Ranking of Connecticut Cities and Places By Population with Irish Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 528.98K people in Connecticut with Irish ancestry. Among all Connecticut cities and places, Stamford city had the highest population with Irish ancestry (13.74K), followed by West Hartford CDP (11.07K), and Milford city (balance) (10.60K).
The chart and table below shows the top 10 cities and places with high number of people with Irish ancestry.
You can see similar information for other states and for other ancestry groups in Connecticut.
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Related Topics: US Census 2021 Topic List.
Data Source: US Census Bureau.
Ranking of Connecticut Cities and Places By Population with Irish Ancestry in 2021
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| Rank | City or Place | Population |
|---|---|---|
| 1 | Stamford city | 13739 |
| 2 | West Hartford CDP | 11072 |
| 3 | Milford city (balance) | 10598 |
| 4 | Norwalk city | 10098 |
| 5 | Danbury city | 8840 |
| 6 | Bristol city | 8833 |
| 7 | Waterbury city | 8618 |
| 8 | New Haven city | 8253 |
| 9 | Shelton city | 7361 |
| 10 | West Haven city | 7176 |
| 11 | Meriden city | 6959 |
| 12 | Middletown city | 6524 |
| 13 | Manchester CDP | 5786 |
| 14 | Naugatuck borough | 5229 |
| 15 | Torrington city | 4986 |
| 16 | North Haven CDP | 4942 |
| 17 | East Haven CDP | 4743 |
| 18 | Norwich city | 4648 |
| 19 | New Britain city | 4632 |
| 20 | Bridgeport city | 4366 |
| 21 | Wethersfield CDP | 4222 |
| 22 | Newington CDP | 4204 |
| 23 | East Hartford CDP | 3514 |
| 24 | Wallingford Center CDP | 3470 |
| 25 | Hartford city | 3300 |
| 26 | New London city | 3223 |
| 27 | Windsor Locks CDP | 2687 |
| 28 | Orange CDP | 2605 |
| 29 | Ansonia city | 2441 |
| 30 | Sandy Hook CDP | 2364 |
| 31 | Derby city | 2190 |
| 32 | Willimantic CDP | 2151 |
| 33 | Greenwich CDP | 2038 |
| 34 | Bethel CDP | 1923 |
| 35 | Simsbury Center CDP | 1797 |
| 36 | Trumbull Center CDP | 1706 |
| 37 | New Milford CDP | 1704 |
| 38 | New Canaan CDP | 1631 |
| 39 | Southwood Acres CDP | 1580 |
| 40 | Thompsonville CDP | 1560 |
| 41 | Ridgefield CDP | 1556 |
| 42 | Glastonbury Center CDP | 1470 |
| 43 | Groton city | 1389 |
| 44 | Northford CDP | 1368 |
| 45 | Portland CDP | 1351 |
| 46 | Oakville CDP | 1327 |
| 47 | Conning Towers-Nautilus Park CDP | 1321 |
| 48 | Colchester CDP | 1281 |
| 49 | Cos Cob CDP | 1278 |
| 50 | Rockville CDP | 1261 |
| 51 | Pawcatuck CDP | 1255 |
| 52 | Branford Center CDP | 1238 |
| 53 | Winsted CDP | 1235 |
| 54 | Daniels Farm CDP | 1161 |
| 55 | Cheshire Village CDP | 1158 |
| 56 | Heritage Village CDP | 1149 |
| 57 | Noroton CDP | 1146 |
| 58 | Quinnipiac University CDP | 1141 |
| 58 | Riverside CDP | 1141 |
| 59 | Suffield Depot CDP | 1122 |
| 60 | Broad Brook CDP | 1119 |
| 61 | Sherwood Manor CDP | 1109 |
| 62 | Putnam CDP | 1055 |
| 63 | Ball Pond CDP | 1040 |
| 64 | Kensington CDP | 1012 |
| 65 | Long Hill CDP (Fairfield County) | 992 |
| 66 | Old Greenwich CDP | 985 |
| 67 | Byram CDP | 965 |
| 68 | Stafford Springs CDP | 954 |
| 69 | Hazardville CDP | 949 |
| 70 | Long Hill CDP (New London County) | 922 |
| 71 | Lordship CDP | 916 |
| 72 | Clinton CDP | 915 |
| 73 | Storrs CDP | 899 |
| 74 | Staples CDP | 801 |
| 75 | Terryville CDP | 785 |
| 76 | Fairfield University CDP | 769 |
| 77 | Niantic CDP | 768 |
| 78 | Deep River Center CDP | 758 |
| 79 | Mill Plain CDP | 751 |
| 80 | Lake Pocotopaug CDP | 748 |
| 81 | East Village CDP | 743 |
| 82 | Stepney CDP | 739 |
| 83 | Essex Village CDP | 711 |
| 84 | West Simsbury CDP | 680 |
| 85 | Watertown CDP | 679 |
| 86 | Pemberwick CDP | 664 |
| 87 | Collinsville CDP | 650 |
| 87 | East Hampton CDP | 650 |
| 88 | Tokeneke CDP | 646 |
| 89 | Mystic CDP | 641 |
| 90 | Old Mystic CDP | 622 |
| 91 | Ridgebury CDP | 609 |
| 92 | Oronoque CDP | 603 |
| 93 | Noroton Heights CDP | 599 |
| 94 | Waterford CDP | 596 |
| 95 | Durham CDP | 595 |
| 96 | Compo CDP | 594 |
| 97 | Madison Center CDP | 592 |
| 98 | Bethlehem Village CDP | 581 |
| 99 | Tashua CDP | 578 |
| 100 | Northwest Harwinton CDP | 571 |
| 101 | Danielson borough | 539 |
| 102 | Guilford Center CDP | 524 |
| 103 | Old Saybrook Center CDP | 520 |
| 104 | Canton Valley CDP | 514 |
| 105 | Chester Center CDP | 501 |
| 106 | East Brooklyn CDP | 495 |
| 107 | Newtown borough | 491 |
| 108 | Woodmont borough | 484 |
| 109 | Westport Village CDP | 481 |
| 110 | Southport CDP | 463 |
| 111 | Saybrook Manor CDP | 459 |
| 112 | Crystal Lake CDP | 446 |
| 113 | Poplar Plains CDP | 440 |
| 114 | Coleytown CDP | 439 |
| 115 | Weatogue CDP | 432 |
| 116 | Moodus CDP | 419 |
| 117 | Glenville CDP | 413 |
| 118 | Old Hill CDP | 412 |
| 119 | Salmon Brook CDP | 402 |
| 120 | Georgetown CDP | 394 |
| 121 | Woodbury Center CDP | 390 |
| 122 | Higganum CDP | 385 |
| 123 | Jewett City borough | 370 |
| 123 | Oxoboxo River CDP | 370 |
| 124 | Somers CDP | 367 |
| 125 | Saugatuck CDP | 336 |
| 126 | Plantsville CDP | 335 |
| 127 | Candlewood Shores CDP | 330 |
| 128 | Gaylordsville CDP | 309 |
| 129 | Greens Farms CDP | 304 |
| 130 | Inglenook CDP | 297 |
| 131 | South Woodstock CDP | 284 |
| 132 | New Hartford Center CDP | 276 |
| 132 | Westbrook Center CDP | 276 |
| 133 | Coventry Lake CDP | 274 |
| 133 | Sacred Heart University CDP | 274 |
| 134 | Lakeville CDP | 256 |
| 135 | Canaan CDP | 245 |
| 136 | South Windham CDP | 243 |
| 137 | Lake Bungee CDP | 242 |
| 138 | Litchfield borough | 239 |
| 139 | Noank CDP | 232 |
| 139 | Thomaston CDP | 232 |
| 140 | Darien Downtown CDP | 228 |
| 141 | Candlewood Orchards CDP | 226 |
| 142 | Plattsville CDP | 220 |
| 143 | Lakes East CDP | 219 |
| 144 | Baltic CDP | 211 |
| 144 | New Preston CDP | 211 |
| 145 | Gales Ferry CDP | 208 |
| 146 | North Granby CDP | 195 |
| 147 | Wauregan CDP | 194 |
| 148 | North Grosvenor Dale CDP | 189 |
| 149 | Stonington borough | 188 |
| 150 | Plainfield Village CDP | 187 |
| 151 | Moosup CDP | 185 |
| 152 | Stratford Downtown CDP | 184 |
| 153 | Tariffville CDP | 180 |
| 154 | Brooklyn CDP | 172 |
| 154 | Wilton Center CDP | 172 |
| 155 | Mansfield Center CDP | 170 |
| 155 | Murray CDP | 170 |
| 156 | Quinebaug CDP | 166 |
| 157 | Groton Long Point borough | 164 |
| 158 | Lakes West CDP | 162 |
| 159 | South Wilton CDP | 152 |
| 160 | Bantam borough | 118 |
| 160 | Indian Field CDP | 118 |
| 161 | Rock Ridge CDP | 114 |
| 162 | Norfolk CDP | 113 |
| 163 | Riverton CDP | 112 |
| 164 | Botsford CDP | 111 |
| 165 | Lakeside Woods CDP | 110 |
| 165 | Taylor Corners CDP | 110 |
| 166 | Route 7 Gateway CDP | 108 |
| 167 | Terramuggus CDP | 107 |
| 168 | Lake Chaffee CDP | 105 |
| 169 | Candlewood Knolls CDP | 92 |
| 170 | West Mountain CDP | 91 |
| 171 | Bigelow Corners CDP | 81 |
| 172 | Sharon CDP | 79 |
| 173 | Pleasant Valley CDP | 78 |
| 174 | South Coventry CDP | 75 |
| 175 | Weston CDP | 64 |
| 176 | Redding Center CDP | 56 |
| 177 | Cornwall Bridge CDP | 55 |
| 178 | Mamanasco Lake CDP | 50 |
| 179 | Hawleyville CDP | 49 |
| 180 | Falls Village CDP | 48 |
| 181 | Blue Hills CDP | 47 |
| 182 | Mechanicsville CDP | 42 |
| 183 | Quasset Lake CDP | 37 |
| 184 | Candlewood Lake Club CDP | 36 |
| 185 | Knollcrest CDP | 34 |
| 185 | Poquonock Bridge CDP | 34 |
| 186 | Brookfield Center CDP | 33 |
| 187 | Candlewood Isle CDP | 16 |
| 188 | Dodgingtown CDP | 14 |
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