1920
County Total: 336,027
- Hartford (city) 138,036
- New Britain (city) 59,316
- Bristol (city) 20,620
- Manchester 18,370
- Enfield 11,719
- East Hartford 11,648
- West Hartford 8,854
- Southington 8,440
- Windsor 5,620
- Glastonbury 5,592
- Wethersfield 4,342
- Berlin 4,298
- Plainville 4,114
- Suffield 4,070
- Farmington 3,844
- East Windsor 3,741
- Windsor Locks 3,554
- Simsbury 2,958
- Canton 2,549
- Bloomfield 2,394
- Newington 2,381
- South Windsor 2,142
- Rocky Hill 1,633
- Avon 1,534
- Granby 1,342
- Burlington 1,109
- East Granby 1,056
- Hartland 448
- Marlborough 303
Read more about this topic: Historical United States Census Totals For Hartford County, Connecticut