| Bridgeport, Greater Bridgeport Planning Region | 149,153 |
| Stamford, Western Connecticut Planning Region | 137,144 |
| New Haven, South Central Connecticut Planning Region | 134,349 |
| Hartford, Capitol Planning Region | 121,127 |
| Waterbury, Naugatuck Valley Planning Region | 114,869 |
| Norwalk, Western Connecticut Planning Region | 92,187 |
| Danbury, Western Connecticut Planning Region | 87,263 |
| New Britain, Capitol Planning Region | 74,223 |
| Greenwich, Western Connecticut Planning Region | 63,856 |
| West Hartford, Capitol Planning Region | 63,620 |
| Fairfield, Greater Bridgeport Planning Region | 63,416 |
| Bristol, Naugatuck Valley Planning Region | 61,462 |
| Hamden, South Central Connecticut Planning Region | 61,045 |
| Meriden, South Central Connecticut Planning Region | 60,545 |
| Manchester, Capitol Planning Region | 59,635 |
| West Haven, South Central Connecticut Planning Region | 55,351 |
| Stratford, Greater Bridgeport Planning Region | 52,790 |
| Milford, South Central Connecticut Planning Region | 52,684 |
| East Hartford, Capitol Planning Region | 50,918 |
| Middletown, Lower Connecticut River Valley Planning Region | 47,958 |
| Wallingford, South Central Connecticut Planning Region | 44,362 |
| Southington, Capitol Planning Region | 43,803 |
| Shelton, Naugatuck Valley Planning Region | 41,889 |
| Enfield, Capitol Planning Region | 41,090 |
| Norwich, Southeastern Connecticut Planning Region | 39,973 |
| Groton, Southeastern Connecticut Planning Region | 38,130 |
| Trumbull, Greater Bridgeport Planning Region | 37,281 |
| Torrington, Northwest Hills Planning Region | 35,547 |
| Glastonbury, Capitol Planning Region | 35,293 |
| Naugatuck, Naugatuck Valley Planning Region | 31,800 |
| Newington, Capitol Planning Region | 30,896 |
| Vernon, Capitol Planning Region | 30,577 |
| Windsor, Capitol Planning Region | 29,468 |
| Cheshire, Naugatuck Valley Planning Region | 29,040 |
| New Milford, Western Connecticut Planning Region | 28,334 |
| Branford, South Central Connecticut Planning Region | 28,217 |
| East Haven, South Central Connecticut Planning Region | 27,806 |
| New London, Southeastern Connecticut Planning Region | 27,625 |
| Newtown, Western Connecticut Planning Region | 27,593 |
| Westport, Western Connecticut Planning Region | 27,528 |
| Wethersfield, Capitol Planning Region | 27,250 |
| Farmington, Capitol Planning Region | 27,134 |
| South Windsor, Capitol Planning Region | 26,907 |
| Mansfield, Capitol Planning Region | 25,358 |
| Ridgefield, Western Connecticut Planning Region | 25,109 |
| Simsbury, Capitol Planning Region | 25,066 |
| North Haven, South Central Connecticut Planning Region | 24,336 |
| Windham, Southeastern Connecticut Planning Region | 23,961 |
| Watertown, Naugatuck Valley Planning Region | 22,253 |
| Guilford, South Central Connecticut Planning Region | 22,108 |
| Darien, Western Connecticut Planning Region | 21,936 |
| Bloomfield, Capitol Planning Region | 21,754 |
| Rocky Hill, Capitol Planning Region | 20,880 |
| New Canaan, Western Connecticut Planning Region | 20,870 |
| Bethel, Western Connecticut Planning Region | 20,796 |
| Berlin, Capitol Planning Region | 20,361 |
| Southbury, Naugatuck Valley Planning Region | 20,071 |
| Waterford, Southeastern Connecticut Planning Region | 19,673 |
| Ansonia, Naugatuck Valley Planning Region | 19,033 |
| Monroe, Greater Bridgeport Planning Region | 18,949 |
| Avon, Capitol Planning Region | 18,946 |
| Wilton, Western Connecticut Planning Region | 18,777 |
| East Lyme, Southeastern Connecticut Planning Region | 18,721 |
| Stonington, Southeastern Connecticut Planning Region | 18,478 |
| Montville, Southeastern Connecticut Planning Region | 17,950 |
| Killingly, Northeastern Connecticut Planning Region | 17,867 |
| Brookfield, Western Connecticut Planning Region | 17,706 |
| Madison, South Central Connecticut Planning Region | 17,616 |
| Plainville, Capitol Planning Region | 17,551 |
| Seymour, Naugatuck Valley Planning Region | 16,889 |
| Ellington, Capitol Planning Region | 16,455 |
| Wolcott, Naugatuck Valley Planning Region | 16,279 |
| Suffield, Capitol Planning Region | 15,702 |
| Colchester, Southeastern Connecticut Planning Region | 15,648 |
| Ledyard, Southeastern Connecticut Planning Region | 15,433 |
| Plainfield, Northeastern Connecticut Planning Region | 15,141 |
| Tolland, Capitol Planning Region | 14,606 |
| Cromwell, Lower Connecticut River Valley Planning Region | 14,334 |
| Orange, South Central Connecticut Planning Region | 14,315 |
| New Fairfield, Western Connecticut Planning Region | 13,584 |
| North Branford, South Central Connecticut Planning Region | 13,503 |
| Clinton, Lower Connecticut River Valley Planning Region | 13,377 |
| Oxford, Naugatuck Valley Planning Region | 12,991 |
| East Hampton, Lower Connecticut River Valley Planning Region | 12,925 |
| Windsor Locks, Capitol Planning Region | 12,579 |
| Derby, Naugatuck Valley Planning Region | 12,487 |
| Coventry, Capitol Planning Region | 12,326 |
| Plymouth, Naugatuck Valley Planning Region | 11,746 |
| Griswold, Southeastern Connecticut Planning Region | 11,530 |
| Stafford, Capitol Planning Region | 11,511 |
| East Windsor, Capitol Planning Region | 11,213 |
| Granby, Capitol Planning Region | 11,184 |
| Old Saybrook, Lower Connecticut River Valley Planning Region | 10,575 |
| Weston, Western Connecticut Planning Region | 10,396 |
| Somers, Capitol Planning Region | 10,308 |
| Winchester, Northwest Hills Planning Region | 10,284 |
| Canton, Capitol Planning Region | 10,144 |
| Woodbury, Naugatuck Valley Planning Region | 9,833 |
| Burlington, Northwest Hills Planning Region | 9,680 |
| Prospect, Naugatuck Valley Planning Region | 9,458 |
| Portland, Lower Connecticut River Valley Planning Region | 9,434 |
| Thompson, Northeastern Connecticut Planning Region | 9,337 |
| Putnam, Northeastern Connecticut Planning Region | 9,292 |
| Hebron, Capitol Planning Region | 9,157 |
| Woodbridge, South Central Connecticut Planning Region | 9,073 |
| East Haddam, Lower Connecticut River Valley Planning Region | 8,969 |
| Redding, Western Connecticut Planning Region | 8,780 |
| Haddam, Lower Connecticut River Valley Planning Region | 8,644 |
| Brooklyn, Northeastern Connecticut Planning Region | 8,517 |
| Woodstock, Northeastern Connecticut Planning Region | 8,319 |
| Litchfield, Northwest Hills Planning Region | 8,260 |
| Middlebury, Naugatuck Valley Planning Region | 7,807 |
| Old Lyme, Lower Connecticut River Valley Planning Region | 7,679 |
| Easton, Greater Bridgeport Planning Region | 7,670 |
| Thomaston, Naugatuck Valley Planning Region | 7,492 |
| Durham, Lower Connecticut River Valley Planning Region | 7,208 |
| Lebanon, Southeastern Connecticut Planning Region | 7,116 |
| Westbrook, Lower Connecticut River Valley Planning Region | 6,856 |
| Essex, Lower Connecticut River Valley Planning Region | 6,794 |
| New Hartford, Northwest Hills Planning Region | 6,675 |
| Killingworth, Lower Connecticut River Valley Planning Region | 6,240 |
| Beacon Falls, Naugatuck Valley Planning Region | 6,147 |
| Marlborough, Capitol Planning Region | 6,130 |
| Willington, Capitol Planning Region | 5,575 |
| Harwinton, Northwest Hills Planning Region | 5,575 |
| Columbia, Capitol Planning Region | 5,300 |
| Bethany, South Central Connecticut Planning Region | 5,288 |
| East Granby, Capitol Planning Region | 5,238 |
| North Stonington, Southeastern Connecticut Planning Region | 5,160 |
| Canterbury, Northeastern Connecticut Planning Region | 5,124 |
| Bolton, Capitol Planning Region | 4,853 |
| Preston, Southeastern Connecticut Planning Region | 4,821 |
| Deep River, Lower Connecticut River Valley Planning Region | 4,458 |
| Pomfret, Northeastern Connecticut Planning Region | 4,317 |
| Salem, Southeastern Connecticut Planning Region | 4,282 |
| Middlefield, Lower Connecticut River Valley Planning Region | 4,243 |
| Ashford, Northeastern Connecticut Planning Region | 4,226 |
| Salisbury, Northwest Hills Planning Region | 4,224 |
| Lisbon, Southeastern Connecticut Planning Region | 4,211 |
| Chester, Lower Connecticut River Valley Planning Region | 3,825 |
| Barkhamsted, Northwest Hills Planning Region | 3,678 |
| Washington, Northwest Hills Planning Region | 3,676 |
| Sterling, Northeastern Connecticut Planning Region | 3,629 |
| Sherman, Western Connecticut Planning Region | 3,554 |
| Bethlehem, Naugatuck Valley Planning Region | 3,423 |
| North Canaan, Northwest Hills Planning Region | 3,221 |
| Goshen, Northwest Hills Planning Region | 3,196 |
| Andover, Capitol Planning Region | 3,152 |
| Kent, Northwest Hills Planning Region | 3,056 |
| Sprague, Southeastern Connecticut Planning Region | 2,962 |
| Sharon, Northwest Hills Planning Region | 2,723 |
| Voluntown, Northeastern Connecticut Planning Region | 2,604 |
| Lyme, Lower Connecticut River Valley Planning Region | 2,303 |
| Bozrah, Southeastern Connecticut Planning Region | 2,293 |
| Roxbury, Northwest Hills Planning Region | 2,185 |
| Morris, Northwest Hills Planning Region | 2,164 |
| Chaplin, Northeastern Connecticut Planning Region | 2,070 |
| Franklin, Southeastern Connecticut Planning Region | 2,004 |
| Hartland, Northwest Hills Planning Region | 1,840 |
| Norfolk, Northwest Hills Planning Region | 1,723 |
| Eastford, Northeastern Connecticut Planning Region | 1,679 |
| Bridgewater, Western Connecticut Planning Region | 1,658 |
| Hampton, Northeastern Connecticut Planning Region | 1,647 |
| Scotland, Northeastern Connecticut Planning Region | 1,599 |
| Colebrook, Northwest Hills Planning Region | 1,494 |
| Cornwall, Northwest Hills Planning Region | 1,425 |
| Warren, Northwest Hills Planning Region | 1,415 |
| Canaan, Northwest Hills Planning Region | 1,175 |
| Union, Northeastern Connecticut Planning Region | 944 |