| 06902 | Stamford | Western CT Planning Region | 72,915 |
| 06010 | Bristol | Naugatuck Valley Planning Region | 61,206 |
| 06810 | Danbury | Western CT Planning Region | 55,179 |
| 06516 | West Haven | South Central CT Planning Region | 55,147 |
| 06511 | New Haven | South Central CT Planning Region | 54,744 |
| 06606 | Bridgeport | Greater Bridgeport Planning Region | 50,918 |
| 06457 | Middletown | Lower CT River Valley Planning Region | 46,690 |
| 06492 | Wallingford | South Central CT Planning Region | 44,099 |
| 06484 | Shelton | Naugatuck Valley Planning Region | 41,402 |
| 06082 | Enfield | Capitol Planning Region | 41,100 |
| 06513 | New Haven | South Central CT Planning Region | 38,343 |
| 06106 | Hartford | Capitol Planning Region | 37,809 |
| 06360 | Norwich | Southeastern CT Planning Region | 37,527 |
| 06460 | Milford | South Central CT Planning Region | 37,084 |
| 06611 | Trumbull | Greater Bridgeport Planning Region | 36,928 |
| 06824 | Fairfield | Greater Bridgeport Planning Region | 36,868 |
| 06040 | Manchester | Capitol Planning Region | 36,171 |
| 06450 | Meriden | South Central CT Planning Region | 35,896 |
| 06053 | New Britain | Capitol Planning Region | 35,697 |
| 06790 | Torrington | Northwest Hills Planning Region | 35,544 |
| 06614 | Stratford | Greater Bridgeport Planning Region | 35,538 |
| 06489 | Southington | Capitol Planning Region | 32,444 |
| 06854 | Norwalk | Western CT Planning Region | 31,753 |
| 06770 | Naugatuck | Naugatuck Valley Planning Region | 31,671 |
| 06704 | Waterbury | Naugatuck Valley Planning Region | 30,666 |
| 06111 | Newington | Capitol Planning Region | 30,551 |
| 06811 | Danbury | Western CT Planning Region | 30,526 |
| 06066 | Vernon Rockville | Capitol Planning Region | 30,377 |
| 06340 | Groton | Southeastern CT Planning Region | 29,833 |
| 06604 | Bridgeport | Greater Bridgeport Planning Region | 29,497 |
| 06051 | New Britain | Capitol Planning Region | 29,421 |
| 06095 | Windsor | Capitol Planning Region | 29,367 |
| 06512 | East Haven | South Central CT Planning Region | 29,347 |
| 06033 | Glastonbury | Capitol Planning Region | 29,311 |
| 06708 | Waterbury | Naugatuck Valley Planning Region | 29,103 |
| 06410 | Cheshire | Naugatuck Valley Planning Region | 28,792 |
| 06851 | Norwalk | Western CT Planning Region | 28,591 |
| 06405 | Branford | South Central CT Planning Region | 28,090 |
| 06880 | Westport | Western CT Planning Region | 27,364 |
| 06320 | New London | Southeastern CT Planning Region | 27,275 |
| 06109 | Wethersfield | Capitol Planning Region | 27,180 |
| 06776 | New Milford | Western CT Planning Region | 27,133 |
| 06074 | South Windsor | Capitol Planning Region | 26,820 |
| 06118 | East Hartford | Capitol Planning Region | 26,771 |
| 06705 | Waterbury | Naugatuck Valley Planning Region | 26,352 |
| 06514 | Hamden | South Central CT Planning Region | 25,291 |
| 06114 | Hartford | Capitol Planning Region | 25,283 |
| 06605 | Bridgeport | Greater Bridgeport Planning Region | 25,238 |
| 06877 | Ridgefield | Western CT Planning Region | 25,029 |
| 06830 | Greenwich | Western CT Planning Region | 24,919 |
| 06473 | North Haven | South Central CT Planning Region | 24,527 |
| 06451 | Meriden | South Central CT Planning Region | 24,522 |
| 06108 | East Hartford | Capitol Planning Region | 24,027 |
| 06042 | Manchester | Capitol Planning Region | 23,302 |
| 06610 | Bridgeport | Greater Bridgeport Planning Region | 22,092 |
| 06437 | Guilford | South Central CT Planning Region | 22,037 |
| 06112 | Hartford | Capitol Planning Region | 21,918 |
| 06820 | Darien | Western CT Planning Region | 21,683 |
| 06002 | Bloomfield | Capitol Planning Region | 21,547 |
| 06825 | Fairfield | Greater Bridgeport Planning Region | 20,992 |
| 06067 | Rocky Hill | Capitol Planning Region | 20,716 |
| 06840 | New Canaan | Western CT Planning Region | 20,704 |
| 06801 | Bethel | Western CT Planning Region | 20,498 |
| 06107 | West Hartford | Capitol Planning Region | 20,423 |
| 06905 | Stamford | Western CT Planning Region | 20,126 |
| 06488 | Southbury | Naugatuck Valley Planning Region | 19,973 |
| 06518 | Hamden | South Central CT Planning Region | 19,958 |
| 06850 | Norwalk | Western CT Planning Region | 19,774 |
| 06401 | Ansonia | Naugatuck Valley Planning Region | 19,160 |
| 06001 | Avon | Capitol Planning Region | 19,157 |
| 06226 | Willimantic | Southeastern CT Planning Region | 19,068 |
| 06468 | Monroe | Greater Bridgeport Planning Region | 18,833 |
| 06037 | Berlin | Capitol Planning Region | 18,754 |
| 06105 | Hartford | Capitol Planning Region | 18,660 |
| 06032 | Farmington | Capitol Planning Region | 18,642 |
| 06897 | Wilton | Western CT Planning Region | 18,439 |
| 06515 | New Haven | South Central CT Planning Region | 18,388 |
| 06804 | Brookfield | Western CT Planning Region | 17,871 |
| 06443 | Madison | South Central CT Planning Region | 17,577 |
| 06062 | Plainville | Capitol Planning Region | 17,499 |
| 06615 | Stratford | Greater Bridgeport Planning Region | 16,865 |
| 06483 | Seymour | Naugatuck Valley Planning Region | 16,799 |
| 06029 | Ellington | Capitol Planning Region | 16,571 |
| 06415 | Colchester | Southeastern CT Planning Region | 16,075 |
| 06716 | Wolcott | Naugatuck Valley Planning Region | 16,058 |
| 06385 | Waterford | Southeastern CT Planning Region | 15,900 |
| 06117 | West Hartford | Capitol Planning Region | 15,863 |
| 06351 | Jewett City | Southeastern CT Planning Region | 15,697 |
| 06470 | Newtown | Western CT Planning Region | 15,576 |
| 06706 | Waterbury | Naugatuck Valley Planning Region | 15,546 |
| 06519 | New Haven | South Central CT Planning Region | 15,426 |
| 06070 | Simsbury | Capitol Planning Region | 15,353 |
| 06461 | Milford | South Central CT Planning Region | 15,256 |
| 06119 | West Hartford | Capitol Planning Region | 15,011 |
| 06517 | Hamden | South Central CT Planning Region | 14,867 |
| 06084 | Tolland | Capitol Planning Region | 14,685 |
| 06831 | Greenwich | Western CT Planning Region | 14,656 |
| 06795 | Watertown | Naugatuck Valley Planning Region | 14,409 |
| 06416 | Cromwell | Lower CT River Valley Planning Region | 14,301 |
| 06477 | Orange | South Central CT Planning Region | 14,251 |
| 06120 | Hartford | Capitol Planning Region | 13,832 |
| 06903 | Stamford | Western CT Planning Region | 13,630 |
| 06812 | New Fairfield | Western CT Planning Region | 13,558 |
| 06413 | Clinton | Lower CT River Valley Planning Region | 13,317 |
| 06478 | Oxford | Naugatuck Valley Planning Region | 12,870 |
| 06608 | Bridgeport | Greater Bridgeport Planning Region | 12,558 |
| 06096 | Windsor Locks | Capitol Planning Region | 12,555 |
| 06424 | East Hampton | Lower CT River Valley Planning Region | 12,401 |
| 06110 | West Hartford | Capitol Planning Region | 12,307 |
| 06238 | Coventry | Capitol Planning Region | 12,267 |
| 06355 | Mystic | Southeastern CT Planning Region | 12,223 |
| 06418 | Derby | Naugatuck Valley Planning Region | 12,150 |
| 06076 | Stafford Springs | Capitol Planning Region | 11,989 |
| 06482 | Sandy Hook | Western CT Planning Region | 11,808 |
| 06239 | Danielson | Northeastern CT Planning Region | 11,594 |
| 06357 | Niantic | Southeastern CT Planning Region | 11,315 |
| 06268 | Storrs Mansfield | Capitol Planning Region | 10,782 |
| 06078 | Suffield | Capitol Planning Region | 10,751 |
| 06071 | Somers | Capitol Planning Region | 10,554 |
| 06475 | Old Saybrook | Lower CT River Valley Planning Region | 10,515 |
| 06901 | Stamford | Western CT Planning Region | 10,506 |
| 06883 | Weston | Western CT Planning Region | 10,335 |
| 06098 | Winsted | Northwest Hills Planning Region | 10,200 |
| 06479 | Plantsville | Capitol Planning Region | 10,192 |
| 06382 | Uncasville | Southeastern CT Planning Region | 10,076 |
| 06371 | Old Lyme | Lower CT River Valley Planning Region | 9,855 |
| 06798 | Woodbury | Naugatuck Valley Planning Region | 9,787 |
| 06019 | Canton | Capitol Planning Region | 9,735 |
| 06710 | Waterbury | Naugatuck Valley Planning Region | 9,669 |
| 06786 | Terryville | Naugatuck Valley Planning Region | 9,617 |
| 06013 | Burlington | Northwest Hills Planning Region | 9,613 |
| 06906 | Stamford | Western CT Planning Region | 9,472 |
| 06480 | Portland | Lower CT River Valley Planning Region | 9,421 |
| 06712 | Prospect | Naugatuck Valley Planning Region | 9,414 |
| 06339 | Ledyard | Southeastern CT Planning Region | 9,263 |
| 06260 | Putnam | Northeastern CT Planning Region | 9,227 |
| 06907 | Stamford | Western CT Planning Region | 9,071 |
| 06525 | Woodbridge | South Central CT Planning Region | 9,041 |
| 06379 | Pawcatuck | Southeastern CT Planning Region | 9,003 |
| 06896 | Redding | Western CT Planning Region | 8,719 |
| 06234 | Brooklyn | Northeastern CT Planning Region | 8,526 |
| 06878 | Riverside | Western CT Planning Region | 8,446 |
| 06052 | New Britain | Capitol Planning Region | 8,232 |
| 06855 | Norwalk | Western CT Planning Region | 8,028 |
| 06035 | Granby | Capitol Planning Region | 7,939 |
| 06870 | Old Greenwich | Western CT Planning Region | 7,903 |
| 06374 | Plainfield | Northeastern CT Planning Region | 7,884 |
| 06779 | Oakville | Naugatuck Valley Planning Region | 7,762 |
| 06762 | Middlebury | Naugatuck Valley Planning Region | 7,736 |
| 06607 | Bridgeport | Greater Bridgeport Planning Region | 7,709 |
| 06807 | Cos Cob | Western CT Planning Region | 7,667 |
| 06612 | Easton | Greater Bridgeport Planning Region | 7,612 |
| 06370 | Oakdale | Southeastern CT Planning Region | 7,547 |
| 06085 | Unionville | Capitol Planning Region | 7,521 |
| 06787 | Thomaston | Naugatuck Valley Planning Region | 7,493 |
| 06281 | Woodstock | Northeastern CT Planning Region | 7,417 |
| 06333 | East Lyme | Southeastern CT Planning Region | 7,323 |
| 06422 | Durham | Lower CT River Valley Planning Region | 7,182 |
| 06249 | Lebanon | Southeastern CT Planning Region | 7,137 |
| 06471 | North Branford | South Central CT Planning Region | 7,073 |
| 06016 | Broad Brook | Capitol Planning Region | 6,833 |
| 06498 | Westbrook | Lower CT River Valley Planning Region | 6,832 |
| 06269 | Storrs Mansfield | Capitol Planning Region | 6,723 |
| 06472 | Northford | South Central CT Planning Region | 6,414 |
| 06241 | Dayville | Northeastern CT Planning Region | 6,317 |
| 06419 | Killingworth | Lower CT River Valley Planning Region | 6,219 |
| 06447 | Marlborough | Capitol Planning Region | 6,106 |
| 06335 | Gales Ferry | Southeastern CT Planning Region | 6,100 |
| 06403 | Beacon Falls | Naugatuck Valley Planning Region | 6,089 |
| 06057 | New Hartford | Northwest Hills Planning Region | 5,922 |
| 06354 | Moosup | Northeastern CT Planning Region | 5,840 |
| 06073 | South Glastonbury | Capitol Planning Region | 5,825 |
| 06791 | Harwinton | Northwest Hills Planning Region | 5,565 |
| 06279 | Willington | Capitol Planning Region | 5,563 |
| 06248 | Hebron | Capitol Planning Region | 5,464 |
| 06759 | Litchfield | Northwest Hills Planning Region | 5,436 |
| 06378 | Stonington | Southeastern CT Planning Region | 5,408 |
| 06441 | Higganum | Lower CT River Valley Planning Region | 5,323 |
| 06524 | Bethany | South Central CT Planning Region | 5,280 |
| 06237 | Columbia | Capitol Planning Region | 5,268 |
| 06026 | East Granby | Capitol Planning Region | 5,176 |
| 06423 | East Haddam | Lower CT River Valley Planning Region | 5,163 |
| 06359 | North Stonington | Southeastern CT Planning Region | 5,154 |
| 06331 | Canterbury | Northeastern CT Planning Region | 5,102 |
| 06043 | Bolton | Capitol Planning Region | 4,848 |
| 06365 | Preston | Southeastern CT Planning Region | 4,781 |
| 06250 | Mansfield Center | Capitol Planning Region | 4,780 |
| 06890 | Southport | Greater Bridgeport Planning Region | 4,566 |
| 06259 | Pomfret Center | Northeastern CT Planning Region | 4,455 |
| 06255 | North Grosvenordale | Northeastern CT Planning Region | 4,442 |
| 06417 | Deep River | Lower CT River Valley Planning Region | 4,432 |
| 06278 | Ashford | Northeastern CT Planning Region | 4,345 |
| 06088 | East Windsor | Capitol Planning Region | 4,324 |
| 06420 | Salem | Southeastern CT Planning Region | 4,323 |
| 06092 | West Simsbury | Capitol Planning Region | 4,239 |
| 06510 | New Haven | South Central CT Planning Region | 4,205 |
| 06277 | Thompson | Northeastern CT Planning Region | 4,023 |
| 06093 | West Suffield | Capitol Planning Region | 3,894 |
| 06412 | Chester | Lower CT River Valley Planning Region | 3,786 |
| 06375 | Quaker Hill | Southeastern CT Planning Region | 3,667 |
| 06231 | Amston | Capitol Planning Region | 3,645 |
| 06089 | Weatogue | Capitol Planning Region | 3,548 |
| 06784 | Sherman | Western CT Planning Region | 3,525 |
| 06751 | Bethlehem | Naugatuck Valley Planning Region | 3,398 |
| 06330 | Baltic | Southeastern CT Planning Region | 3,311 |
| 06426 | Essex | Lower CT River Valley Planning Region | 3,285 |
| 06063 | Barkhamsted | Northwest Hills Planning Region | 3,248 |
| 06853 | Norwalk | Western CT Planning Region | 3,229 |
| 06280 | Windham | Southeastern CT Planning Region | 3,179 |
| 06232 | Andover | Capitol Planning Region | 3,148 |
| 06469 | Moodus | Lower CT River Valley Planning Region | 3,125 |
| 06702 | Waterbury | Naugatuck Valley Planning Region | 3,117 |
| 06756 | Goshen | Northwest Hills Planning Region | 3,013 |
| 06438 | Haddam | Lower CT River Valley Planning Region | 3,012 |
| 06377 | Sterling | Northeastern CT Planning Region | 2,905 |
| 06103 | Hartford | Capitol Planning Region | 2,845 |
| 06384 | Voluntown | Northeastern CT Planning Region | 2,812 |
| 06018 | Canaan | Northwest Hills Planning Region | 2,630 |
| 06442 | Ivoryton | Lower CT River Valley Planning Region | 2,623 |
| 06455 | Middlefield | Lower CT River Valley Planning Region | 2,592 |
| 06069 | Sharon | Northwest Hills Planning Region | 2,562 |
| 06380 | Taftville | Southeastern CT Planning Region | 2,427 |
| 06334 | Bozrah | Southeastern CT Planning Region | 2,327 |
| 06060 | North Granby | Capitol Planning Region | 2,290 |
| 06247 | Hampton | Northeastern CT Planning Region | 2,286 |
| 06783 | Roxbury | Northwest Hills Planning Region | 2,184 |
| 06235 | Chaplin | Northeastern CT Planning Region | 2,116 |
| 06782 | Plymouth | Naugatuck Valley Planning Region | 2,098 |
| 06763 | Morris | Northwest Hills Planning Region | 2,078 |
| 06068 | Salisbury | Northwest Hills Planning Region | 2,034 |
| 06757 | Kent | Northwest Hills Planning Region | 1,987 |
| 06039 | Lakeville | Northwest Hills Planning Region | 1,955 |
| 06254 | North Franklin | Southeastern CT Planning Region | 1,925 |
| 06754 | Cornwall Bridge | Northwest Hills Planning Region | 1,849 |
| 06058 | Norfolk | Northwest Hills Planning Region | 1,819 |
| 06777 | New Preston Marble Dale | Northwest Hills Planning Region | 1,802 |
| 06256 | North Windham | Southeastern CT Planning Region | 1,796 |
| 06752 | Bridgewater | Western CT Planning Region | 1,670 |
| 06481 | Rockfall | Lower CT River Valley Planning Region | 1,644 |
| 06778 | Northfield | Northwest Hills Planning Region | 1,618 |
| 06081 | Tariffville | Capitol Planning Region | 1,607 |
| 06023 | East Berlin | Capitol Planning Region | 1,464 |
| 06021 | Colebrook | Northwest Hills Planning Region | 1,463 |
| 06031 | Falls Village | Northwest Hills Planning Region | 1,385 |
| 06027 | East Hartland | Northwest Hills Planning Region | 1,376 |
| 06750 | Bantam | Northwest Hills Planning Region | 1,324 |
| 06793 | Washington | Northwest Hills Planning Region | 1,270 |
| 06242 | Eastford | Northeastern CT Planning Region | 1,255 |
| 06080 | Suffield | Capitol Planning Region | 991 |
| 06755 | Gaylordsville | Western CT Planning Region | 975 |
| 06459 | Middletown | Lower CT River Valley Planning Region | 956 |
| 06794 | Washington Depot | Northwest Hills Planning Region | 953 |
| 06332 | Central Village | Northeastern CT Planning Region | 952 |
| 06785 | South Kent | Northwest Hills Planning Region | 943 |
| 06282 | Woodstock Valley | Northeastern CT Planning Region | 902 |
| 06409 | Centerbrook | Lower CT River Valley Planning Region | 858 |
| 06796 | West Cornwall | Northwest Hills Planning Region | 843 |
| 06090 | West Granby | Capitol Planning Region | 829 |
| 06262 | Quinebaug | Northeastern CT Planning Region | 787 |
| 06061 | Pine Meadow | Northwest Hills Planning Region | 762 |
| 06065 | Riverton | Northwest Hills Planning Region | 671 |
| 06024 | East Canaan | Northwest Hills Planning Region | 570 |
| 06467 | Milldale | Capitol Planning Region | 570 |
| 06414 | Cobalt | Lower CT River Valley Planning Region | 407 |
| 06353 | Montville | Southeastern CT Planning Region | 369 |
| 06059 | North Canton | Capitol Planning Region | 344 |
| 06263 | Rogers | Northeastern CT Planning Region | 320 |
| 06266 | South Windham | Southeastern CT Planning Region | 278 |
| 06444 | Marion | Capitol Planning Region | 261 |
| 06456 | Middle Haddam | Lower CT River Valley Planning Region | 253 |
| 06264 | Scotland | Northeastern CT Planning Region | 214 |
| 06387 | Wauregan | Northeastern CT Planning Region | 184 |
| 06091 | West Hartland | Northwest Hills Planning Region | 176 |
| 06373 | Oneco | Northeastern CT Planning Region | 137 |
| 06243 | East Killingly | Northeastern CT Planning Region | 107 |
| 06376 | South Lyme | Lower CT River Valley Planning Region | 87 |
| 06258 | Pomfret | Northeastern CT Planning Region | 79 |
| 06350 | Hanover | Southeastern CT Planning Region | 71 |
| 06338 | Mashantucket | Southeastern CT Planning Region | 62 |
| 06439 | Hadlyme | Lower CT River Valley Planning Region | 58 |
| 06753 | Cornwall | Northwest Hills Planning Region | 50 |
| 06336 | Gilman | Southeastern CT Planning Region | 46 |
| 06389 | Yantic | Southeastern CT Planning Region | 38 |
| 06022 | Collinsville | Capitol Planning Region | 29 |
| 06758 | Lakeside | Northwest Hills Planning Region | 22 |
| 06020 | Canton Center | Capitol Planning Region | 0 |
| 06072 | Somersville | Capitol Planning Region | 0 |
| 06079 | Taconic | Northwest Hills Planning Region | 0 |