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Western Connecticut Planning Region, CT Demographics

Western Connecticut Planning Region, CT is the 2nd most populous of 9 counties in Connecticut, with 619,026 residents across 524 square miles. That is about 1,181 people per square mile.

At the 2020 census

Population 619,026
Land area 524 sq mi
Density 1,181 / sq mi

Data: 2020 Census · American Community Survey 2024

How Western Connecticut Planning Region compares to the US

We're computing this county's comparison table — check back shortly. Population, land area, and density above are already exact.

Central Location: Western Connecticut Planning Region, CT

Measured from the county's main population center using 2020 census blocks.

We're computing the drive-time and radius areas around Western Connecticut Planning Region, CT — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.

Census tracts in Western Connecticut Planning Region, CT

Name Population Sq mi Per sq mi
Census Tract 438 8,089 0.7 11,315
Census Tract 2532 7,364 11.9 620
Census Tract 2301 7,358 14.8 497
Census Tract 2052 6,975 9.5 731
Census Tract 2106 6,808 1.0 6,772
Census Tract 211 6,516 0.7 8,807
Census Tract 2105.02 6,508 5.0 1,313
Census Tract 105 6,491 0.7 9,713
Census Tract 219 6,483 0.7 8,815
Census Tract 223 6,329 0.9 6,913
Census Tract 2534 6,247 14.1 442
Census Tract 2108 6,205 5.9 1,056
Census Tract 440 6,204 0.4 13,848
Census Tract 2053 6,079 5.9 1,037
Census Tract 2535 6,029 26.1 231
Census Tract 2103 5,984 1.0 5,971
Census Tract 2456 5,943 9.9 601
Census Tract 2109 5,935 4.9 1,202
Census Tract 305 5,932 2.1 2,850
Census Tract 451.02 5,853 10.0 584
Census Tract 551 5,839 13.2 443
Census Tract 102.02 5,819 3.8 1,543
Census Tract 2002 5,760 2.2 2,654
Census Tract 104 5,711 1.1 5,432
Census Tract 2107.01 5,642 0.5 12,259
Census Tract 427 5,560 1.5 3,620
Census Tract 2304 5,558 13.3 417
Census Tract 439 5,471 1.3 4,172
Census Tract 110 5,422 1.6 3,322
Census Tract 354 5,385 7.7 695
Census Tract 2453 5,359 5.2 1,031
Census Tract 2003.02 5,287 8.9 593
Census Tract 2003.01 5,262 3.7 1,411
Census Tract 109 5,253 1.0 5,244
Census Tract 218.02 5,240 0.5 10,515
Census Tract 209 5,156 0.6 8,333
Census Tract 4257 5,100 6.4 797
Census Tract 111 5,100 1.7 3,060
Census Tract 2114 5,088 2.4 2,136
Census Tract 434 4,970 0.5 9,961
Census Tract 2305.02 4,911 9.5 515
Census Tract 2201 4,895 4.2 1,172
Census Tract 205 4,854 3.6 1,357
Census Tract 2202 4,853 11.8 411
Census Tract 213 4,847 0.9 5,623
Census Tract 218.01 4,829 0.4 12,542
Census Tract 206 4,816 1.3 3,715
Census Tract 428 4,758 0.9 5,092
Census Tract 217.02 4,754 0.1 31,725
Census Tract 505 4,714 2.5 1,922
Census Tract 2104.01 4,558 0.6 7,102
Census Tract 431 4,551 2.4 1,874
Census Tract 2104.02 4,517 1.9 2,362
Census Tract 552 4,510 6.4 708
Census Tract 103 4,499 3.7 1,223
Census Tract 303 4,478 3.2 1,391
Census Tract 2452 4,477 7.3 610
Census Tract 2402 4,467 18.0 249
Census Tract 503.02 4,452 4.0 1,120
Census Tract 2051 4,411 3.5 1,273
Census Tract 101.01 4,400 12.2 361
Census Tract 212 4,336 0.9 4,798
Census Tract 443 4,326 1.5 2,869
Census Tract 2401 4,302 13.2 327
Census Tract 101.02 4,273 12.5 342
Census Tract 351.02 4,226 1.7 2,535
Census Tract 207 4,187 2.2 1,877
Census Tract 353 4,163 5.1 822
Census Tract 451.01 4,137 7.6 544
Census Tract 502 4,083 1.9 2,182
Census Tract 2110 4,067 2.7 1,489
Census Tract 501 4,058 3.3 1,234
Census Tract 445 4,049 0.5 8,885
Census Tract 222.02 4,046 0.3 13,534
Census Tract 442 4,030 0.5 8,367
Census Tract 216.02 4,022 0.1 35,390
Census Tract 304 4,010 1.1 3,488
Census Tract 221.02 4,010 0.5 8,477
Census Tract 2001 4,006 1.9 2,158
Census Tract 201.02 3,998 0.2 21,143
Census Tract 426 3,994 1.1 3,536
Census Tract 503.01 3,964 2.8 1,408
Census Tract 2305.01 3,922 7.8 504
Census Tract 215.01 3,875 0.1 28,053
Census Tract 2107.02 3,872 0.5 8,006
Census Tract 2203 3,838 4.3 890
Census Tract 203.01 3,831 4.5 843
Census Tract 202 3,776 7.5 505
Census Tract 2112.01 3,750 0.9 4,288
Census Tract 301 3,739 4.3 879
Census Tract 214.02 3,731 0.4 9,190
Census Tract 425 3,699 2.4 1,537
Census Tract 216.01 3,674 0.2 20,139
Census Tract 204 3,650 3.6 1,006
Census Tract 437 3,622 0.4 10,150
Census Tract 210 3,619 0.8 4,752
Census Tract 446 3,587 1.3 2,867
Census Tract 441 3,586 0.4 10,203
Census Tract 222.01 3,578 0.1 24,186
Census Tract 221.01 3,564 0.2 22,477

Showing the 100 most populous of 145 — the rest are shown on the map.

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About this page

This page shows demographics for a US county from the 2020 census and the American Community Survey: population, land area, density, urban share, and how the county compares to national averages for income, housing, age, and more.

Counties subdivide into census tracts, listed below with their populations. The drive-time and radius tables measure the population around the county's main population center.

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