Fastest Growing Cities in Connecticut (2025)

167 cities

City
Rank
Annual Change
2025 Pop.
2020 Pop.
Cheshire14.52%31,99528,310
Granby23.89%12,20810,890
Mansfield33.42%28,95319,446
Bethel43.01%22,13720,324
Farmington52.82%28,98326,635
Rocky Hill62.54%21,91620,755
Groton72.34%39,66838,329
Brookfield82.02%18,55417,469
Stonington91.72%19,10518,319
North Haven101.72%25,27124,129
Fairfield111.66%66,38561,487
Darien121.5%22,86621,445
New Haven131.5%139,624129,314
Suffield141.47%16,19815,684
Easton151.42%7,9267,584
Canterbury161.4%5,2955,048
Monroe171.29%19,51718,773
Harwinton181.27%5,7605,474
Somers191.25%11,04110,080
Sterling201.25%3,7403,573
Trumbull211.24%38,54436,610
Stratford221.23%54,27252,230
Thompson231.21%9,6289,192
Voluntown241.21%2,6822,568
Shelton251.19%43,31540,762
Derby261.16%13,06512,312
New London271.15%28,40426,789
Westport281.12%28,30927,069
Sherman291.11%3,6413,515
Scotland301.06%1,6151,572
Hampton311.02%1,7771,729
Eastford321%1,7231,647
Barkhamsted331%3,7543,645
New Britain340.96%76,60372,943
Greenwich350.93%65,19663,328
Woodstock360.92%8,5128,224
Goshen370.92%3,2953,150
Brooklyn380.88%8,7858,382
New Milford390.88%28,99927,982
Plainville400.87%17,91217,457
Middletown410.84%49,02646,976
Beacon Falls420.83%6,3236,008
Middlebury430.82%8,0917,573
Putnam440.82%9,4849,218
Morris450.79%2,3082,247
East Haven460.78%28,17227,832
Branford470.78%28,66928,132
Bloomfield480.76%22,36721,447
Pomfret490.76%4,3884,266
Killingly500.75%18,22917,716
Norwalk510.74%94,35290,897
Chaplin520.73%2,1952,150
Woodbridge530.73%9,1979,057
Danbury540.73%89,34186,095
Seymour550.73%17,26416,711
Warren560.73%1,3881,349
Washington570.73%3,7483,639
Salisbury580.72%4,3104,189
Bolton590.72%4,9304,846
Canton600.71%10,34610,086
Hebron610.7%9,3199,071
Southbury620.69%20,48319,863
Wolcott630.69%16,62516,131
Ledyard640.69%15,68215,393
Oxford650.68%13,35412,711
Woodbury660.67%10,0279,712
Ridgefield670.67%25,47024,955
Bridgewater680.66%1,6821,651
Stamford690.66%140,049135,474
New Canaan700.65%21,29720,535
Plainfield710.65%15,41414,974
Watertown720.64%22,64222,085
Newtown730.64%28,20927,037
Bridgeport740.64%152,570147,713
Wilton750.64%19,37818,403
East Hampton760.63%13,19212,697
Old Saybrook770.63%10,75610,468
Burlington780.62%9,8659,487
Montville790.62%18,02418,061
Ashford800.61%4,2894,190
East Granby810.61%5,3105,208
Coventry820.6%12,52012,220
East Windsor830.6%11,36911,148
Weston840.6%10,55310,320
Madison850.59%17,79317,618
Southington860.59%44,45943,431
Prospect870.58%9,6299,374
Bristol880.58%62,55760,744
Marlborough890.58%6,2286,102
Avon900.57%19,21518,875
Tolland910.57%14,82314,530
Roxbury920.56%2,3232,253
Plymouth930.56%11,94511,652
North Stonington940.54%5,2255,140
South Windsor950.54%27,20726,868
Andover960.54%3,1943,146
Ellington970.53%16,67316,388
Kent980.52%3,1003,017
Willington990.52%5,6385,552
Preston1000.51%4,8804,786
Cornwall1010.5%1,5931,566
Berlin1020.5%20,75020,134
Guilford1030.5%22,37522,021
East Haddam1040.5%9,1068,858
Glastonbury1050.49%35,72735,065
Redding1060.49%8,8738,732
Naugatuck1070.48%32,27131,494
Hartland1080.47%1,9301,896
Canaan1090.46%1,0931,076
Bozrah1100.45%2,4372,421
Bethany1110.45%5,3485,281
Vernon1120.45%31,03430,168
Thomaston1130.45%7,6007,439
Stafford1140.44%11,74311,414
Waterbury1150.43%116,412113,889
West Hartford1160.43%64,46263,118
New Fairfield1170.43%13,71013,531
New Hartford1180.43%6,7396,614
Newington1190.43%31,82730,425
Manchester1200.42%60,20159,500
Franklin1210.42%1,9081,857
Simsbury1220.42%25,45924,499
Griswold1230.41%11,73111,422
Columbia1240.41%5,3815,266
Bethlehem1250.41%3,4633,389
Lisbon1260.4%4,2664,190
Sharon1270.4%2,7662,678
Wethersfield1280.4%27,48127,242
Lebanon1290.39%7,1697,129
Ansonia1300.39%19,26918,896
Litchfield1310.38%8,3658,182
East Hartford1320.38%51,32350,877
Waterford1330.38%19,98619,570
North Branford1340.38%13,60213,504
Norfolk1350.37%1,6071,582
Windsor Locks1360.36%12,68912,577
Windsor1370.36%29,76529,341
Colchester1380.35%15,80715,495
Enfield1390.35%41,28241,185
Hartford1400.34%122,544120,469
Sprague1410.34%2,9582,960
Deep River1420.33%4,4984,405
Wallingford1430.3%44,52044,533
Colebrook1440.29%1,3741,353
East Lyme1450.29%19,05918,443
North Canaan1460.28%3,2293,197
Winchester1470.27%10,33710,242
Portland1480.26%9,5039,361
Westbrook1490.23%6,9346,761
Salem1500.23%4,3364,198
Killingworth1510.22%6,2986,162
Torrington1520.22%35,75035,363
Orange1530.21%14,46214,229
Essex1540.19%6,8606,728
Lyme1550.17%2,4252,349
Middlefield1560.16%4,2814,208
Hamden1570.16%61,60960,736
Old Lyme1580.16%7,7337,604
Clinton1590.13%13,48513,173
Windham1600.13%24,13723,859
Chester1610.11%3,7523,739
Haddam1620.1%8,8158,437
Cromwell1630.1%14,40214,214
Durham1640.1%7,2377,141
Meriden1650.09%60,90560,622
Norwich166-0.02%39,98640,018
West Haven167-0.08%55,33555,553

Connecticut Growth Overview

Connecticut's cities with over 1,000 residents show varied growth patterns from 2020 to 2025. Cheshire leads with 4.52% annualized growth, followed by Granby (3.89%) and Mansfield (3.42%). The largest population centers are Bridgeport (152,570), Stamford (140,049), and New Haven (139,624). Of the 167 cities over 1,000 population, 165 are growing while 2 experienced population decline. Overall, cities averaged 0.75% annualized growth, with total urban population growing by 3.47% annually.