Census tract rankings · Connecticut
Most populous census tracts in Connecticut
Where the most people live inside a single tract. The Census Bureau aims for 4,000 residents per tract but splits and merges aren't always synchronized with growth. Filtered to Connecticut, ranked among all tracts in the state.
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| Rank | Tract | County | population |
|---|---|---|---|
| #101 | Tract 5601 | Lower Connecticut River Valley Planning Region, CT | 5,956 |
| #102 | Tract 451.02 | Western Connecticut Planning Region, CT | 5,945 |
| #103 | Tract 551 | Western Connecticut Planning Region, CT | 5,944 |
| #104 | Tract 2535 | Western Connecticut Planning Region, CT | 5,932 |
| #105 | Tract 4842 | Capitol Planning Region, CT | 5,921 |
| #106 | Tract 3481.23 | Naugatuck Valley Planning Region, CT | 5,913 |
| #107 | Tract 5151.02 | Capitol Planning Region, CT | 5,907 |
| #108 | Tract 2304 | Western Connecticut Planning Region, CT | 5,907 |
| #109 | Tract 427 | Western Connecticut Planning Region, CT | 5,905 |
| #110 | Tract 5501 | Lower Connecticut River Valley Planning Region, CT | 5,884 |
| #111 | Tract 5201 | Capitol Planning Region, CT | 5,855 |
| #112 | Tract 723 | Greater Bridgeport Planning Region, CT | 5,842 |
| #113 | Tract 2109 | Western Connecticut Planning Region, CT | 5,838 |
| #114 | Tract 3621.02 | Naugatuck Valley Planning Region, CT | 5,824 |
| #115 | Tract 3604 | Naugatuck Valley Planning Region, CT | 5,816 |
| #116 | Tract 3516.02 | Naugatuck Valley Planning Region, CT | 5,812 |
| #117 | Tract 3528 | Naugatuck Valley Planning Region, CT | 5,801 |
| #118 | Tract 1202 | Naugatuck Valley Planning Region, CT | 5,799 |
| #119 | Tract 102.02 | Western Connecticut Planning Region, CT | 5,793 |
| #120 | Tract 3471 | Naugatuck Valley Planning Region, CT | 5,790 |
| #121 | Tract 4053 | Naugatuck Valley Planning Region, CT | 5,790 |
| #122 | Tract 1705 | South Central Connecticut Planning Region, CT | 5,773 |
| #123 | Tract 2103 | Western Connecticut Planning Region, CT | 5,773 |
| #124 | Tract 6964.01 | Southeastern Connecticut Planning Region, CT | 5,771 |
| #125 | Tract 1001 | Greater Bridgeport Planning Region, CT | 5,768 |
| #126 | Tract 8501 | Capitol Planning Region, CT | 5,766 |
| #127 | Tract 8815 | Capitol Planning Region, CT | 5,752 |
| #128 | Tract 2456 | Western Connecticut Planning Region, CT | 5,749 |
| #129 | Tract 4055 | Naugatuck Valley Planning Region, CT | 5,740 |
| #130 | Tract 211 | Western Connecticut Planning Region, CT | 5,701 |
| #131 | Tract 1847 | South Central Connecticut Planning Region, CT | 5,699 |
| #132 | Tract 5414.02 | Lower Connecticut River Valley Planning Region, CT | 5,691 |
| #133 | Tract 725 | Greater Bridgeport Planning Region, CT | 5,670 |
| #134 | Tract 712 | Greater Bridgeport Planning Region, CT | 5,667 |
| #135 | Tract 5146 | Capitol Planning Region, CT | 5,665 |
| #136 | Tract 222.02 | Western Connecticut Planning Region, CT | 5,660 |
| #137 | Tract 7161.02 | Southeastern Connecticut Planning Region, CT | 5,656 |
| #138 | Tract 2453 | Western Connecticut Planning Region, CT | 5,651 |
| #139 | Tract 4737 | Capitol Planning Region, CT | 5,649 |
| #140 | Tract 2003.02 | Western Connecticut Planning Region, CT | 5,643 |
| #141 | Tract 6952.02 | Southeastern Connecticut Planning Region, CT | 5,638 |
| #142 | Tract 5351.01 | Capitol Planning Region, CT | 5,631 |
| #143 | Tract 1942.02 | South Central Connecticut Planning Region, CT | 5,625 |
| #144 | Tract 1252 | Naugatuck Valley Planning Region, CT | 5,616 |
| #145 | Tract 1903.02 | South Central Connecticut Planning Region, CT | 5,616 |
| #146 | Tract 1602 | South Central Connecticut Planning Region, CT | 5,610 |
| #147 | Tract 219 | Western Connecticut Planning Region, CT | 5,602 |
| #148 | Tract 4154 | Capitol Planning Region, CT | 5,601 |
| #149 | Tract 9072 | Northeastern Connecticut Planning Region, CT | 5,598 |
| #150 | Tract 8401 | Capitol Planning Region, CT | 5,575 |
| #151 | Tract 5951.02 | Lower Connecticut River Valley Planning Region, CT | 5,569 |
| #152 | Tract 7092 | Southeastern Connecticut Planning Region, CT | 5,560 |
| #153 | Tract 1656 | South Central Connecticut Planning Region, CT | 5,559 |
| #154 | Tract 8703 | Southeastern Connecticut Planning Region, CT | 5,552 |
| #155 | Tract 907 | Greater Bridgeport Planning Region, CT | 5,546 |
| #156 | Tract 1802 | South Central Connecticut Planning Region, CT | 5,532 |
| #157 | Tract 5023 | Capitol Planning Region, CT | 5,528 |
| #158 | Tract 4901 | Capitol Planning Region, CT | 5,527 |
| #159 | Tract 1253 | Naugatuck Valley Planning Region, CT | 5,515 |
| #160 | Tract 4305.02 | Capitol Planning Region, CT | 5,509 |
| #161 | Tract 1425 | South Central Connecticut Planning Region, CT | 5,503 |
| #162 | Tract 1841.01 | South Central Connecticut Planning Region, CT | 5,496 |
| #163 | Tract 209 | Western Connecticut Planning Region, CT | 5,496 |
| #164 | Tract 1654 | South Central Connecticut Planning Region, CT | 5,482 |
| #165 | Tract 104 | Western Connecticut Planning Region, CT | 5,481 |
| #166 | Tract 6967.01 | Southeastern Connecticut Planning Region, CT | 5,479 |
| #167 | Tract 4641.01 | Capitol Planning Region, CT | 5,478 |
| #168 | Tract 2003.01 | Western Connecticut Planning Region, CT | 5,469 |
| #169 | Tract 1423 | South Central Connecticut Planning Region, CT | 5,461 |
| #170 | Tract 4661.02 | Capitol Planning Region, CT | 5,456 |
| #171 | Tract 4603.01 | Capitol Planning Region, CT | 5,448 |
| #172 | Tract 2002 | Western Connecticut Planning Region, CT | 5,446 |
| #173 | Tract 354 | Western Connecticut Planning Region, CT | 5,426 |
| #174 | Tract 7161.01 | Southeastern Connecticut Planning Region, CT | 5,425 |
| #175 | Tract 4622.01 | Capitol Planning Region, CT | 5,416 |
| #176 | Tract 813 | Greater Bridgeport Planning Region, CT | 5,411 |
| #177 | Tract 6702 | Lower Connecticut River Valley Planning Region, CT | 5,408 |
| #178 | Tract 1106.02 | Naugatuck Valley Planning Region, CT | 5,394 |
| #179 | Tract 5303.01 | Capitol Planning Region, CT | 5,393 |
| #180 | Tract 1419 | South Central Connecticut Planning Region, CT | 5,392 |
| #181 | Tract 109 | Western Connecticut Planning Region, CT | 5,391 |
| #182 | Tract 3612 | Naugatuck Valley Planning Region, CT | 5,386 |
| #183 | Tract 5243 | Capitol Planning Region, CT | 5,373 |
| #184 | Tract 6933 | Southeastern Connecticut Planning Region, CT | 5,358 |
| #185 | Tract 1550 | South Central Connecticut Planning Region, CT | 5,350 |
| #186 | Tract 5331.02 | Capitol Planning Region, CT | 5,311 |
| #187 | Tract 6961 | Southeastern Connecticut Planning Region, CT | 5,308 |
| #188 | Tract 8601 | Capitol Planning Region, CT | 5,300 |
| #189 | Tract 4257 | Western Connecticut Planning Region, CT | 5,295 |
| #190 | Tract 4841 | Capitol Planning Region, CT | 5,292 |
| #191 | Tract 4101.01 | Northwest Hills Planning Region, CT | 5,292 |
| #192 | Tract 1611 | South Central Connecticut Planning Region, CT | 5,288 |
| #193 | Tract 5104 | Capitol Planning Region, CT | 5,285 |
| #194 | Tract 5412 | Lower Connecticut River Valley Planning Region, CT | 5,282 |
| #195 | Tract 110 | Western Connecticut Planning Region, CT | 5,267 |
| #196 | Tract 9073 | Northeastern Connecticut Planning Region, CT | 5,256 |
| #197 | Tract 808 | Greater Bridgeport Planning Region, CT | 5,245 |
| #198 | Tract 1102.02 | Naugatuck Valley Planning Region, CT | 5,242 |
| #199 | Tract 4701 | Capitol Planning Region, CT | 5,238 |
| #200 | Tract 1102.01 | Naugatuck Valley Planning Region, CT | 5,238 |
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