- Macedonia
- Machesney Park
- Mackinaw
- Mackinaw Township
- Macomb
- Macomb Township
- Macomb City
- Macon
- Madison
- Maeystown
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- Mahomet Township
- Mahomet
- Maine
- Makanda Township
- Makanda
- Makanda
- Malta Township
- Malta
- Manchester
- Manhattan
- Manhattan Township
- Manito
- Manito Township
- Manlius
- Mansfield
- Manteno Township
- Manteno
- Maple Park
- Mapleton
- Maquon Township
- Maquon
- Marengo
- Marengo Township
- Marine
- Marine Township
- Marion
- Marion
- Marion
- Marissa
- Marissa Township
- Markham
- Markham
- Maroa
- Maroa Township
- Marquette Heights
- Marrowbone
- Marseilles
- Marshall
- Marshall Township
- Martin
- Martin
- Martinsville township
- Martinsville
- Martinton
- Martinton Township
- Maryland
- Maryville
- Mascoutah
- Mascoutah township
- Mason Township
- Mason
- Mason City
- Mason City Township
- Matteson
- Mattoon Township
- Mattoon
- May
- May
- Mayfield
- Maywood
- Mazon Township
- Mazon
- McClellan
- McClure
- McClure Precinct
- McCullom Lake
- McFarlan
- McHenry township
- McHenry
- McLean
- McLeansboro
- McLeansboro Township
- Mechanicsburg Township
- Mechanicsburg
- Medina
- Medora
- Medora
- Melrose
- Melrose Park
- Melvin
- Mendon Township
- Mendon
- Mendota
- Mendota township
- Menominee Township
- Mercer
- Meredosia
- Meredosia No. 1
- Meredosia No. 2
- Merrionette Park
- Metamora
- Metamora township
- Metropolis
- Metropolis No. 1
- Metropolis No. 2
- Metropolis No. 3
- Metropolis No. 4
- Mettawa
- Middlefork
- Middleport
- Middletown
- Midlothian
- Milan
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- Milford Township
- Mill Creek Precinct
- Milledgeville
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- Millington
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- Millstadt
- Milton
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- Minonk Township
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- Mission
- Mississippi
- Mitchell
- Modesto
- Mokena
- Moline
- Momence
- Momence township
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- Monee
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- Monroe Center
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- Montgomery
- Montgomery
- Montgomery
- Monticello Township
- Monticello
- Montmorency
- Montrose
- Moraine
- Morgan
- Moro
- Moro township
- Morris
- Morrison
- Morrisonville
- Morton Township
- Morton
- Morton Grove
- Mound
- Mound Station
- Mounds precinct
- Mounds
- Mount Auburn Township
- Mt Carmel
- Mount Carmel Precinct
- Mt Carroll
- Mount Carroll township
- Mount Hope
- Mount Morris Township
- Mt Morris
- Mt Olive Township
- Mt Olive
- Mount Pleasant
- Mt Prospect
- Mount Pulaski Township
- Mt Pulaski
- Mount Sterling Township
- Mt Sterling
- Mt Vernon
- Mount Vernon Township
- Mt Zion
- Mount Zion Township
- Moweaqua
- Moweaqua township
- Mulberry Grove Township
- Mulberry Grove
- Mulkeytown
- Mundelein
- Murphysboro Township
- Murphysboro
- Murrayville
- Murrayville precinct
Illinois Homes for sale & real estate cities starting with "M"
Illinois Cities starting With "M"
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