Post Offices in Mercer County, MO

Mercer County was established on Feb 14, 1845. The County Seat is Princeton. Mercer was formed from territory taken from the following counties: Grundy

The current population is 3,996 people and the area is 455 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 OfficeService
Adell 1874-1904
Adox 1884-1886
Alvord 1885-1888, 1890-1910
Bosh 1881-1883
Brush 1875-1880
Burr Oak 1850-1856, 1862-1867
Cainesville 1857-UNK
Cleopatra 1861-1905
Cottonwood 1871-1885
Crusher 1905
Dinsmore 1891-1903
Goshen 1854-1860, 1867-1904
Goshen Prairie 1850-1851
Grove 1848-1850
Half Rock 1867-1900
Haw 1891-1906
Post OfficeService
Honey 1872-1879
Hope 1879-1880
Ilia 1881-1906
Mercer 1855-1871, 1880-Present
Middlebury 1847-1869, 1875-1878
Mill Grove 1873-1974
Modena 1858-1907, 1917-1972
Moore 1897-1902
Pinafore 1881
Princeton 1846-Present
Ravanna 1858-1975
Rosemont 1858-1859
Saline 1857-1937
Sonoma 1855-1858
Topsy 1885-1906
Wataga 1886-1907
Wiggins Mills 1858-1859
Key to Markings
S Spray Postmarks
PPrecancels Exist
TTerritorial Period
71Cancels from 7-1-71 Affair

Navigation:

There are 33 post offices listed for Mercer 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 Mercer 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: 11 Feb 2012 15:09

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Missouri Postal History Society, St. Louis, Missouri.