South Connecticut Cities

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

City

Rank

County

2026 Pop. ↓

New Haven

South Central Connecticut Planning Region

141,686

Hamden

South Central Connecticut Planning Region

61,708

Meriden

South Central Connecticut Planning Region