The current population is 1,003,595 people and the area is 508 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
Affton
1876-1902, 1906-1939
Allenton
1853-Present
Altheim
1884-1886, 1889-1904
Anglum
1894-1929
Ascalon
1896-1904
Baden
1860-1885
Ballwin
1866-1902, 1904-Present
Barretts Station
1856-1874, 1890-1892
Bartold
1873-1901
Beckville
1873-1883
Belle Grove
1847-1849
Bellefontaine
1826-1832, 1869-1907
Bellemonte
1851-1869
Berkeley
1938-1950, UNK-Present
Bissell
1895
Black Jack
1872-1902, 1904-1906
Bobring
1881-1901
Bonfils
1894-1914
Bonfils Station
1867-1894
Bonhomme
1851-1895
Bremen
1850-1856
Bridgeton
1843-1958
Brotherton
1866-1881
Carondelet
1826-1873
Castello
1889-1902
Castlewood
1920-1933
Centaur Station
1891-1959
Central
1851-1908
Cheltenham
1858-1886
Chesterfield
1820-1824, 1895-Present
Church
1897-1905
Clayton
1885-1901, 1904-1913
Clemens
1881-1885
Coleman
1870-1880
Crescent
1884-1964
Creve Coeur
1851-1959
Cross Keys
1885-1902
Des Peres
1848-1902
Dwyer
1884-1904
Elleard
1866-1873
Ellisville
See details
Eureka
1860-Present
Fairview
1867-1873
Fee Fee
1842-1859
Fenton
1833-Present
Ferguson
1868-1901, 1904-1912
Fern Ridge
1878-1894
Florissant
1818-1901, 1904-Present
Fox Creek
1833-1904
Glades
1884-1886
Glencoe
1855-Present
Grover
1888-1904, 1934-Present
Gumbo
1882-1907
Hamilton’s
1823-1824
Hathaway
1875-1876
Hazelwood
1958-Present
Hog Hollow
1871-1872
Hollow
1884-1904
Jamestown
1820-1826
Jefferson Barracks
See details
Jennings
1874-1901
Kelpe
1886-1896
Kinloch
1892-1924
Kirkwood
1854-1901
Post Office Service
Koch
1910-1925, 1927-1978
Lake
1872-1905
Loehr
1897-1902
Lowell
1870-1873
Manchester
1824-1902, 1904-1963
Maplewood
1892-1901
Maryland Heights
1925-1960
Mattese
See details
Mattis
1876
Mehlville
1876-1902, 1904
Melrose
1858-1904
Meramec Highlands
1892-1907
Midland
1900-1903
Mill Spring
1865-1873
Mincke
1909-1910
Mokeville
1872-1879
Monarch
1895-1907
Nadowissia
1835-1840
Nasby
1878-1886
New Alsace
1875-1891
Normandy
1857-1932
Nuroad
1924-1938
Nursery
1892-1904, 1907-1926
O’Neill
1888-1891, 1900-1901
Oakville
1841-1852, 1876-1907
Old Orchard
1886-1901
Olivette
1908-1917
Orrville
1868-1895
Overland
1910-1925
Owens Station
1834-1843
Pattonville
1876-1958
Pine Lawn
1907-1916
Pond
1866-1887, 1889-1904
Price
1874-1902
Quarantine
1893-1910
Ranken
1884-1893
Rinkelville
1875-1886
Robertson
1929-1958
Rock Hill
1841-1897
Rosa
1901-1905
Ruegg
1905-1938
Saint Ann
1954-Present
Saint Johns Station
1923-1925
Saint Louis
1804-Present
Sappington
See details
Sherman
1864-1980
Sherwood
1899-1904
Shores Switch
1892-1896
Shrewsbury
1892-1901
Smizers Mills
1857-1858
South Kinloch Park
1924-1959
Spanish Lake
1880-1900
Stratmann
1879-1907
Studt
1896-1902
Sutter
1886-1903
Tuxedo
1893-1901
Valley Park
1886-Present
Vigus
1899-1955
Waltonham
1828-1843, 1845-1861
Webster Groves
1862-1901
Webster Station
1860-1862
Wellston
1888-1901
Windom
1891-1907
Winkler’s Point
1873
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There are 128 post offices listed for Saint Louis 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 Louis 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
Direct inquiries to
This page, and all contents are Copyright © MCMXCIX-MMIX by
Missouri Postal History Society, St. Louis, Missouri.