South Connecticut Cities

31 cities

City	Rank	County	2025 Pop. ↓
New Haven	1	South Central CT Planning Region	139,624
Hamden	2	South Central CT Planning Region	61,609
Meriden	3	South Central CT Planning Region	60,905
West Haven	4	South Central CT Planning Region	55,335
Middletown	5	Lower CT River Valley Planning Region	49,026
Wallingford	6	South Central CT Planning Region	44,520
Branford	7	South Central CT Planning Region	28,669
East Haven	8	South Central CT Planning Region	28,172
North Haven	9	South Central CT Planning Region	25,271
Guilford	10	South Central CT Planning Region	22,375
Madison	11	South Central CT Planning Region	17,793
Orange	12	South Central CT Planning Region	14,462
Cromwell	13	Lower CT River Valley Planning Region	14,402
North Branford	14	South Central CT Planning Region	13,602
Clinton	15	Lower CT River Valley Planning Region	13,485
East Hampton	16	Lower CT River Valley Planning Region	13,192
Old Saybrook	17	Lower CT River Valley Planning Region	10,756
Portland	18	Lower CT River Valley Planning Region	9,503
Woodbridge	19	South Central CT Planning Region	9,197
East Haddam	20	Lower CT River Valley Planning Region	9,106
Haddam	21	Lower CT River Valley Planning Region	8,815
Old Lyme	22	Lower CT River Valley Planning Region	7,733
Durham	23	Lower CT River Valley Planning Region	7,237
Westbrook	24	Lower CT River Valley Planning Region	6,934
Essex	25	Lower CT River Valley Planning Region	6,860
Killingworth	26	Lower CT River Valley Planning Region	6,298
Bethany	27	South Central CT Planning Region	5,348
Deep River	28	Lower CT River Valley Planning Region	4,498
Middlefield	29	Lower CT River Valley Planning Region	4,281
Chester	30	Lower CT River Valley Planning Region	3,752
Lyme	31	Lower CT River Valley Planning Region	2,425

About South Connecticut

South Central CT Planning Region and Lower CT River Valley Planning Region are the counties generally considered part of South Connecticut.

Sources

City and Town Population Totals: 2020-2024