| １０．国勢調査 年齢別人口の推移 | ||||||||||||||
| (各年10月1日現在国勢調査より) | ||||||||||||||
| 区 分 | 7年 | 12年 | 17年 | 22年 | 27年 | |||||||||
| （各 歳） | 人口 | 割合 | 人口 | うち 女性数 | 割合 | 人口 | うち 女性数 | 割合 | 人口 | うち 女性数 | 割合 | 人口 | うち 女性数 | 割合 |
| 総 数 | 107,890 | 100% | 110,519 | 56,396 | 100% | 112,241 | 57,187 | 100% | 111,838 | 56,927 | 100% | 110,046 | 56,210 | 100% |
| 0〜4 | 5,150 | 4.8% | 5,153 | 2,512 | 4.7% | 4,986 | 2,440 | 4.4% | 4,655 | 2,272 | 4.2% | 4,325 | 2,108 | 3.9% |
| 5〜9 | 6,042 | 5.6% | 5,487 | 2,710 | 5.0% | 5,375 | 2,629 | 4.8% | 5,076 | 2,494 | 4.5% | 4,769 | 2,328 | 4.3% |
| 10〜14 | 6,689 | 6.2% | 6,225 | 3,078 | 5.6% | 5,514 | 2,727 | 4.9% | 5,341 | 2,633 | 4.8% | 5,123 | 2,507 | 4.6% |
| 15〜19 | 7,666 | 7.1% | 6,650 | 3,264 | 6.0% | 6,131 | 3,005 | 5.5% | 5,473 | 2,693 | 4.9% | 5,208 | 2,550 | 4.7% |
| 20〜24 | 7,967 | 7.4% | 6,495 | 3,318 | 5.9% | 5,920 | 2,869 | 5.3% | 5,479 | 2,639 | 4.9% | 4,699 | 2,269 | 4.2% |
| 25〜29 | 7,076 | 6.6% | 8,114 | 4,077 | 7.3% | 6,609 | 3,280 | 5.9% | 5,527 | 2,634 | 4.9% | 5,157 | 2,540 | 4.6% |
| 30〜34 | 6,913 | 6.4% | 7,647 | 3,727 | 6.9% | 8,465 | 4,220 | 7.5% | 6,817 | 3,318 | 6.1% | 5,626 | 2,721 | 5.0% |
| 35〜39 | 6,846 | 6.3% | 7,286 | 3,582 | 6.6% | 8,005 | 3,883 | 7.1% | 8,659 | 4,341 | 7.7% | 6,969 | 3,367 | 6.2% |
| 40〜44 | 8,225 | 7.6% | 7,057 | 3,534 | 6.4% | 7,447 | 3,670 | 6.6% | 8,095 | 3,948 | 7.2% | 8,695 | 4,391 | 7.8% |
| 45〜49 | 9,673 | 9.0% | 8,171 | 4,050 | 7.4% | 6,949 | 3,471 | 6.2% | 7,287 | 3,599 | 6.5% | 8,007 | 3,934 | 7.2% |
| 50〜54 | 8,488 | 7.9% | 9,462 | 4,838 | 8.6% | 8,077 | 4,027 | 7.2% | 6,850 | 3,436 | 6.1% | 7,189 | 3,535 | 6.4% |
| 55〜59 | 7,202 | 6.7% | 8,319 | 4,160 | 7.5% | 9,219 | 4,742 | 8.2% | 7,895 | 3,934 | 7.1% | 6,613 | 3,340 | 5.9% |
| 60〜64 | 6,251 | 5.8% | 7,067 | 3,543 | 6.4% | 8,057 | 4,109 | 7.2% | 8,964 | 4,684 | 8.0% | 7,648 | 3,868 | 6.8% |
| 65〜69 | 5,035 | 4.7% | 5,990 | 3,148 | 5.4% | 6,810 | 3,464 | 6.1% | 7,740 | 3,972 | 6.9% | 8,528 | 4,540 | 7.6% |
| 70〜74 | 3,477 | 3.2% | 4,686 | 2,535 | 4.2% | 5,579 | 2,977 | 5.0% | 6,355 | 3,336 | 5.7% | 7,255 | 3,833 | 6.5% |
| 75〜79 | 2,366 | 2.2% | 3,124 | 1,871 | 2.8% | 4,190 | 2,387 | 3.7% | 4,973 | 2,759 | 4.4% | 5,737 | 3,117 | 5.1% |
| 80〜84※ | 2,824 | 2.6% | 1,924 | 1,288 | 1.7% | 2,633 | 1,644 | 2.3% | 3,426 | 2,065 | 3.1% | 4,170 | 2,462 | 3.7% |
| 85〜89 | 1,158 | 808 | 1.0% | 1,375 | 979 | 1.2% | 1,913 | 1,304 | 1.7% | 2,397 | 1,583 | 2.1% | ||
| 90〜94 | 426 | 299 | 0.4% | 665 | 503 | 0.6% | 748 | 567 | 0.7% | 1,020 | 752 | 0.9% | ||
| 95〜99 | 71 | 50 | 0.1% | 156 | 125 | 0.1% | 250 | 207 | 0.2% | 218 | 181 | 0.2% | ||
| 100歳以上 | 4 | 4 | 0.0% | 11 | 7 | 0.0% | 37 | 30 | 0.0% | 41 | 35 | 0.0% | ||
| 不詳 | 3 | − | 0.0% | 68 | 29 | 0.1% | 278 | 62 | 0.2% | 652 | 249 | 0.6% | ||
| ※昭和６０、平成２、７年の８０〜８４の年齢区分は、８０〜１００歳以上の合計人口を示す。 | ||||||||||||||