| 表7−31 性,年齢(5歳階級)別単独世帯数および率:1980〜2005年 | |||||||||||||
| 年齢 | 単独世帯1) (1,000世帯) | 率2) (%) | |||||||||||
| 1980年 | 1985年 | 1990年 | 1995年 | 2000年 | 2005年 | 1980年 | 1985年 | 1990年 | 1995年 | 2000年 | 2005年 | ||
| 総数 | |||||||||||||
| 総数 | 7,105 | 7,895 | 9,390 | 11,239 | 12,911 | 14,457 | 6.1 | 6.5 | 7.6 | 9.0 | 10.2 | 11.3 | |
| 15歳未満 | 1 | 1 | 0 | 1 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
| 15〜19 | 639 | 549 | 624 | 568 | 490 | 435 | 7.7 | 6.1 | 6.2 | 6.6 | 6.5 | 6.6 | |
| 20〜24 | 1,795 | 1,799 | 1,946 | 2,162 | 1,954 | 1,742 | 22.9 | 21.9 | 22.0 | 21.8 | 23.2 | 23.6 | |
| 25〜29 | 1,118 | 1,073 | 1,287 | 1,524 | 1,740 | 1,619 | 12.4 | 13.7 | 15.9 | 17.3 | 17.7 | 19.5 | |
| 30〜34 | 640 | 663 | 670 | 866 | 1,117 | 1,351 | 5.9 | 7.3 | 8.6 | 10.6 | 12.7 | 13.8 | |
| 35〜39 | 353 | 548 | 559 | 572 | 758 | 994 | 3.8 | 5.1 | 6.2 | 7.3 | 9.3 | 11.3 | |
| 40〜44 | 285 | 406 | 597 | 617 | 606 | 795 | 3.4 | 4.4 | 5.6 | 6.8 | 7.8 | 9.8 | |
| 45〜49 | 321 | 381 | 519 | 760 | 732 | 718 | 4.0 | 4.6 | 5.7 | 7.2 | 8.2 | 9.3 | |
| 50〜54 | 364 | 423 | 493 | 670 | 925 | 890 | 5.1 | 5.3 | 6.1 | 7.5 | 8.8 | 10.1 | |
| 55〜59 | 359 | 441 | 529 | 634 | 803 | 1,107 | 6.4 | 6.3 | 6.8 | 8.0 | 9.2 | 10.8 | |
| 60〜64 | 348 | 431 | 542 | 664 | 753 | 940 | 7.8 | 8.0 | 8.0 | 8.9 | 9.7 | 11.0 | |
| 65〜69 | 339 | 405 | 526 | 675 | 824 | 921 | 8.5 | 9.6 | 10.3 | 10.5 | 11.6 | 12.3 | |
| 70〜74 | 269 | 363 | 458 | 609 | 815 | 977 | 8.9 | 10.2 | 12.0 | 13.0 | 13.8 | 14.7 | |
| 75〜79 | 168 | 248 | 362 | 469 | 691 | 904 | 8.2 | 10.0 | 12.0 | 14.2 | 16.6 | 17.1 | |
| 80〜84 | 78 | 118 | 196 | 301 | 433 | 644 | 7.1 | 8.3 | 10.7 | 13.1 | 16.5 | 18.8 | |
| 85歳以上 | 28 | 46 | 81 | 148 | 270 | 419 | 5.2 | 5.9 | 7.2 | 9.4 | 12.1 | 14.3 | |
| 男 | |||||||||||||
| 総数 | 3,963 | 4,428 | 5,247 | 6,224 | 6,979 | 7,665 | 6.9 | 7.4 | 8.6 | 10.1 | 11.2 | 12.3 | |
| 15歳未満 | 0 | 0 | 0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
| 15〜19 | 371 | 333 | 381 | 335 | 284 | 257 | 8.8 | 7.2 | 7.4 | 7.6 | 7.4 | 7.6 | |
| 20〜24 | 1,198 | 1,215 | 1,293 | 1,383 | 1,189 | 1,029 | 30.2 | 29.2 | 28.8 | 27.4 | 27.5 | 27.3 | |
| 25〜29 | 878 | 825 | 955 | 1,079 | 1,161 | 1,018 | 19.3 | 20.9 | 23.3 | 24.2 | 23.3 | 24.1 | |
| 30〜34 | 476 | 507 | 502 | 629 | 774 | 888 | 8.8 | 11.1 | 12.7 | 15.3 | 17.4 | 17.9 | |
| 35〜39 | 231 | 394 | 417 | 419 | 537 | 676 | 5.0 | 7.3 | 9.2 | 10.6 | 13.1 | 15.3 | |
| 40〜44 | 164 | 268 | 427 | 456 | 441 | 557 | 3.9 | 5.9 | 7.9 | 10.1 | 11.2 | 13.6 | |
| 45〜49 | 155 | 221 | 334 | 526 | 522 | 503 | 3.8 | 5.4 | 7.4 | 9.9 | 11.7 | 13.0 | |
| 50〜54 | 138 | 194 | 263 | 401 | 595 | 592 | 3.9 | 4.9 | 6.6 | 9.1 | 11.4 | 13.4 | |
| 55〜59 | 91 | 145 | 211 | 302 | 428 | 651 | 3.6 | 4.2 | 5.6 | 7.7 | 10.0 | 12.8 | |
| 60〜64 | 67 | 93 | 153 | 232 | 305 | 442 | 3.4 | 3.9 | 4.7 | 6.4 | 8.1 | 10.6 | |
| 65〜69 | 67 | 71 | 102 | 179 | 256 | 338 | 3.8 | 4.0 | 4.7 | 5.9 | 7.6 | 9.5 | |
| 70〜74 | 57 | 67 | 76 | 111 | 202 | 277 | 4.3 | 4.5 | 4.9 | 5.7 | 7.5 | 9.1 | |
| 75〜79 | 40 | 52 | 67 | 77 | 136 | 213 | 4.8 | 5.1 | 5.6 | 6.1 | 8.4 | 9.4 | |
| 80〜84 | 21 | 29 | 43 | 57 | 82 | 130 | 5.0 | 5.4 | 6.3 | 6.9 | 9.0 | 10.6 | |
| 85歳以上 | 8 | 14 | 23 | 37 | 66 | 93 | 4.9 | 5.3 | 6.3 | 7.6 | 10.0 | 11.4 | |
| 女 | |||||||||||||
| 総数 | 3,143 | 3,466 | 4,143 | 5,016 | 5,933 | 6,793 | 5.3 | 5.6 | 6.6 | 7.8 | 9.2 | 10.4 | |
| 15歳未満 | 0 | 0 | 0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
| 15〜19 | 268 | 216 | 243 | 233 | 206 | 178 | 6.6 | 4.9 | 5.0 | 5.6 | 5.6 | 5.6 | |
| 20〜24 | 597 | 583 | 653 | 778 | 765 | 713 | 15.4 | 14.5 | 15.0 | 16.0 | 18.6 | 19.8 | |
| 25〜29 | 239 | 247 | 332 | 445 | 579 | 601 | 5.3 | 6.4 | 8.3 | 10.3 | 12.0 | 14.7 | |
| 30〜34 | 164 | 156 | 168 | 236 | 344 | 463 | 3.1 | 3.5 | 4.3 | 5.9 | 7.9 | 9.6 | |
| 35〜39 | 122 | 155 | 142 | 153 | 220 | 318 | 2.7 | 2.9 | 3.2 | 3.9 | 5.5 | 7.3 | |
| 40〜44 | 121 | 137 | 171 | 161 | 165 | 238 | 2.9 | 3.0 | 3.2 | 3.6 | 4.2 | 5.9 | |
| 45〜49 | 167 | 160 | 185 | 234 | 210 | 215 | 4.1 | 3.9 | 4.1 | 4.4 | 4.7 | 5.6 | |
| 50〜54 | 226 | 228 | 230 | 269 | 329 | 298 | 6.2 | 5.7 | 5.6 | 6.0 | 6.3 | 6.7 | |
| 55〜59 | 268 | 297 | 318 | 332 | 375 | 456 | 8.6 | 8.3 | 8.1 | 8.2 | 8.4 | 8.8 | |
| 60〜64 | 281 | 338 | 389 | 432 | 448 | 498 | 11.2 | 11.2 | 11.1 | 11.2 | 11.2 | 11.3 | |
| 65〜69 | 273 | 334 | 424 | 497 | 568 | 583 | 12.3 | 13.8 | 14.5 | 14.6 | 15.1 | 15.0 | |
| 70〜74 | 212 | 296 | 382 | 498 | 614 | 700 | 12.4 | 14.4 | 16.9 | 18.1 | 19.0 | 19.4 | |
| 75〜79 | 128 | 197 | 296 | 392 | 554 | 691 | 10.7 | 13.3 | 16.2 | 19.3 | 21.9 | 22.9 | |
| 80〜84 | 57 | 89 | 153 | 243 | 351 | 514 | 8.4 | 10.0 | 13.3 | 16.5 | 20.6 | 23.4 | |
| 85歳以上 | 19 | 33 | 59 | 111 | 204 | 326 | 5.4 | 6.2 | 7.7 | 10.1 | 12.9 | 15.3 | |