| Municipality | Total households | Family households | Non-family households | Households with individuals under 18 | Households with individuals over 65 | Average household size | Average family size |
| Boonton | 3,272 | 2,159 | 1,113 | 1,000 | 813 | 2.55 | 3.11 |
| Boonton Twp. | 1,476 | 1,157 | 319 | 567 | 383 | 2.78 | 3.18 |
| Butler | 2,868 | 2,025 | 843 | 934 | 725 | 2.58 | 3.09 |
| Chatham Boro. | 3,159 | 2,384 | 775 | 1,271 | 766 | 2.67 | 3.14 |
| Chatham Twp. | 3,920 | 2,772 | 1,148 | 1,380 | 922 | 2.54 | 3.11 |
| Chester Boro. | 609 | 427 | 182 | 218 | 172 | 2.66 | 3.15 |
| Chester Twp. | 2,323 | 2,013 | 310 | 1,111 | 399 | 3.05 | 3.29 |
| Denville | 5,990 | 4,315 | 1,675 | 2,074 | 1,624 | 2.59 | 3.11 |
| Dover | 5,436 | 3,918 | 1,518 | 2,242 | 1,277 | 3.29 | 3.55 |
| East Hanover | 3,843 | 3,214 | 629 | 1,407 | 1,163 | 2.96 | 3.26 |
| Florham Park | 3,239 | 2,474 | 765 | 1,040 | 1,067 | 2.62 | 3.05 |
| Hanover | 4,745 | 3,619 | 1,126 | 1,631 | 1,363 | 2.71 | 3.13 |
| Harding | 1,180 | 941 | 239 | 393 | 361 | 2.69 | 3.03 |
| Jefferson | 7,131 | 5,446 | 1,685 | 2,907 | 1,281 | 2.76 | 3.17 |
| Kinnelon | 3,062 | 2,685 | 377 | 1,440 | 586 | 3.06 | 3.27 |
| Lincoln Park | 4,026 | 2,707 | 1,319 | 1,251 | 853 | 2.54 | 3.14 |
| Long Hill | 3,139 | 2,458 | 681 | 1,202 | 782 | 2.79 | 3.19 |
| Madison | 5,520 | 3,785 | 1,735 | 1,807 | 1,501 | 2.53 | 3.05 |
| Mendham Boro. | 1,781 | 1,380 | 401 | 666 | 514 | 2.72 | 3.13 |
| Mendham Twp. | 1,788 | 1,539 | 249 | 853 | 382 | 3.01 | 3.27 |
| Mine Hill | 1,365 | 1,041 | 324 | 499 | 349 | 2.7 | 3.08 |
| Montville | 7,380 | 5,869 | 1,511 | 2,858 | 1,542 | 2.8 | 3.17 |
| Morris Twp. | 8,116 | 5,953 | 2,163 | 2,639 | 2,088 | 2.55 | 2.99 |
| Morris Plains | 1,955 | 1,478 | 477 | 679 | 547 | 2.63 | 3.05 |
| Morristown | 7,252 | 3,700 | 3,552 | 1,875 | 1,574 | 2.43 | 3.19 |
| Mountain Lakes | 1,330 | 1,187 | 143 | 724 | 266 | 3.2 | 3.41 |
| Mount Arlington | 1,918 | 1,263 | 655 | 576 | 374 | 2.42 | 2.99 |
| Mount Olive | 9,068 | 6,372 | 2,696 | 3,696 | 1,219 | 2.66 | 3.22 |
| Netcong | 1,008 | 681 | 327 | 328 | 283 | 2.56 | 3.1 |
| Parsippany | 19,624 | 13,160 | 6,464 | 6,184 | 4,141 | 2.53 | 3.13 |
| Pequannock | 5,026 | 3,828 | 1,198 | 1,849 | 1,414 | 2.76 | 3.23 |
| Randolph | 8,679 | 6,806 | 1,873 | 3,929 | 1,341 | 2.86 | 3.28 |
| Riverdale | 919 | 672 | 247 | 313 | 228 | 2.68 | 3.14 |
| Rockaway Boro. | 2,445 | 1,709 | 736 | 881 | 585 | 2.64 | 3.16 |
| Rockaway Twp. | 8,108 | 6,381 | 1,727 | 3,392 | 1,586 | 2.82 | 3.21 |
| Roxbury | 8,364 | 6,534 | 1,830 | 3,524 | 1,711 | 2.84 | 3.25 |
| Victory Gardens | 564 | 382 | 182 | 251 | 65 | 2.74 | 3.21 |
| Washington | 5,755 | 4,874 | 881 | 2,780 | 960 | 3.02 | 3.31 |
| Wharton | 2,328 | 1,599 | 729 | 871 | 558 | 2.7 | 3.28 |
| Morris County | 169,711 | 124,907 | 44,804 | 63,242 | 37,765 | 2.72 | 3.18 |