List of all settlements:
- Amanda, Fairfield
- Baltimore, Fairfield
- Bethel, Fairfield
- Blythewood, Fairfield
- Bremen, Fairfield
- Bridgeport, Fairfield
- Byram, Fairfield
- Cannondale, Fairfield
- Carroll, Fairfield
- Cos Cob, Fairfield
- Danbury, Fairfield
- Darien, Fairfield
- Fairfield Beach, Fairfield
- Georgetown, Fairfield
- Glenville, Fairfield
- Greenwich, Fairfield
- Lancaster, Fairfield
- Lithopolis, Fairfield
- Millersport, Fairfield
- Newtown, Fairfield
- Norwalk, Fairfield
- Old Greenwich, Fairfield
- Pemberwick, Fairfield
- Pleasantville, Fairfield
- Ridgefield, Fairfield
- Ridgeway, Fairfield
- Riverside, Fairfield
- Rushville, Fairfield
- Shelton, Fairfield
- Southport, Fairfield
- Stamford, Fairfield
- Stoutsville, Fairfield
- Stratford, Fairfield