RANKING · 2025 ESTIMATES · 21 SHOWN OF 21

Most sparsely populated, Connecticut cities

Connecticut cities with the fewest residents per square mile (2025). This list covers the 21 cities in Connecticut that qualify, ranked against each other statewide. The median across all 21 is 3,193. Biggest climber in the top 100 since 2020: New London, CT, up 44 places to #16.

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ConnecticutAll statesPop > 5KAll rankings

SAME RANKING BYCounties States Metros

RELATEDLargest by population Fastest growing Fastest shrinking Most population gained Most population lost Most densely populated

YEAR1990 2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION DENSITYVS 2000

01▲3Torrington, CTCT35,796900+2%

02▲4Middletown, CTCT48,4391,181+12%

03▲8Shelton, CTCT42,8801,400+13%

04▲11Norwich, CTCT40,0011,425+11%

05▲24Naugatuck, CTCT32,2301,967+4%

06▲24Danbury, CTCT89,0332,118+19%

07▲28Milford, CTCT51,2152,338+1%

08▲26Bristol, CTCT62,3412,361+4%

09▲29Derby, CTCT12,9252,556+4%

10▲31Meriden, CTCT60,8102,562+4%

11▲36Ansonia, CTCT19,2163,193+4%

12▲34Groton, CTCT10,1603,295+1%

13▲39Stamford, CTCT139,5353,708+19%

14▲42Waterbury, CTCT115,7714,054+8%

15▲40Norwalk, CTCT94,5084,130+14%

16▲44New London, CTCT28,0034,994+9%

17▲44West Haven, CTCT55,3515,149+6%

18▲44New Britain, CTCT76,2865,695+7%

19▲44Hartford, CTCT121,9817,0190%

20▲44New Haven, CTCT138,7747,425+12%

21▲44Bridgeport, CTCT152,2739,479+9%

SHOWING 1–21 OF 21

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU POPULATION ESTIMATES