1940
County Total: 450,189
- Hartford (city) 166,267
- New Britain (city) 68,685
- West Hartford 33,776
- Bristol (city) 30,167
- Manchester 23,799
- East Hartford 18,615
- Enfield 13,561
- Windsor 10,068
- Southington 9,649
- Wethersfield 9,644
- Plainville 6,935
- Glastonbury 6,632
- Newington 5,449
- Farmington 5,313
- Berlin 5,230
- Suffield 4,475
- Windsor Locks 4,347
- Bloomfield 4,309
- East Windsor 3,967
- Simsbury 3,941
- South Windsor 2,863
- Canton 2,769
- Rocky Hill 2,679
- Avon 2,258
- Granby 1,544
- Burlington 1,246
- East Granby 1,225
- Marlborough 476
- Hartland 300
Read more about this topic: Historical United States Census Totals For Hartford County, Connecticut