South Connecticut Cities

31 cities

City	Rank	County	2026 Pop. ↓
New Haven	1	South Central CT Planning Region	141,686
Hamden	2	South Central CT Planning Region	61,708
Meriden	3	South Central CT Planning Region	60,962
West Haven	4	South Central CT Planning Region	55,292
Middletown	5	Lower CT River Valley Planning Region	49,436
Wallingford	6	South Central CT Planning Region	44,651
Branford	7	South Central CT Planning Region	28,890
East Haven	8	South Central CT Planning Region	28,391
North Haven	9	South Central CT Planning Region	25,698
Guilford	10	South Central CT Planning Region	22,486
Madison	11	South Central CT Planning Region	17,898
Orange	12	South Central CT Planning Region	14,493
Cromwell	13	Lower CT River Valley Planning Region	14,416
North Branford	14	South Central CT Planning Region	13,653
Clinton	15	Lower CT River Valley Planning Region	13,503
East Hampton	16	Lower CT River Valley Planning Region	13,275
Old Saybrook	17	Lower CT River Valley Planning Region	10,823
Portland	18	Lower CT River Valley Planning Region	9,528
Woodbridge	19	South Central CT Planning Region	9,264
East Haddam	20	Lower CT River Valley Planning Region	9,151
Haddam	21	Lower CT River Valley Planning Region	8,824
Old Lyme	22	Lower CT River Valley Planning Region	7,745
Durham	23	Lower CT River Valley Planning Region	7,244
Westbrook	24	Lower CT River Valley Planning Region	6,950
Essex	25	Lower CT River Valley Planning Region	6,873
Killingworth	26	Lower CT River Valley Planning Region	6,312
Bethany	27	South Central CT Planning Region	5,372
Deep River	28	Lower CT River Valley Planning Region	4,513
Middlefield	29	Lower CT River Valley Planning Region	4,288
Chester	30	Lower CT River Valley Planning Region	3,756
Lyme	31	Lower CT River Valley Planning Region	2,429

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