Lake
- Ainsworth
- Belshaw
- Cedar Lake
- Creston
- Crown Point
- Deep River
- Deer Creek
- Dinwiddie
- Dyer
- East Chicago
- Gary
- Green Acres
- Griffith
- Hammond
- Hawthorne Hills
- Highland
- Hobart
- Klaasville
- Kreitzburg
- Lake Dalecarlia
- Lake Hills
- Lake Station
- Lakes of the Four Seasons
- Leroy
- Liberty Park
- Liverpool
- Lowell
- Merrillville
- Munster
- New Chicago
- New Elliott
- North Hayden
- Orchard Grove
- Palmer
- Range Line
- Rolling Hill Estates
- Ross
- Schererville
- Schneider
- Shady Lawn
- Shelby
- Southeast Grove
- Southmoor Park
- St. John
- Van Loon
- Wald View
- Whiting
- Winfield
- Woodmar