| 06902 | Stamford | Western CT Planning Region | 73,392 |
| 06010 | Bristol | Naugatuck Valley Planning Region | 61,684 |
| 06810 | Danbury | Western CT Planning Region | 55,833 |
| 06516 | West Haven | South Central CT Planning Region | 55,351 |
| 06511 | New Haven | South Central CT Planning Region | 54,730 |
| 06606 | Bridgeport | Greater Bridgeport Planning Region | 49,308 |
| 06457 | Middletown | Lower CT River Valley Planning Region | 46,720 |
| 06492 | Wallingford | South Central CT Planning Region | 44,498 |
| 06484 | Shelton | Naugatuck Valley Planning Region | 41,889 |
| 06082 | Enfield | Capitol Planning Region | 41,090 |
| 06513 | New Haven | South Central CT Planning Region | 38,888 |
| 06460 | Milford | South Central CT Planning Region | 37,649 |
| 06611 | Trumbull | Greater Bridgeport Planning Region | 37,281 |
| 06360 | Norwich | Southeastern CT Planning Region | 37,216 |
| 06053 | New Britain | Capitol Planning Region | 36,774 |
| 06824 | Fairfield | Greater Bridgeport Planning Region | 36,716 |
| 06106 | Hartford | Capitol Planning Region | 36,322 |
| 06040 | Manchester | Capitol Planning Region | 35,813 |
| 06450 | Meriden | South Central CT Planning Region | 35,694 |
| 06614 | Stratford | Greater Bridgeport Planning Region | 35,654 |
| 06790 | Torrington | Northwest Hills Planning Region | 35,566 |
| 06489 | Southington | Capitol Planning Region | 32,706 |
| 06854 | Norwalk | Western CT Planning Region | 32,118 |
| 06770 | Naugatuck | Naugatuck Valley Planning Region | 31,823 |
| 06604 | Bridgeport | Greater Bridgeport Planning Region | 31,771 |
| 06704 | Waterbury | Naugatuck Valley Planning Region | 31,713 |
| 06811 | Danbury | Western CT Planning Region | 31,228 |
| 06111 | Newington | Capitol Planning Region | 30,896 |
| 06066 | Vernon Rockville | Capitol Planning Region | 30,577 |
| 06033 | Glastonbury | Capitol Planning Region | 29,921 |
| 06340 | Groton | Southeastern CT Planning Region | 29,863 |
| 06095 | Windsor | Capitol Planning Region | 29,670 |
| 06708 | Waterbury | Naugatuck Valley Planning Region | 29,594 |
| 06051 | New Britain | Capitol Planning Region | 29,548 |
| 06410 | Cheshire | Naugatuck Valley Planning Region | 28,904 |
| 06512 | East Haven | South Central CT Planning Region | 28,830 |
| 06405 | Branford | South Central CT Planning Region | 28,217 |
| 06851 | Norwalk | Western CT Planning Region | 27,865 |
| 06320 | New London | Southeastern CT Planning Region | 27,703 |
| 06880 | Westport | Western CT Planning Region | 27,583 |
| 06118 | East Hartford | Capitol Planning Region | 27,419 |
| 06109 | Wethersfield | Capitol Planning Region | 27,250 |
| 06776 | New Milford | Western CT Planning Region | 27,010 |
| 06074 | South Windsor | Capitol Planning Region | 26,907 |
| 06514 | Hamden | South Central CT Planning Region | 26,803 |
| 06114 | Hartford | Capitol Planning Region | 26,458 |
| 06605 | Bridgeport | Greater Bridgeport Planning Region | 25,929 |
| 06705 | Waterbury | Naugatuck Valley Planning Region | 25,266 |
| 06877 | Ridgefield | Western CT Planning Region | 25,110 |
| 06830 | Greenwich | Western CT Planning Region | 24,880 |
| 06451 | Meriden | South Central CT Planning Region | 24,851 |
| 06473 | North Haven | South Central CT Planning Region | 24,743 |
| 06042 | Manchester | Capitol Planning Region | 23,822 |
| 06108 | East Hartford | Capitol Planning Region | 23,499 |
| 06112 | Hartford | Capitol Planning Region | 22,333 |
| 06437 | Guilford | South Central CT Planning Region | 22,067 |
| 06610 | Bridgeport | Greater Bridgeport Planning Region | 22,020 |
| 06825 | Fairfield | Greater Bridgeport Planning Region | 21,982 |
| 06820 | Darien | Western CT Planning Region | 21,936 |
| 06002 | Bloomfield | Capitol Planning Region | 21,865 |
| 06067 | Rocky Hill | Capitol Planning Region | 20,872 |
| 06840 | New Canaan | Western CT Planning Region | 20,870 |
| 06801 | Bethel | Western CT Planning Region | 20,796 |
| 06905 | Stamford | Western CT Planning Region | 20,725 |
| 06518 | Hamden | South Central CT Planning Region | 20,126 |
| 06488 | Southbury | Naugatuck Valley Planning Region | 20,071 |
| 06107 | West Hartford | Capitol Planning Region | 19,891 |
| 06850 | Norwalk | Western CT Planning Region | 19,692 |
| 06226 | Willimantic | Southeastern CT Planning Region | 19,344 |
| 06401 | Ansonia | Naugatuck Valley Planning Region | 19,315 |
| 06105 | Hartford | Capitol Planning Region | 19,174 |
| 06037 | Berlin | Capitol Planning Region | 19,173 |
| 06001 | Avon | Capitol Planning Region | 19,153 |
| 06032 | Farmington | Capitol Planning Region | 19,135 |
| 06515 | New Haven | South Central CT Planning Region | 19,006 |
| 06468 | Monroe | Greater Bridgeport Planning Region | 18,949 |
| 06897 | Wilton | Western CT Planning Region | 18,777 |
| 06804 | Brookfield | Western CT Planning Region | 17,908 |
| 06443 | Madison | South Central CT Planning Region | 17,657 |
| 06062 | Plainville | Capitol Planning Region | 17,555 |
| 06615 | Stratford | Greater Bridgeport Planning Region | 17,136 |
| 06483 | Seymour | Naugatuck Valley Planning Region | 16,889 |
| 06029 | Ellington | Capitol Planning Region | 16,238 |
| 06117 | West Hartford | Capitol Planning Region | 16,116 |
| 06716 | Wolcott | Naugatuck Valley Planning Region | 16,113 |
| 06415 | Colchester | Southeastern CT Planning Region | 16,038 |
| 06385 | Waterford | Southeastern CT Planning Region | 15,966 |
| 06351 | Jewett City | Southeastern CT Planning Region | 15,760 |
| 06519 | New Haven | South Central CT Planning Region | 15,605 |
| 06470 | Newtown | Western CT Planning Region | 15,593 |
| 06706 | Waterbury | Naugatuck Valley Planning Region | 15,551 |
| 06070 | Simsbury | Capitol Planning Region | 15,254 |
| 06831 | Greenwich | Western CT Planning Region | 15,210 |
| 06461 | Milford | South Central CT Planning Region | 15,035 |
| 06084 | Tolland | Capitol Planning Region | 14,823 |
| 06119 | West Hartford | Capitol Planning Region | 14,793 |
| 06416 | Cromwell | Lower CT River Valley Planning Region | 14,334 |
| 06477 | Orange | South Central CT Planning Region | 14,315 |
| 06517 | Hamden | South Central CT Planning Region | 14,221 |
| 06903 | Stamford | Western CT Planning Region | 14,010 |
| 06120 | Hartford | Capitol Planning Region | 13,926 |
| 06795 | Watertown | Naugatuck Valley Planning Region | 13,889 |
| 06812 | New Fairfield | Western CT Planning Region | 13,584 |
| 06413 | Clinton | Lower CT River Valley Planning Region | 13,377 |
| 06478 | Oxford | Naugatuck Valley Planning Region | 12,991 |
| 06424 | East Hampton | Lower CT River Valley Planning Region | 12,751 |
| 06110 | West Hartford | Capitol Planning Region | 12,641 |
| 06096 | Windsor Locks | Capitol Planning Region | 12,579 |
| 06238 | Coventry | Capitol Planning Region | 12,326 |
| 06418 | Derby | Naugatuck Valley Planning Region | 12,205 |
| 06355 | Mystic | Southeastern CT Planning Region | 12,173 |
| 06608 | Bridgeport | Greater Bridgeport Planning Region | 12,146 |
| 06482 | Sandy Hook | Western CT Planning Region | 12,000 |
| 06076 | Stafford Springs | Capitol Planning Region | 11,953 |
| 06268 | Storrs Mansfield | Capitol Planning Region | 11,772 |
| 06357 | Niantic | Southeastern CT Planning Region | 11,332 |
| 06239 | Danielson | Northeastern CT Planning Region | 11,185 |
| 06901 | Stamford | Western CT Planning Region | 11,037 |
| 06071 | Somers | Capitol Planning Region | 10,723 |
| 06475 | Old Saybrook | Lower CT River Valley Planning Region | 10,575 |
| 06078 | Suffield | Capitol Planning Region | 10,562 |
| 06883 | Weston | Western CT Planning Region | 10,396 |
| 06479 | Plantsville | Capitol Planning Region | 10,286 |
| 06098 | Winsted | Northwest Hills Planning Region | 10,263 |
| 06382 | Uncasville | Southeastern CT Planning Region | 10,143 |
| 06710 | Waterbury | Naugatuck Valley Planning Region | 9,942 |
| 06798 | Woodbury | Naugatuck Valley Planning Region | 9,833 |
| 06371 | Old Lyme | Lower CT River Valley Planning Region | 9,828 |
| 06786 | Terryville | Naugatuck Valley Planning Region | 9,768 |
| 06019 | Canton | Capitol Planning Region | 9,742 |
| 06013 | Burlington | Northwest Hills Planning Region | 9,680 |
| 06712 | Prospect | Naugatuck Valley Planning Region | 9,458 |
| 06480 | Portland | Lower CT River Valley Planning Region | 9,434 |
| 06855 | Norwalk | Western CT Planning Region | 9,351 |
| 06260 | Putnam | Northeastern CT Planning Region | 9,266 |
| 06906 | Stamford | Western CT Planning Region | 9,199 |
| 06339 | Ledyard | Southeastern CT Planning Region | 9,113 |
| 06525 | Woodbridge | South Central CT Planning Region | 9,073 |
| 06379 | Pawcatuck | Southeastern CT Planning Region | 9,017 |
| 06896 | Redding | Western CT Planning Region | 8,779 |
| 06907 | Stamford | Western CT Planning Region | 8,705 |
| 06234 | Brooklyn | Northeastern CT Planning Region | 8,517 |
| 06779 | Oakville | Naugatuck Valley Planning Region | 8,364 |
| 06878 | Riverside | Western CT Planning Region | 8,328 |
| 06607 | Bridgeport | Greater Bridgeport Planning Region | 7,979 |
| 06269 | Storrs Mansfield | Capitol Planning Region | 7,970 |
| 06052 | New Britain | Capitol Planning Region | 7,916 |
| 06870 | Old Greenwich | Western CT Planning Region | 7,864 |
| 06374 | Plainfield | Northeastern CT Planning Region | 7,838 |
| 06035 | Granby | Capitol Planning Region | 7,817 |
| 06762 | Middlebury | Naugatuck Valley Planning Region | 7,807 |
| 06612 | Easton | Greater Bridgeport Planning Region | 7,670 |
| 06807 | Cos Cob | Western CT Planning Region | 7,650 |
| 06085 | Unionville | Capitol Planning Region | 7,608 |
| 06787 | Thomaston | Naugatuck Valley Planning Region | 7,509 |
| 06333 | East Lyme | Southeastern CT Planning Region | 7,389 |
| 06370 | Oakdale | Southeastern CT Planning Region | 7,327 |
| 06281 | Woodstock | Northeastern CT Planning Region | 7,237 |
| 06422 | Durham | Lower CT River Valley Planning Region | 7,208 |
| 06471 | North Branford | South Central CT Planning Region | 7,140 |
| 06249 | Lebanon | Southeastern CT Planning Region | 7,116 |
| 06016 | Broad Brook | Capitol Planning Region | 6,959 |
| 06498 | Westbrook | Lower CT River Valley Planning Region | 6,856 |
| 06241 | Dayville | Northeastern CT Planning Region | 6,585 |
| 06057 | New Hartford | Northwest Hills Planning Region | 6,363 |
| 06472 | Northford | South Central CT Planning Region | 6,363 |
| 06335 | Gales Ferry | Southeastern CT Planning Region | 6,307 |
| 06419 | Killingworth | Lower CT River Valley Planning Region | 6,240 |
| 06403 | Beacon Falls | Naugatuck Valley Planning Region | 6,147 |
| 06447 | Marlborough | Capitol Planning Region | 6,130 |
| 06354 | Moosup | Northeastern CT Planning Region | 6,031 |
| 06791 | Harwinton | Northwest Hills Planning Region | 5,602 |
| 06279 | Willington | Capitol Planning Region | 5,575 |
| 06378 | Stonington | Southeastern CT Planning Region | 5,555 |
| 06248 | Hebron | Capitol Planning Region | 5,509 |
| 06759 | Litchfield | Northwest Hills Planning Region | 5,442 |
| 06250 | Mansfield Center | Capitol Planning Region | 5,437 |
| 06073 | South Glastonbury | Capitol Planning Region | 5,372 |
| 06441 | Higganum | Lower CT River Valley Planning Region | 5,348 |
| 06237 | Columbia | Capitol Planning Region | 5,300 |
| 06524 | Bethany | South Central CT Planning Region | 5,288 |
| 06026 | East Granby | Capitol Planning Region | 5,196 |
| 06423 | East Haddam | Lower CT River Valley Planning Region | 5,182 |
| 06359 | North Stonington | Southeastern CT Planning Region | 5,160 |
| 06331 | Canterbury | Northeastern CT Planning Region | 5,145 |
| 06043 | Bolton | Capitol Planning Region | 4,853 |
| 06365 | Preston | Southeastern CT Planning Region | 4,807 |
| 06092 | West Simsbury | Capitol Planning Region | 4,665 |
| 06890 | Southport | Greater Bridgeport Planning Region | 4,653 |
| 06510 | New Haven | South Central CT Planning Region | 4,584 |
| 06259 | Pomfret Center | Northeastern CT Planning Region | 4,568 |
| 06255 | North Grosvenordale | Northeastern CT Planning Region | 4,494 |
| 06417 | Deep River | Lower CT River Valley Planning Region | 4,458 |
| 06420 | Salem | Southeastern CT Planning Region | 4,368 |
| 06278 | Ashford | Northeastern CT Planning Region | 4,337 |
| 06088 | East Windsor | Capitol Planning Region | 4,254 |
| 06277 | Thompson | Northeastern CT Planning Region | 4,004 |
| 06412 | Chester | Lower CT River Valley Planning Region | 3,825 |
| 06089 | Weatogue | Capitol Planning Region | 3,728 |
| 06375 | Quaker Hill | Southeastern CT Planning Region | 3,670 |
| 06231 | Amston | Capitol Planning Region | 3,648 |
| 06784 | Sherman | Western CT Planning Region | 3,583 |
| 06093 | West Suffield | Capitol Planning Region | 3,524 |
| 06751 | Bethlehem | Naugatuck Valley Planning Region | 3,423 |
| 06063 | Barkhamsted | Northwest Hills Planning Region | 3,328 |
| 06330 | Baltic | Southeastern CT Planning Region | 3,327 |
| 06469 | Moodus | Lower CT River Valley Planning Region | 3,311 |
| 06426 | Essex | Lower CT River Valley Planning Region | 3,267 |
| 06853 | Norwalk | Western CT Planning Region | 3,171 |
| 06232 | Andover | Capitol Planning Region | 3,152 |
| 06280 | Windham | Southeastern CT Planning Region | 3,110 |
| 06756 | Goshen | Northwest Hills Planning Region | 3,037 |
| 06103 | Hartford | Capitol Planning Region | 2,949 |
| 06702 | Waterbury | Naugatuck Valley Planning Region | 2,946 |
| 06377 | Sterling | Northeastern CT Planning Region | 2,927 |
| 06438 | Haddam | Lower CT River Valley Planning Region | 2,887 |
| 06442 | Ivoryton | Lower CT River Valley Planning Region | 2,826 |
| 06380 | Taftville | Southeastern CT Planning Region | 2,757 |
| 06384 | Voluntown | Northeastern CT Planning Region | 2,663 |
| 06069 | Sharon | Northwest Hills Planning Region | 2,601 |
| 06018 | Canaan | Northwest Hills Planning Region | 2,587 |
| 06455 | Middlefield | Lower CT River Valley Planning Region | 2,480 |
| 06247 | Hampton | Northeastern CT Planning Region | 2,412 |
| 06060 | North Granby | Capitol Planning Region | 2,273 |
| 06334 | Bozrah | Southeastern CT Planning Region | 2,249 |
| 06783 | Roxbury | Northwest Hills Planning Region | 2,185 |
| 06763 | Morris | Northwest Hills Planning Region | 2,151 |
| 06757 | Kent | Northwest Hills Planning Region | 2,125 |
| 06068 | Salisbury | Northwest Hills Planning Region | 2,034 |
| 06235 | Chaplin | Northeastern CT Planning Region | 2,018 |
| 06254 | North Franklin | Southeastern CT Planning Region | 2,004 |
| 06782 | Plymouth | Naugatuck Valley Planning Region | 1,978 |
| 06039 | Lakeville | Northwest Hills Planning Region | 1,918 |
| 06058 | Norfolk | Northwest Hills Planning Region | 1,793 |
| 06777 | New Preston Marble Dale | Northwest Hills Planning Region | 1,771 |
| 06481 | Rockfall | Lower CT River Valley Planning Region | 1,763 |
| 06256 | North Windham | Southeastern CT Planning Region | 1,704 |
| 06752 | Bridgewater | Western CT Planning Region | 1,658 |
| 06754 | Cornwall Bridge | Northwest Hills Planning Region | 1,656 |
| 06080 | Suffield | Capitol Planning Region | 1,616 |
| 06778 | Northfield | Northwest Hills Planning Region | 1,574 |
| 06031 | Falls Village | Northwest Hills Planning Region | 1,520 |
| 06021 | Colebrook | Northwest Hills Planning Region | 1,494 |
| 06081 | Tariffville | Capitol Planning Region | 1,419 |
| 06750 | Bantam | Northwest Hills Planning Region | 1,387 |
| 06242 | Eastford | Northeastern CT Planning Region | 1,290 |
| 06794 | Washington Depot | Northwest Hills Planning Region | 1,282 |
| 06459 | Middletown | Lower CT River Valley Planning Region | 1,238 |
| 06755 | Gaylordsville | Western CT Planning Region | 1,238 |
| 06023 | East Berlin | Capitol Planning Region | 1,196 |
| 06027 | East Hartland | Northwest Hills Planning Region | 1,193 |
| 06090 | West Granby | Capitol Planning Region | 1,136 |
| 06282 | Woodstock Valley | Northeastern CT Planning Region | 1,134 |
| 06793 | Washington | Northwest Hills Planning Region | 1,031 |
| 06332 | Central Village | Northeastern CT Planning Region | 1,015 |
| 06796 | West Cornwall | Northwest Hills Planning Region | 821 |
| 06785 | South Kent | Northwest Hills Planning Region | 818 |
| 06262 | Quinebaug | Northeastern CT Planning Region | 813 |
| 06065 | Riverton | Northwest Hills Planning Region | 712 |
| 06409 | Centerbrook | Lower CT River Valley Planning Region | 701 |
| 06024 | East Canaan | Northwest Hills Planning Region | 634 |
| 06263 | Rogers | Northeastern CT Planning Region | 498 |
| 06353 | Montville | Southeastern CT Planning Region | 439 |
| 06467 | Milldale | Capitol Planning Region | 405 |
| 06061 | Pine Meadow | Northwest Hills Planning Region | 312 |
| 06059 | North Canton | Capitol Planning Region | 302 |
| 06414 | Cobalt | Lower CT River Valley Planning Region | 302 |
| 06456 | Middle Haddam | Lower CT River Valley Planning Region | 281 |
| 06091 | West Hartland | Northwest Hills Planning Region | 253 |
| 06266 | South Windham | Southeastern CT Planning Region | 222 |
| 06373 | Oneco | Northeastern CT Planning Region | 219 |
| 06444 | Marion | Capitol Planning Region | 180 |
| 06387 | Wauregan | Northeastern CT Planning Region | 178 |
| 06264 | Scotland | Northeastern CT Planning Region | 139 |
| 06350 | Hanover | Southeastern CT Planning Region | 121 |
| 06258 | Pomfret | Northeastern CT Planning Region | 114 |
| 06022 | Collinsville | Capitol Planning Region | 100 |
| 06753 | Cornwall | Northwest Hills Planning Region | 91 |
| 06376 | South Lyme | Lower CT River Valley Planning Region | 89 |
| 06243 | East Killingly | Northeastern CT Planning Region | 83 |
| 06439 | Hadlyme | Lower CT River Valley Planning Region | 65 |
| 06336 | Gilman | Southeastern CT Planning Region | 44 |
| 06338 | Mashantucket | Southeastern CT Planning Region | 27 |
| 06079 | Taconic | Northwest Hills Planning Region | 19 |
| 06758 | Lakeside | Northwest Hills Planning Region | 13 |
| 06020 | Canton Center | Capitol Planning Region | 0 |
| 06072 | Somersville | Capitol Planning Region | 0 |
| 06389 | Yantic | Southeastern CT Planning Region | 0 |