| 2000 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Total Households (thousands) | 11,652 | 13,876 | 13,991 | 14,137 | 14,289 | 14,361 | 14,555 | 14,748 | 14,956 | 15,164 | |
Households by Building Type (thousands) | |||||||||||
| Single Detached | 6,491 | 7,689 | 7,748 | 7,826 | 7,905 | 7,944 | 8,046 | 8,149 | 8,260 | 8,372 | |
| Single Attached | 1,221 | 1,609 | 1,633 | 1,659 | 1,687 | 1,707 | 1,739 | 1,772 | 1,807 | 1,842 | |
| Apartments | 3,722 | 4,348 | 4,381 | 4,423 | 4,467 | 4,482 | 4,539 | 4,596 | 4,656 | 4,717 | |
| Mobile Homes | 217 | 230 | 229 | 229 | 229 | 230 | 231 | 232 | 233 | 234 | |
Shares (%) | |||||||||||
| Single Detached | 55.7 | 55.4 | 55.4 | 55.4 | 55.3 | 55.3 | 55.3 | 55.3 | 55.2 | 55.2 | |
| Single Attached | 10.5 | 11.6 | 11.7 | 11.7 | 11.8 | 11.9 | 12.0 | 12.0 | 12.1 | 12.1 | |
| Apartments | 31.9 | 31.3 | 31.3 | 31.3 | 31.3 | 31.2 | 31.2 | 31.2 | 31.1 | 31.1 | |
| Mobile Homes | 1.9 | 1.7 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.5 | |
Households by Principal Heating Energy Source (thousands) | |||||||||||
| Electricity | 3,847 | 5,579 | 5,726 | 5,889 | 6,055 | 6,161 | 6,323 | 6,449 | 6,577 | 6,702 | |
| Natural Gas | 5,633 | 6,892 | 6,925 | 6,967 | 7,005 | 7,020 | 7,084 | 7,162 | 7,249 | 7,337 | |
| Heating Oil | 1,496 | 765 | 710 | 660 | 612 | 568 | 531 | 515 | 501 | 487 | |
| Other1 | 125 | 183 | 193 | 204 | 217 | 231 | 250 | 261 | 273 | 286 | |
| Wood | 549 | 458 | 437 | 418 | 399 | 381 | 367 | 361 | 356 | 352 | |
Shares (%) | |||||||||||
| Electricity | 33.0 | 40.2 | 40.9 | 41.7 | 42.4 | 42.9 | 43.4 | 43.7 | 44.0 | 44.2 | |
| Natural Gas | 48.3 | 49.7 | 49.5 | 49.3 | 49.0 | 48.9 | 48.7 | 48.6 | 48.5 | 48.4 | |
| Heating Oil | 12.8 | 5.5 | 5.1 | 4.7 | 4.3 | 4.0 | 3.6 | 3.5 | 3.3 | 3.2 | |
| Other1 | 1.1 | 1.3 | 1.4 | 1.4 | 1.5 | 1.6 | 1.7 | 1.8 | 1.8 | 1.9 | |
| Wood | 4.7 | 3.3 | 3.1 | 3.0 | 2.8 | 2.7 | 2.5 | 2.4 | 2.4 | 2.3 | |