List of all settlements:
- Adams, Jefferson
- Adams Center, Jefferson
- Adamsville, Jefferson
- Addington, Jefferson
- Adena, Jefferson
- Alexandria Bay, Jefferson
- Altheimer, Jefferson
- Amsterdam, Jefferson
- Anchorage, Jefferson
- Antwerp, Jefferson
- Applewood, Jefferson
- Arnold, Jefferson
- Arvada, Jefferson
- Aspen Park, Jefferson
- Aucilla, Jefferson
- Audubon Park, Jefferson
- Avera, Jefferson
- Avondale, Jefferson
- Bancroft, Jefferson
- Baneberry, Jefferson
- Barataria, Jefferson
- Barbourmeade, Jefferson
- Barnhart, Jefferson
- Bartow, Jefferson
- Basin, Jefferson
- Batavia, Jefferson
- Beaumont, Jefferson
- Beechwood Village, Jefferson
- Belle Rive, Jefferson
- Bellemeade, Jefferson
- Belleville, Jefferson
- Bellewood, Jefferson
- Bergholz, Jefferson
- Bessemer, Jefferson
- Bevil Oaks, Jefferson
- Big Run, Jefferson
- Black River, Jefferson
- Bloomingdale, Jefferson
- Blue Ridge Manor, Jefferson
- Bluford, Jefferson
- Bolivar, Jefferson
- Bonnie, Jefferson
- Boulder, Jefferson
- Bow Mar, Jefferson
- Briarwood, Jefferson
- Bridge City, Jefferson
- Brighton, Jefferson
- Brilliant, Jefferson
- Brinnon, Jefferson
- Brockway, Jefferson
- Broeck Pointe, Jefferson
- Brookside, Jefferson
- Brookville, Jefferson
- Brownsboro Farm, Jefferson
- Brownsboro Village, Jefferson
- Brownville, Jefferson
- Byrnes Mill, Jefferson
- Calcium, Jefferson
- Cambridge, Jefferson
- Camp Sherman, Jefferson
- Cape Vincent, Jefferson
- Carthage, Jefferson
- Cedar Hill, Jefferson
- Cedar Hill Lakes, Jefferson
- Center Point, Jefferson
- Central Gardens, Jefferson
- Centralia, Jefferson
- Charles Town, Jefferson
- Chaumont, Jefferson
- China, Jefferson
- Clancy, Jefferson
- Clayton, Jefferson
- Coldstream, Jefferson
- Columbine, Jefferson
- Concord, Jefferson
- Cornish, Jefferson
- Corsica, Jefferson
- Creekside, Jefferson
- Crenshaw, Jefferson
- Crossgate, Jefferson
- Crystal City, Jefferson
- Culver, Jefferson
- Dakota Ridge, Jefferson
- Dandridge, Jefferson
- Daykin, Jefferson
- De Soto, Jefferson
- Deferiet, Jefferson
- Depauville, Jefferson
- Dexter, Jefferson
- Diller, Jefferson
- Dillonvale, Jefferson
- Dix, Jefferson
- Douglass Hills, Jefferson
- Druid Hills, Jefferson
- Dupont, Jefferson
- East Pleasant View, Jefferson
- Edgewater, Jefferson
- Edgewater, Jefferson
- Ellisburg, Jefferson
- Elmwood, Jefferson
- Empire, Jefferson
- Endicott, Jefferson
- Estelle, Jefferson
- Evans Mills, Jefferson
- Evergreen, Jefferson
- Fairbury, Jefferson
- Fairfield, Jefferson
- Fairfield, Jefferson
- Fairmount, Jefferson
- Fannett, Jefferson
- Fayette, Jefferson
- Felts Mills, Jefferson
- Festus, Jefferson
- Fincastle, Jefferson
- Forest Hills, Jefferson
- Forestdale, Jefferson
- Fort Atkinson, Jefferson
- Fort Drum, Jefferson
- Fultondale, Jefferson
- Gardendale, Jefferson
- Genesee, Jefferson
- Glen Park, Jefferson
- Glenview, Jefferson
- Glenview Hills, Jefferson
- Glenview Manor, Jefferson
- Golden, Jefferson
- Goose Creek, Jefferson
- Grand Isle, Jefferson
- Grantville, Jefferson
- Graymoor-Devondale, Jefferson
- Grayson Valley, Jefferson
- Graysville, Jefferson
- Great Bend, Jefferson
- Green Spring, Jefferson
- Gretna, Jefferson
- Groves, Jefferson
- Hanover, Jefferson
- Harahan, Jefferson
- Harpers Ferry, Jefferson
- Harvey, Jefferson
- Hastings, Jefferson
- Hebron, Jefferson
- Helenville, Jefferson
- Henderson, Jefferson
- Herculaneum, Jefferson
- Heritage Creek, Jefferson
- Heritage Creek, Jefferson
- Hickory Hill, Jefferson
- High Ridge, Jefferson
- Hills and Dales, Jefferson
- Hillsboro, Jefferson
- Hollow Creek, Jefferson
- Hollyvilla, Jefferson
- Homewood, Jefferson
- Horine, Jefferson
- Houston Acres, Jefferson
- Hueytown, Jefferson
- Humphrey, Jefferson
- Hurstbourne, Jefferson
- Hurstbourne Acres, Jefferson
- Idledale, Jefferson
- Imperial, Jefferson
- Ina, Jefferson
- Indian Hills, Jefferson
- Indian Hills, Jefferson
- Irondale, Jefferson
- Irondale, Jefferson
- Ixonia, Jefferson
- Jansen, Jefferson
- Jean Lafitte, Jefferson
- Jefferson, Jefferson
- Jefferson, Jefferson
- Jefferson City, Jefferson
- Jefferson City, Jefferson
- Jeffersontown, Jefferson
- Johnson Creek, Jefferson
- Ken Caryl, Jefferson
- Kenner, Jefferson
- Kimberly, Jefferson
- Kimmswick, Jefferson
- Kingsley, Jefferson
- Kittredge, Jefferson
- La Fargeville, Jefferson
- LaBarque Creek, Jefferson
- Lafitte, Jefferson
- Lake Koshkonong, Jefferson
- Lake Mills, Jefferson
- Lake Ripley, Jefferson
- Lake Tekakwitha, Jefferson
- Lakewood, Jefferson
- Lamont, Jefferson
- Langdon Place, Jefferson
- Lewisville, Jefferson
- Libertyville, Jefferson
- Lincolnshire, Jefferson
- Lipscomb, Jefferson
- Lloyd, Jefferson
- Lockridge, Jefferson
- Lorraine, Jefferson
- Louisville, Jefferson
- Louisville, Jefferson
- Lyndon, Jefferson
- Lynnview, Jefferson
- Madison, Jefferson
- Madras, Jefferson
- Mannsville, Jefferson
- Manor Creek, Jefferson
- Marrero, Jefferson
- Marrowstone, Jefferson
- Maryhill Estates, Jefferson
- Matthews, Jefferson
- Maytown, Jefferson
- McDonald Chapel, Jefferson
- McLouth, Jefferson
- Meadow Vale, Jefferson
- Meadowbrook Farm, Jefferson
- Meadowview Estates, Jefferson
- Menan, Jefferson
- Meriden, Jefferson
- Metairie, Jefferson
- Metolius, Jefferson
- Middletown, Jefferson
- Middleway, Jefferson
- Midfield, Jefferson
- Mingo Junction, Jefferson
- Minor, Jefferson
- Mockingbird Valley, Jefferson
- Montana City, Jefferson
- Monticello, Jefferson
- Moorland, Jefferson
- Morris, Jefferson
- Morrison, Jefferson
- Mount Olive, Jefferson
- Mount Pleasant, Jefferson
- Mount Vernon, Jefferson
- Mountain Brook, Jefferson
- Mountain View, Jefferson
- Mud Lake, Jefferson
- Mulga, Jefferson
- Murphy, Jefferson
- Murray Hill, Jefferson
- Nason, Jefferson
- Natural Bridge, Jefferson
- Nederland, Jefferson
- New Alexandria, Jefferson
- New Market, Jefferson
- Nome, Jefferson
- Norbourne Estates, Jefferson
- North Johns, Jefferson
- Northfield, Jefferson
- Nortonville, Jefferson
- Norwood, Jefferson
- Old Brownsboro Place, Jefferson
- Olympian Village, Jefferson
- Opdyke, Jefferson
- Oskaloosa, Jefferson
- Oxbow, Jefferson
- Ozawkie, Jefferson
- Packwood, Jefferson
- Palmyra, Jefferson
- Pamelia Center, Jefferson
- Parkdale, Jefferson
- Parkway Village, Jefferson
- Perry, Jefferson
- Pevely, Jefferson
- Philadelphia, Jefferson
- Pierrepont Manor, Jefferson
- Pine Bluff, Jefferson
- Pinson, Jefferson
- Plantation, Jefferson
- Pleasant Grove, Jefferson
- Plessis, Jefferson
- Plymouth, Jefferson
- Poplar Hills, Jefferson
- Port Arthur, Jefferson
- Port Hadlock-Irondale, Jefferson
- Port Ludlow, Jefferson
- Port Neches, Jefferson
- Port Townsend, Jefferson
- Pottery Addition, Jefferson
- Punxsutawney, Jefferson
- Quilcene, Jefferson
- Rader Creek, Jefferson
- Ranson, Jefferson
- Rayland, Jefferson
- Redfield, Jefferson
- Redwood, Jefferson
- Reynoldsville, Jefferson
- Richlawn, Jefferson
- Richmond, Jefferson
- Rigby, Jefferson
- Ringling, Jefferson
- Ririe, Jefferson
- River Ridge, Jefferson
- Riverwood, Jefferson
- Roberts, Jefferson
- Rock Creek, Jefferson
- Rodman, Jefferson
- Rolling Fields, Jefferson
- Rolling Hills, Jefferson
- Rome, Jefferson
- Ryan, Jefferson
- Scotsdale, Jefferson
- Seneca Gardens, Jefferson
- Shannondale, Jefferson
- Shenandoah Junction, Jefferson
- Shepherdstown, Jefferson
- Shively, Jefferson
- Smithfield, Jefferson
- South Hills, Jefferson
- Spring Mill, Jefferson
- Spring Valley, Jefferson
- St. Matthews, Jefferson
- St. Regis Park, Jefferson
- Stapleton, Jefferson
- Steubenville, Jefferson
- Strathmoor Manor, Jefferson
- Strathmoor Village, Jefferson
- Stratton, Jefferson
- Sullivan, Jefferson
- Sulphur Springs, Jefferson
- Summerville, Jefferson
- Sycamore, Jefferson
- Sykesville, Jefferson
- Sylvan Springs, Jefferson
- Tarrant, Jefferson
- Taylor Landing, Jefferson
- Ten Broeck, Jefferson
- Terral, Jefferson
- Terrytown, Jefferson
- Theresa, Jefferson
- Thornhill, Jefferson
- Three Mile Bay, Jefferson
- Tiltonsville, Jefferson
- Timberlane, Jefferson
- Timblin, Jefferson
- Toronto, Jefferson
- Trafford, Jefferson
- Valley Falls, Jefferson
- Vestavia Hills, Jefferson
- Wabbaseka, Jefferson
- Wacissa, Jefferson
- Wadley, Jefferson
- Waggaman, Jefferson
- Waltonville, Jefferson
- Warm Springs, Jefferson
- Warrior, Jefferson
- Waterloo, Jefferson
- Watertown, Jefferson
- Watterson Park, Jefferson
- Waukeenah, Jefferson
- Waurika, Jefferson
- Wellington, Jefferson
- West Buechel, Jefferson
- West Carthage, Jefferson
- West Jefferson, Jefferson
- West Pleasant View, Jefferson
- Westminster, Jefferson
- Westwego, Jefferson
- Westwood, Jefferson
- Wheat Ridge, Jefferson
- White Hall, Jefferson
- Whitehall, Jefferson
- Wildwood, Jefferson
- Winchester, Jefferson
- Windy Hills, Jefferson
- Wintersville, Jefferson
- Woodland Hills, Jefferson
- Woodlawn, Jefferson
- Woodlawn Park, Jefferson
- Woodmere, Jefferson
- Worthington Hills, Jefferson
- Wrens, Jefferson
- Yorkville, Jefferson