Connecticut has numerous agricultural or county fairs every year, six of which date back to the 1800s. The oldest is the Brooklyn Fair that dates to the founding of the Pomfret United Agricultural Society (1809), now the Windham County Agricultural Society. The next two oldest fairs in the State of Connecticut are the Four Town Fair (1837), and the Harwinton Fair (1856).
Following are the annual agricultural and county fairs in the State of Connecticut:
| Month | Fair | Location |
|---|---|---|
| July | North Stonington Agricultural Fair | North Stonington, CT |
| August | Brooklyn Fair | Brooklyn, CT |
| August | Chester Fair | Chester, CT |
| August | Lebanon Country Fair | Lebanon, CT |
| August | Terryville Lions Country Fair | Terryville, CT |
| August | Wolcott Country Fair | Wolcott, CT |
| September | Berlin Fair | East Berlin, CT |
| September | Bethlehem Fair | Bethlehem, CT |
| September | Durham Fair | Durham, CT |
| September | Four Town Fair | Somers, CT |
| September | Goshen Fair | Goshen, CT |
| September | Guilford Agricultural Fair | Guilford, CT |
| September | Haddam Neck Fair | Haddam Neck, CT |
| September | Hebron Harvest Fair | Hebron, CT |
| September | North Haven Fair | North Haven, CT |
| September | Orange Country Fair | Orange, CT |
| September | Woodstock Fair | South Woodstock, CT |
| October | Harwinton Fair | Harwinton, CT |
| October | Portland Fair | Portland, CT |
