Ranking of Connecticut Cities and Places By Population with Unclassified Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 596.88K people in Connecticut with Unclassified ancestry. Among all Connecticut cities and places, Bridgeport city had the highest population with Unclassified ancestry (22.31K), followed by New Haven city (19.37K), and Stamford city (18.90K).

The chart and table below shows the top 10 cities and places with high number of people with Unclassified ancestry.

You can see similar information for other states and for other ancestry groups in Connecticut.

Related Topics: US Census 2021 Topic List.
Data Source: US Census Bureau.
Ranking of Connecticut Cities and Places By Population with Unclassified Ancestry in 2021
Bridgeport city
New Haven city
Stamford city
Waterbury city
Hartford city
Danbury city
Norwalk city
Storrs CDP
New Britain city
Meriden city
Ranking of Connecticut Cities and Places By Population with Unclassified Ancestry in 2021
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Rank City or Place Population
1 Bridgeport city 22312
2 New Haven city 19374
3 Stamford city 18897
4 Waterbury city 17851
5 Hartford city 15977
6 Danbury city 15904
7 Norwalk city 13844
8 Storrs CDP 12612
9 New Britain city 11439
10 Meriden city 11105
11 Bristol city 9587
12 West Hartford CDP 9319
13 Milford city (balance) 9188
14 Norwich city 8978
15 East Hartford CDP 8035
16 West Haven city 7916
17 Torrington city 7776
18 Middletown city 6952
19 Shelton city 6571
20 Naugatuck borough 5528
21 Manchester CDP 5144
22 New London city 4525
23 Wethersfield CDP 4452
24 East Haven CDP 4109
25 Ansonia city 3592
26 Willimantic CDP 3262
27 Newington CDP 3157
28 North Haven CDP 3058
29 Orange CDP 2942
30 Wallingford Center CDP 2645
31 Trumbull Center CDP 2410
32 Windsor Locks CDP 2357
33 Oakville CDP 2111
34 Greenwich CDP 2060
35 Conning Towers-Nautilus Park CDP 2046
36 Bethel CDP 2025
37 Riverside CDP 1992
38 Putnam CDP 1822
39 Groton city 1800
40 New Canaan CDP 1733
41 Long Hill CDP (New London County) 1597
42 Danielson borough 1549
43 Rockville CDP 1532
44 Derby city 1486
45 Portland CDP 1484
46 Old Greenwich CDP 1442
47 Winsted CDP 1424
48 Thompsonville CDP 1420
49 Glastonbury Center CDP 1347
50 Hazardville CDP 1246
51 Long Hill CDP (Fairfield County) 1240
52 Kensington CDP 1203
53 Ridgefield CDP 1127
54 New Milford CDP 1126
55 Southwood Acres CDP 1120
56 Sandy Hook CDP 1112
57 Staples CDP 1088
58 Coleytown CDP 1047
59 Glenville CDP 1021
60 Sherwood Manor CDP 1018
60 Terryville CDP 1018
61 Mystic CDP 1001
62 Branford Center CDP 983
63 Stafford Springs CDP 959
64 Cos Cob CDP 913
65 Pawcatuck CDP 897
66 Jewett City borough 894
67 Noroton CDP 873
68 Cheshire Village CDP 856
69 Northwest Harwinton CDP 799
70 Fairfield University CDP 793
71 Lake Pocotopaug CDP 759
72 Pemberwick CDP 724
73 Simsbury Center CDP 721
74 Moosup CDP 702
75 Northford CDP 691
76 Old Hill CDP 690
77 Daniels Farm CDP 671
78 Old Mystic CDP 652
79 Compo CDP 610
80 Thomaston CDP 595
81 Collinsville CDP 591
82 West Simsbury CDP 585
83 Coventry Lake CDP 582
84 Bethlehem Village CDP 567
85 Byram CDP 562
86 Somers CDP 560
87 Essex Village CDP 533
88 Tokeneke CDP 527
89 Durham CDP 515
90 Crystal Lake CDP 513
90 Watertown CDP 513
91 Westport Village CDP 486
92 Oronoque CDP 484
93 Plainfield Village CDP 467
94 Colchester CDP 453
95 Tashua CDP 440
96 Quinnipiac University CDP 431
97 Clinton CDP 427
98 Heritage Village CDP 417
99 Saugatuck CDP 406
100 East Brooklyn CDP 404
101 North Grosvenor Dale CDP 395
102 Niantic CDP 386
102 Stratford Downtown CDP 386
103 Broad Brook CDP 383
104 Oxoboxo River CDP 380
105 East Village CDP 378
106 Guilford Center CDP 377
107 Greens Farms CDP 373
107 Lordship CDP 373
108 Weatogue CDP 354
109 Waterford CDP 352
110 Noroton Heights CDP 350
111 Newtown borough 337
112 Poquonock Bridge CDP 336
112 Tariffville CDP 336
113 New Hartford Center CDP 334
114 South Coventry CDP 333
115 East Hampton CDP 330
115 Stepney CDP 330
116 Woodmont borough 327
117 Woodbury Center CDP 316
118 Suffield Depot CDP 315
119 Salmon Brook CDP 313
120 Westbrook Center CDP 310
121 Candlewood Shores CDP 308
122 Wilton Center CDP 299
123 Wauregan CDP 298
124 Inglenook CDP 280
125 Plattsville CDP 273
126 Plantsville CDP 272
127 South Woodstock CDP 255
128 Route 7 Gateway CDP 251
129 Mill Plain CDP 250
130 Ridgebury CDP 249
131 Georgetown CDP 242
131 Mamanasco Lake CDP 242
132 Lakes West CDP 238
133 Blue Hills CDP 236
134 Higganum CDP 235
135 Deep River Center CDP 231
136 Old Saybrook Center CDP 227
137 North Granby CDP 224
138 Noank CDP 220
139 Ball Pond CDP 219
139 Botsford CDP 219
139 Litchfield borough 219
140 Sacred Heart University CDP 211
141 South Windham CDP 199
142 Gaylordsville CDP 198
143 Baltic CDP 195
144 Dayville CDP 190
145 Mechanicsville CDP 182
145 Southport CDP 182
146 Cannondale CDP 178
147 Sharon CDP 176
148 Poplar Plains CDP 172
149 South Wilton CDP 168
150 Saybrook Manor CDP 167
151 Brooklyn CDP 159
152 Darien Downtown CDP 157
153 Bantam borough 153
153 New Preston CDP 153
154 Rock Ridge CDP 148
155 Quasset Lake CDP 141
156 Bogus Hill CDP 133
157 Mansfield Center CDP 131
158 Canaan CDP 127
159 Candlewood Isle CDP 122
160 Lake Bungee CDP 116
160 Terramuggus CDP 116
161 Lakeside Woods CDP 113
162 Lakes East CDP 112
163 Candlewood Orchards CDP 110
164 West Mountain CDP 108
165 Madison Center CDP 104
166 Lake Chaffee CDP 103
167 Quinebaug CDP 97
168 Lakeville CDP 92
169 Gales Ferry CDP 80
169 Stonington borough 80
170 Taylor Corners CDP 78
171 Chester Center CDP 65
172 Knollcrest CDP 64
173 Canton Valley CDP 59
174 Bigelow Corners CDP 57
175 Norfolk CDP 56
176 Redding Center CDP 53
177 Groton Long Point borough 49
178 Weston CDP 47
179 Falls Village CDP 43
180 Candlewood Knolls CDP 41
181 Murray CDP 35
182 Indian Field CDP 34
183 Riverton CDP 29
184 Cornwall Bridge CDP 26
185 Witches Woods CDP 25
186 Hawleyville CDP 22
187 West Cornwall CDP 18