Population in Connecticut
Connecticut Places of 5,000 or More Population —With ZIP and Area Codes
Source: U.S. Bureau of the Census, Department of Commerce.
The following is a list of places of 5,000 or more inhabitants recognized by the Bureau of the Census, U.S. Deptartment of Commerce, based on July 1, 2004 Census Bureau estimates. Also given are 1990 census populations. For instructions and further information, see places in the United States by population.
For some places listed, no area code and/or ZIP code is available. — = Not available.
| ZIP | Place Area Code | 2004 | 1990 |
| 06401 | Ansonia (203) | 18,844 | 18,403 |
| 06001 | Avon (860) | 16,709 | 13,937 |
| 06403 | Beacon Falls (203) | 5,524 | 5,083 |
| 06037 | Berlin (860) | 19,322 | 16,787 |
| 06524 | Bethany (203) | 5,331 | — |
| 06801 | Bethel (203) | 18,566 | 17,541 |
| 06002 | Bloomfield (860) | 19,803 | 19,483 |
| 06043 | Bolton (860) | 5,199 | — |
| 06405 | Branford (203) | 29,136 | 27,603 |
| 06405 | Branford Center (c) (203) | 5,735 | 5,688 |
| *06602 | Bridgeport (203) | 139,910 | 141,686 |
| *06010 | Bristol (860) | 61,005 | 60,640 |
| 06804 | Brookfield (203) | 16,037 | 14,113 |
| 06234 | Brooklyn (860) | 7,487 | 6,681 |
| *06013 | Burlington (860) | 8,808 | 7,026 |
| 06019 | Canton (860) | 9,413 | 8,268 |
| 06331 | Canterbury (860) | 5,020 | |
| 06040 | Central Manchester (c) (860 ) | 30,595 | 30,934 |
| *06410 | Cheshire (203) | 29,187 | 25,684 |
| 06410 | Cheshire Village (c) (203) | 5,789 | 5,759 |
| 06413 | Clinton (860) | 13,645 | 12,767 |
| *06415 | Colchester (860) | 15,158 | 10,980 |
| 06237 | Columbia (860) | 5,228 | 4,510 |
| 06340 | Conning Towers-Nautilus Pk. (c) (860) | 10,241 | 10,013 |
| 06238 | Coventry (860) | 12,108 | 10,063 |
| 06416 | Cromwell (860) | 13,471 | 12,286 |
| *06810 | Danbury (203) | 78,263 | 65,585 |
| 06820 | Darien (203) | 19,921 | 18,196 |
| 06418 | Derby (203) | 12,608 | 12,199 |
| 06422 | Durham (860) | 7,134 | 5,732 |
| 06423 | East Haddam (860) | 8,711 | 6,676 |
| *06424 | East Hampton (860) | 11,660 | 10,428 |
| *06108 | East Hartford (860) | 49,596 | 50,452 |
| *06512 | East Haven (203) | 28,710 | 26,144 |
| 06026 | East Granby (860) | 5,028 | 4,302 |
| 06333 | East Lyme (860) | 18,537 | 15,340 |
| 06612 | Easton (203) | 7,482 | 6,303 |
| *06088 | East Windsor (860) | 10,185 | 10,081 |
| 06029 | Ellington (860) | 13,952 | 11,197 |
| *06082 | Enfield (860) | 45,539 | 45,532 |
| 06426 | Essex (860) | 6,800 | 5,904 |
| *06825 | Fairfield (203) | 58,407 | 53,418 |
| *06032 | Farmington (860) | 24,507 | 20,608 |
| 06033 | Glastonbury (860) | 32,789 | 27,901 |
| 06033 | Glastonbury Center (c) (860) | 7,157 | 7,082 |
| *06035 | Granby (860) | 10,869 | 9,369 |
| *06830 | Greenwich (203) | 61,972 | 58,441 |
| 06351 | Griswold (860) | 11,087 | 10,384 |
| *06340 | Groton Naval Base (860) | 9,715 | 9,837 |
| 06340 | Groton (860) | 40,002 | 45,144 |
| 06437 | Guilford (203) | 22,082 | 19,848 |
| 06438 | Haddam (860) | 7,459 | 6,769 |
| *06514 | Hamden (203) | 58,626 | 52,434 |
| *06101 | Hartford (860) | 124,848 | 139,739 |
| 06791 | Harwinton (860) | 5,495 | 5,228 |
| 06248 | Hebron (860) | 9,047 | 7,079 |
| 06037 | Kensington (c) (860) | 8,541 | 8,306 |
| *06239 | Killingly (860) | 16,940 | 15,889 |
| 06419 | Killingworth (860) | 6,373 | 4,814 |
| 06249 | Lebanon (860) | 7,145 | 6,041 |
| 06339 | Ledyard (860) | 15,003 | 14,913 |
| *06759 | Litchfield (860) | 8,531 | 8,365 |
| 06443 | Madison (203) | 18,698 | 15,485 |
| *06040 | Manchester (860) | 55,390 | 51,618 |
| *06250 | Mansfield (860) | 23,324 | 21,103 |
| 06447 | Marlborough (860) | 6,094 | 5,535 |
| *06450 | Meriden (203) | 59,136 | 59,479 |
| *06762 | Middlebury (203) | 6,745 | 6,145 |
| 06457 | Middletown (860) | 47,157 | 42,762 |
| *06460 | Milford (203) | 52,726 | 48,168 |
| 06468 | Monroe (203) | 19,614 | 16,896 |
| 06353 | Montville (860) | 19,718 | 16,673 |
| 06770 | Naugatuck (203) | 31,805 | 30,625 |
| *06050 | New Britain (860) | 71,699 | 75,491 |
| *06840 | New Canaan (203) | 19,839 | 17,864 |
| 06812 | New Fairfield (203) | 14,179 | 12,911 |
| 06057 | New Hartford (860) | 6,548 | 5,769 |
| *06511 | New Haven (203) | 124,829 | 130,474 |
| *06101 | Newington (860) | 29,695 | 29,208 |
| 06320 | New London (860) | 26,319 | 28,540 |
| 06776 | New Milford (860) | 28,211 | 23,629 |
| 06470 | Newtown (203) | 26,299 | 20,779 |
| 06471 | North Branford (203) | 14,228 | 12,996 |
| 06473 | North Haven (203) | 23,628 | 22,247 |
| 06359 | North Stonington (860) | 5,165 | 4,907 |
| *06856 | Norwalk (203) | 84,401 | 78,331 |
| 06360 | Norwich (860) | 36,645 | 37,391 |
| 06779 | Oakville (c) (860) | 8,618 | 8,741 |
| 06371 | Old Lyme (860) | 7,483 | 6,535 |
| 06475 | Old Saybrook (860) | 10,535 | 9,552 |
| 06477 | Orange (203) | 13,572 | 12,830 |
| 06478 | Oxford (203) | 10,729 | 8,685 |
| 06379 | Pawcatuck (c) (860) | 5,474 | 5,289 |
| 06374 | Plainfield (860) | 15,174 | 14,363 |
| 06062 | Plainville (860) | 17,461 | 17,392 |
| 06782 | Plymouth (860) | 12,067 | 11,822 |
| 06480 | Portland (860) | 9,264 | 8,418 |
| 06712 | Prospect (203) | 9,161 | 7,775 |
| *06260 | Putnam (860) | 9,079 | 9,031 |
| 06260 | Putnam District (c) (860) | 6,746 | 6,835 |
| 06896 | Redding (203) | 8,572 | 7,927 |
| *06877 | Ridgefield (c) (203) | 7,212 | 6,363 |
| 06877 | Ridgefield (203) | 24,131 | 20,919 |
| 06066 | Rockville (c) (860) | 7,708 | — |
| 06067 | Rocky Hill (860) | 18,528 | 16,554 |
| *06483 | Seymour (203) | 16,045 | 14,288 |
| 06484 | Shelton (203) | 39,321 | 35,418 |
| 06082 | Sherwood Manor (c) (860) | 5,689 | 6,357 |
| *06070 | Simsbury (860) | 23,496 | 22,023 |
| 06070 | Simsbury Center (c) (860) | 5,603 | 5,577 |
| 06071 | Somers (860) | 10,870 | 9,108 |
| 06488 | Southbury (203) | 19,279 | 15,818 |
| 06489 | Southington (860) | 41,397 | 38,518 |
| *06074 | South Windsor (860) | 25,270 | 22,090 |
| 06082 | Southwood Acres (c) (860) | 8,067 | 8,963 |
| *06075 | Stafford (860) | 11,743 | 11,091 |
| *06904 | Stamford (203) | 120,226 | 108,056 |
| 06378 | Stonington (860) | 18,206 | 16,919 |
| *06268 | Storrs (c) (860) | 10,996 | 12,198 |
| *06602 | Stratford (203) | 50,182 | 49,389 |
| *06078 | Suffield (860) | 14,217 | 11,427 |
| *06786 | Terryville (c) (860) | 5,360 | 5,426 |
| *06787 | Thomaston (860) | 7,857 | 6,947 |
| 06277 | Thompson (860) | 9,157 | 8,668 |
| 06082 | Thompsonville (c) (860) | 8,125 | 8,458 |
| 06084 | Tolland (860) | 14,264 | 11,001 |
| *06790 | Torrington (860) | 35,930 | 33,687 |
| 06611 | Trumbull (203) | 35,013 | 32,016 |
| 06066 | Vernon (860) | 29,206 | 29,841 |
| *06492 | Wallingford (203) | 44,331 | 40,822 |
| 06492 | Wallingford Center (c) (203) | 17,509 | 17,827 |
| *06702 | Waterbury (203) | 108,429 | 108,961 |
| *06385 | Waterford (860) | 19,034 | 17,930 |
| 06795 | Watertown (860) | 22,178 | 20,456 |
| 06498 | Westbrook (860) | 6,583 | 5,414 |
| *06101 | West Hartford (860) | 61,424 | 60,110 |
| 06516 | West Haven (203) | 53,087 | 54,021 |
| 06883 | Weston (203) | 10,239 | 8,648 |
| *06880 | Westport (203) | 26,320 | 24,410 |
| *06101 | Wethersfield (860) | 26,398 | 25,651 |
| 06226 | Willimantic (c) (860) | 15,823 | 14,746 |
| 06279 | Willington (860) | 6,198 | 5,979 |
| 06897 | Wilton (203) | 17,909 | 15,989 |
| *06094 | Winchester (860) | 10,781 | 11,524 |
| *06280 | Windham (860) | 23,014 | 22,039 |
| *06095 | Windsor (860) | 28,565 | 27,817 |
| 06096 | Windsor Locks (860) | 12,256 | 12,358 |
| *06098 | Winsted (c) (860) | 7,321 | 8,254 |
| *06716 | Wolcott (203) | 16,024 | 13,700 |
| 06525 | Woodbridge (203) | 9,249 | 7,924 |
| 06798 | Woodbury (203) | 9,557 | 8,131 |
| 06281 | Woodstock (860) | 7,685 | 6,008 |
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