10 Largest Cities in Connecticut

The largest city in Connecticut is Bridgeport with a population of 143,010. Cannondale is the fastest growing city in Connecticut over the past 10 years, having grown since 2010.
Rank Name 2020 Pop 2010 Census Change Density (km²)
1Bridgeport143,010144,858-1.28%3,437
2Stamford131,593122,7827.18%1,351
3New Haven130,850129,8170.80%2,703
4Hartford121,033125,359-3.45%2,689
5Waterbury107,701110,371-2.42%1,458
6Norwalk88,87185,9713.37%1,499
7Danbury84,10081,3243.41%774
8New Britain72,04573,251-1.65%2,083
9West Hartford63,12763,268-0.22%1,116
10Bristol59,67460,478-1.33%873
11Meriden59,39860,849-2.38%964
12West Haven55,26355,570-0.55%1,985
13Milford53,67251,3114.60%946
14Stratford52,27951,3841.74%1,155
15East Hartford50,45351,252-1.56%1,082
16Middletown45,77047,640-3.93%431
17Shelton40,79139,6132.97%514
18Norwich38,88440,543-4.09%535
19Trumbull36,17436,0180.43%601
20Torrington33,57036,350-7.65%326
21Naugatuck31,15631,886-2.29%738
22Newington30,32330,562-0.78%891
23Manchester29,89930,577-2.22%1,786
24East Haven28,86029,257-1.36%906
25Westport27,84026,3915.49%539
26New London26,91927,613-2.51%1,849
27Wethersfield26,26726,668-1.50%824
28North Haven23,78624,093-1.27%441
29Darien21,75920,7324.95%664
30Ansonia18,60719,253-3.36%1,194
31Wallingford Center18,32218,2090.62%975
32Willimantic17,18417,737-3.12%1,509
33Storrs16,51615,3447.64%1,141
34Orange13,93713,956-0.14%313
35Greenwich13,30312,9422.79%1,249
36Windsor Locks12,61312,4980.92%540
37Derby12,45312,895-3.43%951
38Conning Towers Nautilus Park9,7498,83410.36%753
39Bethel9,6599,5491.15%912
40Groton8,9569,380-4.52%1,121
41Oakville8,9299,047-1.30%1,062
42Thompsonville8,4398,577-1.61%1,601
43Riverside8,4148,416-0.02%1,342
44Kensington8,1908,459-3.18%604
45Ridgefield7,9637,6454.16%481
46Glastonbury Center7,7427,3874.81%629
47Southwood Acres7,7157,6570.76%732
48Winsted7,3677,712-4.47%615
49Rockville7,3327,474-1.90%1,674
50Cos Cob6,9596,7702.79%1,294
51Old Greenwich6,8196,6113.15%1,319
52Putnam6,7727,214-6.13%811
53New Milford6,7376,5233.28%764
54Cheshire Village6,4845,78612.06%743
55Branford Center6,4135,81910.21%1,315
56Simsbury Center6,0915,8364.37%516
57Portland5,5725,862-4.95%379
58Sherwood Manor5,4385,4100.52%670
59Pawcatuck5,2495,624-6.67%594
60Colchester5,0484,7815.58%436
61Stafford Springs4,9474,988-0.82%300
62Terryville4,9005,387-9.04%685
63Hazardville4,8964,5996.46%574
64Broad Brook4,7664,06917.13%311
65Mystic4,2214,2050.38%486
66Byram4,2164,1461.69%2,041
67Long Hill4,1914,205-0.33%1,052
68Heritage Village4,1433,73610.89%651
69Pemberwick4,1143,68011.79%2,340
70Danielson4,0594,0320.67%1,433
71Moosup3,9433,23122.04%659
72Collinsville3,5143,746-6.19%433
73Old Mystic3,5133,554-1.15%319
74Clinton3,4533,3682.52%554
75Lake Pocotopaug3,4133,436-0.67%415
76Jewett City3,3643,488-3.56%1,843
77Watertown3,3243,574-6.99%606
78Northwest Harwinton3,2443,252-0.25%144
79Oxoboxo River2,9063,165-8.18%262
80Niantic2,8723,114-7.77%748
81Waterford2,7962,887-3.15%572
82Weatogue2,7882,7760.43%359
83East Hampton2,7602,6912.56%418
84Blue Hills2,7532,901-5.10%912
85Coventry Lake2,7492,990-8.06%363
86Durham2,6312,933-10.30%163
87Guilford Center2,6182,5970.81%460
88Essex Village2,5952,4954.01%285
89West Simsbury2,5232,4473.11%225
90Madison Center2,5192,29010.00%476
91Glenville2,4992,3277.39%1,305
92Poquonock Bridge2,4501,72741.86%705
93Deep River Center2,4482,484-1.45%368
94Salmon Brook2,4382,3244.91%314
95Crystal Lake2,2311,94514.70%110
96Plainfield Village2,1132,557-17.36%478
97Westbrook Center2,0752,413-14.01%475
98Newtown1,9471,9360.57%326
99Somers1,8871,7895.48%345
100Old Saybrook Center1,8812,039-7.75%368
101Georgetown1,8241,8051.05%245
102Bethlehem Village1,7982,021-11.03%89
103Thomaston1,7931,910-6.13%663
104Plantsville1,726714
105Southport1,6641,5854.98%749
106North Granby1,6571,944-14.76%77
107Chester Center1,6531,5586.10%320
108Moodus1,6101,41313.94%215
109Woodmont1,5511,4904.09%2,181
110South Windham1,5331,4217.88%190
111Canton Valley1,5251,580-3.48%334
112Higganum1,4961,698-11.90%118
113Noank1,4871,796-17.20%377
114Woodbury Center1,4491,29411.98%288
115Tariffville1,3911,3245.06%897
116East Brooklyn1,3501,638-17.58%307
117Suffield Depot1,3341,3250.68%262
118Quinebaug1,3271,13317.12%118
119Wauregan1,3211,2059.63%553
120North Grosvenor Dale1,2711,530-16.93%217
121Canaan1,2271,2121.24%271
122Litchfield1,2061,257-4.06%339
123Baltic1,1821,250-5.44%367
124South Woodstock1,1811,291-8.52%87
125Lakeville1,15492824.35%141
126Terramuggus1,1361,02510.83%382
127South Coventry1,1171,483-24.68%133
128Saybrook Manor1,1031,0524.85%552
129New Hartford Center1,0611,385-23.39%129
130Brooklyn965981-1.63%338
131Mansfield Center913947-3.59%115
132New Preston9081,182-23.18%48
133Stonington886928-4.53%1,003
134Gales Ferry8621,162-25.82%380
135Wilton Center82473212.57%1,154
136Sharon724729-0.69%93
137Bantam721758-4.88%276
138Groton Long Point510518-1.54%461
139Norfolk496553-10.31%206
140Falls Village478538-11.15%116
141Mashantucket21633
142Fenwick46436.98%46
143Cannondale29141-79.43%36

Top 143 Cities in Connecticut by Population

Connecticut falls within the lower half of the states when it comes to population, ranking in as the 29th most populated with a population of over 3 million. The most populated city in Connecticut is Bridgeport, which has a population of just over 147,000 residents. Along with Bridgeport, the state has a total of five cities with populations that exceed 100,000. An additional 14 cities have populations of at least 10,000. The capital city, Hartford, is the state’s 4th most populous, with over 124,000 residents.

There are 21 cities in total throughout Connecticut, and there are 169 towns that are spread across eight counties. The towns in Connecticut by law are allowed to choose their own government structures. Towns can also adopt city-forms of government without having to go through the process of reincorporation. Two counties in Connecticut do not have any cities. There are 19 city-towns in the state, and just one consolidated borough-town. The earliest town is Windsor, which was established in 1633, while the most recent, West Haven, was established in 1921. The least populated town in the state is Union, which had a population of 854 according to data from the 2010 U.S. Census.

Map of Cities in Connecticut

  1. US Census Annual Estimates - 2020 Estimates Calculated via Linear Projection of Previous Estimates