List of all settlements:
- Alburnett, Linn
- Bertram, Linn
- Blue Mound, Linn
- Brookfield, Linn
- Browning, Linn
- Brownsville, Linn
- Bucklin, Linn
- Cascadia, Linn
- Cedar Rapids, Linn
- Center Point, Linn
- Central City, Linn
- Coggon, Linn
- Crabtree, Linn
- Crawfordsville, Linn
- Ely, Linn
- Fairfax, Linn
- Gates, Linn
- Halsey, Linn
- Harrisburg, Linn
- Hiawatha, Linn
- Holley, Linn
- Idanha, Linn
- La Cygne, Linn
- Laclede, Linn
- Lacomb, Linn
- Lebanon, Linn
- Linn Valley, Linn
- Linneus, Linn
- Lisbon, Linn
- Lyons, Linn
- Marceline, Linn
- Marion, Linn
- Meadville, Linn
- Mill City, Linn
- Millersburg, Linn
- Mound City, Linn
- Mount Vernon, Linn
- Palo, Linn
- Parker, Linn
- Pleasanton, Linn
- Prairieburg, Linn
- Prescott, Linn
- Purdin, Linn
- Robins, Linn
- Scio, Linn
- Shedd, Linn
- Sodaville, Linn
- South Lebanon, Linn
- Springville, Linn
- Sweet Home, Linn
- Tangent, Linn
- Walker, Linn
- Waterloo, Linn
- West Scio, Linn