| Town / County |
Town / County |
Town / County |
| Macedonia / Pottawattamie |
Maceville / Lucas |
Mackey / Boone |
| Mackey's Grove / Boone |
Macks / Carroll |
Macksburg / Madison |
| Macksville / Guthrie |
Maclay / Clay |
Macuta / Lee |
| Macy / Hardin |
Madison / Jones |
Madison / Lee |
| Madrid / Boone |
Magill / Harrison |
Magnolia / Harrison |
| Mahaska / Mahaska |
Mahern / Johnson |
Maida / Guthrie |
| Main / Appanoose |
Makee / Allamakee |
Malcom / Poweshiek |
| Mallard / Palo Alto |
Mallory / Shelby |
Malone / Clinton |
| Maloy / Ringgold |
Malta / Marshall |
Malton / Plymouth |
| Malvern / Mills |
Mammen / Plymouth |
Manatheka / Benton |
| Manchester / Adair |
Manchester / Allamakee |
Manchester / Delaware |
| Mangoldville / Delaware |
Manhattan / Dickinson |
Manhattan / Keokuk |
| Manilla / Crawford |
Manly / Worth |
Manning / Carroll |
| Mansfield / Lucas |
Manson / Calhoun |
Manteno / Shelby |
| Manti / Fremont |
Mantua / Monroe |
Maple / Cherokee |
| Maple / Mahaska |
Maple / Monroe |
Maple Grove / Madison |
| Maple Hill / Emmet |
Maple Landing / Monona |
Maple Leaf / Howard |
| Maple River / Carroll |
Mapleton / Monona |
Mapleville / Chickasaw |
| Maquoketa / Jackson |
Marathon / Buena Vista |
Marathon / Shelby |
| Marble Rock / Floyd |
Marcellus / Washington |
Marcus / Cherokee |
| Marcy / Boone |
Mardensville / Appanoose |
Marena / Ringgold |
| Marengo / Iowa |
Marietta / Marshall |
Mariner's Hope / Allamakee |
| Marion / Hamilton |
Marion / Linn |
Marion / Wapello |
| Mark / Davis |
Markers / Cass |
Marley Junction / Worth |
| Marne / Cass |
Marquette / Clayton |
Marsh / Louisa |
| Marshall / Henry |
Marshall / Marshall |
Marshall / Ringgold |
| Marshalltown / Marshall |
Marshalltown / Ringgold |
Marshfield / Jones |
| Marshhfield / Dubuque |
Martelle / Jones |
Martensdale / Warren |
| Marten's Ranch / Harrison |
Martins / Scott |
Martinsburg / Bremer |
| Martinsburg / Davis |
Martinsburg / Keokuk |
Martinsville / Davis |
| Marvin / Pocahontas |
Marysville / Benton |
Marysville / Marion |
| Marysville / Wapello |
Marysville / Winneshiek |
Marysville Junction / Marion |
| Mason / Keokuk |
Mason City / Cerro Gordo |
Mason City Junction / Cerro Gordo |
| Masonic Grove / Cerro Gordo |
Masonville / Delaware |
Massena / Cass |
| Massillon / Cedar |
Massilon / Fayette |
Matlock / Sioux |
| Maud / Allamakee |
Maudville / Butler |
Maulsby / Marshall |
| Maunch Chunk / Mahaska |
Maurice / Sioux |
Max / O'Brien |
| Maxfield / Bremer |
Maxon / Monroe |
Maxwell / Story |
| May Bell / Sioux |
May City / Osceola |
Mayfield / Linn |
| Maynard / Fayette |
Maysville / Scott |
Maysville / Franklin |
| Mayview / Buena Vista |
McBride / Madison |
McCabes / Henry |
| McCallsburg / Story |
McCanta / Dubuque |
McCants / Dubuque |
| McCarverstown / Henry |
McCausland / Scott |
McChane / Black Hawk |
| McClelland / Pottawattamie |
McCloy / Sac |
McDevitt's Grove / Polk |
| McDill / Cass |
McDill / Union |
McGonigle / Linn |
| McGregor / Clayton |
McGregor's Landing / Clayton |
McGuire / Webster |
| McIntire / Mitchell |
McJunkin / Washington |
McKay / Dallas |
| McKey / Marion |
McKinley / Adair |
McKissick's Grove / Fremont |
| McKnight / Humboldt |
McKnight's Point / Humboldt |
McLaughlin's Creek / Webster |
| McNally / Sioux |
McPaul / Fremont |
McPherson / Madison |
| McPherson / Montgomery |
McVeigh / Van Buren |
Mead / Clinton |
| Meade / Page |
Meadows / Appanoose |
Mechanicsburg / Van Buren |
| Mechanicsburg / Wapello |
Mechanicsville / Cedar |
Mederville / Clayton |
| Medford / Warren |
Mediapolis / Des Moines |
Medora / Warren |
| Meeks Mills / Van Buren |
Meirotto / Lee |
Melbourne / Marshall |
| Melbourne / Plymouth |
Melcher / Marion |
Melcher-Dallas / Marion |
| Mellery / Dubuque |
Melpine / Muscatine |
Melrose / Monroe |
| Melrose / Grundy |
Melrose / Harrison |
Melrose / Lee |
| Melrose / Winneshiek |
Meltonville / Worth |
Melville / Audubon |
| Melville / Buena Vista |
Melvin / Osceola |
Memory / Taylor |
| Memphis / Appanoose |
Menlo / Adair |
Menlo / Guthrie |
| Mennon / Marion |
Menoti / Buena Vista |
Mentor / Bremer |
| Menzie / Franklin |
Mercer / Sac |
Mercer Center / Adams |
| Meriden / Cherokee |
Meroa / Mitchell |
Merrill / Plymouth |
| Merrill / Marion |
Merrimac / Jefferson |
Mertensville / Lee |
| Meservey / Cerro Gordo |
Methodist Camp / Dickinson |
Metz / Jasper |
| Meyer / Mitchell |
Miama / Monroe |
Mid Prairie / Louisa |
| Mid River / Johnson |
Middle Amana / Iowa |
Middle River / Madison |
| Middleburg / Washington |
Middlefield / Buchanan |
Middleport / Clarke |
| Middletown / Des Moines |
Middletown / Mahaska |
Middletown / Scott |
| Midland / Hardin |
Midland / Lyon |
Midland / Tama |
| Midland Junction / Clinton |
Midlothian / Wapello |
Midvale / Story |
| Midway / Boone |
Midway / Polk |
Midway / Woodbury |
| Mikesville / Hancock |
Milan / Keokuk |
Milan / Lucas |
| Miland / Keokuk |
Miles / Jackson |
Milford / Clarke |
| Milford / Decatur |
Milford / Dickinson |
Milford / Montgomery |
| Mill / Fayette |
Mill Grove / Fayette |
Mill Grove / Poweshiek |
| Millard / Appanoose |
Milledgeville / Appanoose |
Miller / Hancock |
| Miller / Polk |
Miller's / Dubuque |
Miller's Creek / Black Hawk |
| Miller's Hollow / Pottawattamie |
Milleray / Dubuque |
Millersburg / Iowa |
| Millerton / Wayne |
Millheim / Delaware |
Millman / Polk |
| Millnerville / Plymouth |
Millrock / Jackson |
Mills / Washington |
| Millville / Clayton |
Milo / Warren |
Milo / Delaware |
| Milton / Allamakee |
Milton / Jefferson |
Milton / Pocahontas |
| Milton / Van Buren |
Milton Station / Mills |
Minburn / Dallas |
| Minden / Pottawattamie |
Mineola / Mills |
Mineral Creek / Jones |
| Mineral Ridge / Boone |
Minerstown / Monroe |
Minerva (P.O.) / Marshall |
| Mingo / Jasper |
Minkler / Bremer |
Minnabrook / Plymouth |
| Minnie / Dickinson |
Missouri Valley / Harrison |
Mitchell / Mitchell |
| Mitchell / Polk |
Mitchellville / Polk |
Modale / Harrison |
| Moffitt's Grove / Guthrie |
Moingona / Boone |
Mona / Mitchell |
| Monat / Poweshiek |
Mondamin / Harrison |
Mondieu / Linn |
| Moneek / Winneshiek |
Moneta / Clay |
Moneta / O'Brien |
| Monetta / Union |
Moningers / Marshall |
Monmouth / Jackson |
| Monmouth / Butler |
Monona / Clayton |
Monroe / Jasper |
| Monroe / Jefferson |
Monroe / Johnson |
Monroe City / Jasper |
| Montacute / Polk |
Montana / Boone |
Monteith / Guthrie |
| Monterey / Davis |
Montezuma / Poweshiek |
Montezuma Junction / Poweshiek |
| Montgomery / Dickinson |
Montgomery / Wright |
Monti / Buchanan |
| Monticello / Jones |
Monticello / Tama |
Montour / Marshall |
| Montour / Tama |
Montpelier / Madison |
Montpelier / Muscatine |
| Montpelier / Warren |
Montrose / Lee |
Mooar / Lee |
| Moore / Poweshiek |
Mooreville / Tama |
Moorhead / Monona |
| Moorland / Webster |
Moran / Dallas |
Moravia / Appanoose |
| Morfordsville / Johnson |
Morgan / Crawford |
Morgan / Decatur |
| Morgan / Winneshiek |
Morgan Valley / Marion |
Morhain / Wright |
| Morham / Wright |
Moriah / Iowa |
Morley / Jones |
| Mormon Hill / Marshall |
Mormontown / Taylor |
Morning Side / Woodbury |
| Morning Sun / Louisa |
Morris / Woodbury |
Morrisburg / Guthrie |
| Morrison / Grundy |
Morristown / Jasper |
Morse / Johnson |
| Morsman / Page |
Mortimer / Ringgold |
Morton / Pottawattamie |
| Morton Mills / Montgomery |
Mosalem / Dubuque |
Moscow / Muscatine |
| Moscow / Wright |
Mosley / Calhoun |
Motor / Warren |
| Moulton / Appanoose |
Mount Algor / Jackson |
Mount Auburn / Benton |
| Mount Auburn / Polk |
Mount Ayr / Ringgold |
Mount Calvary / Davis |
| Mount Carmel / Carroll |
Mount Clara / Lee |
Mount Etna / Adams |
| Mount Gilead / Appanoose |
Mount Hamill / Lee |
Mount Hope / Delaware |
| Mount Hope / Jones |
Mount Hope / Sac |
Mount Joy / Scott |
| Mount Norris / Harrison |
Mount Olive / Mills |
Mount Pisgah / Union |
| Mount Pleasant / Henry |
Mount Sterling / Van Buren |
Mount Sterling / Jefferson |
| Mount Sterling / Louisa |
Mount Union / Henry |
Mount Valley / Winnebago |
| Mount Vernon / Linn |
Mount Vernon / Mahaska |
Mount Washington / Adams |
| Mount Zion / Van Buren |
Moville / Woodbury |
Muchachinock / Mahaska |
| Muddy / Calhoun |
Mudville / Buchanan |
Mullarky's Grove / Black Hawk |
| Munn / Cedar |
Munterville / Wapello |
Murphy / Jasper |
| Murray / Clarke |
Muscatine / Muscatine |
Muscatine / Keokuk |
| Musquaka / Iowa |
Myers / Union |
Myron / Allamakee |
| Myrtle / Muscatine |
Mystic / Appanoose |
