Connecticut Population By County in 2022

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2022, the population of Connecticut was 3,608,706. Among all Connecticut counties, Capitol Planning Region had the highest population (972,068), followed by Western Connecticut Planning Region (622,857), and South Central Connecticut Planning Region (568,402). Northeastern Connecticut Planning Region was the least populated county (96,148).

Hover over or click on the counties in the map below to see the populations. The data can also be found in a table below. You can use the table to sort, filter, and explore the data further.

You can see similar information for other states and by state for the United States.

See this for other years:
Connecticut Population By County in 2022
Connecticut Population By County in 2022
Items per page:
0 of 0
County Population % of State Population
Capitol Planning Region 972068 26.94
Greater Bridgeport Planning Region 327125 9.07
Lower Connecticut River Valley Planning Region 175982 4.88
Naugatuck Valley Planning Region 453590 12.57
Northeastern Connecticut Planning Region 96148 2.66
Northwest Hills Planning Region 113277 3.14
South Central Connecticut Planning Region 568402 15.75
Southeastern Connecticut Planning Region 279257 7.74
Western Connecticut Planning Region 622857 17.26