The current population is 264,275 people and the area is 561 sq. mi.
The county seat is displayed in oblique & bold face.
Towns that have more than 4 opening/close dates or are current have links to complete information.
Post Office Service
Augusta
1842-Present
Black Walnut
1875-1908
Bluff City
1888
Bluffton
1846
Boschertown
1879-1881
Cappeln
1870-1907
Cottleville
1843-Present
Dardenne
See details
Dardenne Bridge
1827-1833
Defiance
1893-Present
Eagle Creek
1825-1833
Elm Point
1889-1891
Femme Osage
See details
Firma
1901-1924
Flint
1880-1881
Flint Hill
1836-Present
Foristell
1873-Present
Gallatin
1834-1837
Gilmore
1884-1959
Hamburg
1851-1941
Harvester
1881-1901
Hickory Grove
1854-1860
Hoeberville
1879-1914
Howell
1900-1917
Josephville
1875-1910
Klondike
1898-1943
Post Office Service
Machens
1895-1956
Manor
1840-1841
Matson
1893-1971
Mc Connell’s
1827-1829E
Missouriton
1833-1880
Naylor’s Store
1827-1840, 1841-1868
New Melle
1850-Present
O’Fallon
1859-Present
Oakwood
1858-1865
Orchard Farm
1894-1953
Peruque
1888-1979
Pitman
1824-1827E
Plum Grove
1831
Pomona
1851-1854
Pond Fort
1821-1823, 1840-1841
Portage des Sioux
See details
Saint Charles
1806-Present
Saint Peters
1841-Present
Schluersburg
1862-1908
Six Mile House
1875-1880
Stockland
1833, 1835-1839
War Eagle
1879-1884
Weldon Spring
1875-1957
Wentzville
1859-Present
West Alton
1895-Present
Wilkie
1894
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There are 52 post offices listed for Saint Charles County.
Post office information from “Missouri Post Offices 1804-1981” ©1982 - Robert G. Schultz. Used with permission of author. Additional info on zip codes, markings and distances come from various members of MOPOHISSOC.
All post offices for Saint Charles County have been added to the database.
Note: Researchers only listed for towns that have specific researchers separate from the overall county.
Remember, this site is primarily concerned with POSTAL history and makes no claims regarding genealogical research.
List updated: 27 Nov 2009 23:28
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This page, and all contents are Copyright © MCMXCIX-MMIX by
Missouri Postal History Society, St. Louis, Missouri.