | 38,389 | 18,612 | 19,777 | 6,297 |
| 10th Showa | 1935 | 38,251 | 18,740 | 19,511 | 6,344 |
| 5th Showa | 1930 | 37,027 | 18,016 | 19,011 | 5,986 |
| 14th Taisho | 1925 | 35,428 | 17,256 | 18,172 | 5,834 |
| 9th Taisho | 1920 | 33,125 | 16,127 | 16,998 | 5,610 |
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