South Connecticut Cities

City	Rank	County	2026 Pop. ↓
New Haven	1	South Central Connecticut Planning Region	140,916
Hamden	2	South Central Connecticut Planning Region	61,729
Meriden	3	South Central Connecticut Planning Region	60,871
West Haven	4	South Central Connecticut Planning Region	55,318
Middletown	5	Lower Connecticut River Valley Planning Region	48,812
Wallingford	6	South Central Connecticut Planning Region	44,395
Branford	7	South Central Connecticut Planning Region	28,985
East Haven	8	South Central Connecticut Planning Region	27,886
North Haven	9	South Central Connecticut Planning Region	24,792
Guilford	10	South Central Connecticut Planning Region	22,382
Madison	11	South Central Connecticut Planning Region	17,766
Orange	12	South Central Connecticut Planning Region	14,392
Cromwell	13	Lower Connecticut River Valley Planning Region	14,347
North Branford	14	South Central Connecticut Planning Region	13,545
Clinton	15	Lower Connecticut River Valley Planning Region	13,440
East Hampton	16	Lower Connecticut River Valley Planning Region	13,192
Old Saybrook	17	Lower Connecticut River Valley Planning Region	10,716
Portland	18	Lower Connecticut River Valley Planning Region	9,445
Woodbridge	19	South Central Connecticut Planning Region	9,207
Haddam	20	Lower Connecticut River Valley Planning Region	9,106
East Haddam	21	Lower Connecticut River Valley Planning Region	9,054
Old Lyme	22	Lower Connecticut River Valley Planning Region	7,721
Durham	23	Lower Connecticut River Valley Planning Region	7,201
Westbrook	24	Lower Connecticut River Valley Planning Region	6,921
Essex	25	Lower Connecticut River Valley Planning Region	6,818
Killingworth	26	Lower Connecticut River Valley Planning Region	6,291
Bethany	27	South Central Connecticut Planning Region	5,333
Deep River	28	Lower Connecticut River Valley Planning Region	4,465
Middlefield	29	Lower Connecticut River Valley Planning Region	4,286
Chester	30	Lower Connecticut River Valley Planning Region	3,721
Lyme	31	Lower Connecticut River Valley Planning Region	2,420

City

Rank

County

2026 Pop. ↓

New Haven

South Central Connecticut Planning Region

140,916

Hamden

South Central Connecticut Planning Region

61,729

Meriden

South Central Connecticut Planning Region