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Lower Connecticut River Valley Planning Region, CT Demographics

Lower Connecticut River Valley Planning Region, CT is the 7th most populous of 9 counties in Connecticut, with 173,868 residents across 408 square miles. That is about 426 people per square mile.

At the 2020 census

Population 173,868
Land area 408 sq mi
Density 426 / sq mi

Data: 2020 Census · American Community Survey 2024

How Lower Connecticut River Valley 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: Lower Connecticut River Valley 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 Lower Connecticut River Valley Planning Region, CT — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.

Census tracts in Lower Connecticut River Valley Planning Region, CT

Name Population Sq mi Per sq mi
Census Tract 5851 7,150 22.9 312
Census Tract 6802 6,489 17.2 378
Census Tract 6401 6,194 34.0 182
Census Tract 5601 5,791 18.2 317
Census Tract 5703 5,783 4.9 1,191
Census Tract 5501 5,760 11.5 501
Census Tract 6702 5,665 5.0 1,139
Census Tract 5414.02 5,658 3.1 1,830
Census Tract 5412 5,363 3.3 1,609
Census Tract 5951.02 5,299 19.8 267
Census Tract 5701 5,040 3.3 1,519
Census Tract 6701 4,739 9.5 501
Census Tract 5901.02 4,531 22.1 205
Census Tract 5420 4,465 1.6 2,871
Census Tract 6201 4,400 13.3 331
Census Tract 5801 4,229 12.3 345
Census Tract 6301.01 4,179 6.2 670
Census Tract 6103 4,153 6.3 658
Census Tract 5413.02 4,057 0.4 9,500
Census Tract 5901.01 3,918 19.5 200
Census Tract 5502.01 3,904 12.2 321
Census Tract 6001 3,762 15.1 249
Census Tract 6102 3,662 3.1 1,168
Census Tract 5417 3,629 0.7 5,391
Census Tract 5602 3,585 2.2 1,631
Census Tract 6801.02 3,571 3.8 929
Census Tract 5951.01 3,567 32.7 109
Census Tract 5421 3,552 1.8 1,996
Census Tract 5702 3,470 2.3 1,518
Census Tract 6601.01 3,413 9.4 365
Census Tract 5415 3,339 0.5 7,380
Census Tract 5414.01 3,298 8.2 404
Census Tract 6104 3,204 4.6 690
Census Tract 6801.01 3,173 11.6 274
Census Tract 5502.02 3,060 9.9 309
Census Tract 6601.03 2,774 7.9 353
Census Tract 5411 2,599 0.6 4,563
Census Tract 6301.02 2,546 3.9 656
Census Tract 6501 2,347 28.6 82
Census Tract 6101 2,155 1.8 1,186
Census Tract 5413.01 2,067 0.4 5,738
Census Tract 5422 1,635 1.5 1,123
Census Tract 5416 1,518 0.2 7,605
Census Tract 6601.04 1,441 3.7 386

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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.

Read how BlockAtlas computes population within an area →