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Platte County, Missouri
Genealogy, History & Facts
County Vital Records ∣ County Census Records ∣ County Courthouse and Government Records ∣
County Societies, Family History Resources and County Genealogy Links
Platte County, Missouri Facts
When was Platte County, MO Created?
Platte County was created on December 31, 1838 from part of the Platte Purchase.
What is the County Seat of Platte County, MO?
The County Seat is located in Platte City and in addition the county government website is www.co.platte.mo.us
What counties are adjacent to Platte County, MO?
Bordering Counties are Buchanan County, Clinton County, Clay County, Jackson County, Wyandotte County, Kansas, Leavenworth County, Kansas, Atchison County, Kansas.
Platte County, MO Vital Records
Where can find Platte County Birth, marriage, Divorce and Death Records?
Platte County vital records can be found at the Missouri Office of Vital Records has copies of birth and death records reported from January 1, 1910. There is a fee for each copy requested. Please refer to the information to the Statewide Vital Records in Missouri for current fees and application process.
You can search online for Platte County Birth, Marriage, Divorce or Death Records. You can also Order Electronically Online or can download an application for Missouri Birth and Death Certificate, Marriage and Divorce Certificate Application to mail.
Another resource is the Platte County Health Department has Birth Certificates since 1920 and Death Certificates since 1980.
- Marriage records of Platte County, Missouri, 1839-1855
- U.S., Social Security Applications and Claims Index, 1936-2007
- Social Security Death Index
- Missouri Birth & Death Records Database Pre-1910: Search & Record Availability
- Missouri, Births and Christenings, 1827-1935
- Missouri, Marriages, 1750-1920
- Missouri Death Records Database, Pre-1910
- Missouri Death Certificates, 1910 – 1961
- Missouri Deaths and Burials, 1867-1976
Platte County, MO Census Records
What Platte County, MO census records are available?
There are many types of census records for Platte County guide you in researching your family tree. Federal Population Schedules are available for 1840, 1850, 1860, 1870, 1880 (free index), 1890 (fragment), 1900, 1910, 1920, 1930, 1940.
Platte Co. Slave Schedules is available for 1850 & 1860. Platte Co. Mortality Schedules can be found for 1850, 1860, 1870 and 1880. Platte Co. Industry and Agriculture can be found for 1850, 1860, 1870 and 1880. Platte Co. Union Veterans Schedules can be acquired for 1890. There are free down-loadable and printable census forms to help you with your research. See Also Missouri Census Records Research Guide
Platte County, MO Courthouse and Government Records

What genealogical records can I find in the Platte County Courthouse?
Researchers frequently overlook the great importance of Platte County court, probate, and land records data as a useful resource of ancestry and genealogy information. Buried away in Missouri courthouses and archives everywhere are the ambitions and frustrations of countless Missouri residents.
The possibilities are excellent that your forefathers have left a comprehensive document of at least a number of facets of their lives in the Platte County court records. Even if your forebears is not referred to in a Court case, contemplate all of the other procedures that could have lead to him or her to appear in court records. See Also Missouri Courthouse Records Research Guide.
- Platte County Courthouse (all departments listed below are located here, unless otherwise noted)
- Address: 328 Main St., Platte City, MO 64079
- Platte County Recorder of Deeds
- Address: Platte County Administration Building, 415 Third St., Suite 70, Platte City, MO 64079
- Phone: (816) 858-3326
- Marriage Records: 1839
- Land Records: 1839
- Platte County Circuit Court Clerk / Probate Court Clerk
- Phone: (816) 858-2232
- Probate Records: 1839
- Court & Divorce Records: 1839
- Platte County Clerk of the Court
- Address: Platte County Administration Building, 415 Third St., Platte City, MO 64079
- Phone: (816) 858-3340
- Birth & Death Records: 1883–87
- State-Issued Land Patents 1831 – 1969
- BLM Land Records
Platte County, MO Societies and Family History Resources
What genealogical and historical societies, archives, museums, associations and libraries are available for Platte County, MO?
A list of Platte County Historical and Genealogical Societies, Libraries, Archives. See also list of Statewide Missouri Archives, Historical & Genealogical Societies.
- Platte County Historical & Genealogical Society, P.O. Box 103, Platte City, MO 64079-0103; Ph: (816) 431-5121
- Northland Genealogy Society, P.O. Box 14121, Parkville, MO 64152; Phone: (816) 746-5725
- Heart of America Genealogical Society and Library, c/o Kansas City Public Library, 311 East Twelfth Street, Kansas City, MO 64106
- Park College Historical Society, Box 61, Park College, 8700 Northwest River Park Dr, Parkville, MO 64152-3795; Ph: (816) 741-2000, ext. 6285
- Weston Historical Museum Association, P.O. Box 266, 601 Main, Weston, MO 64098; Phone: (816) 386-2977
- Missouri River Frontier Museum, 128 South Main Street, Suite 412, Parkville, MO 64152; Phone: (816) 741-1482
- Missouri State Archives, Missouri State Information Center; P.O. Box 1747, 600 West Main Str, Jefferson City, MO 65102
- Missouri State Library – 600 West Main Street, Jefferson City, MO 65101; (573) 751-4936
- Missouri Historical Society, P.O. Box 11940, St. Louis 63112-0040
- Missouri State Genealogical Association, P.O. Box 833, Columbia, MO 65205-0833
Where can I connect with other Platte County, MO Researchers through message boards and forums?
- https://www.archives.gov/research/census
- Missouri Genealogy Network Community (plus.google.com)
- Missouri State Genealogy Network (facebook.com)
- Platte County, Missouri Message Boards (boards.ancestry.com) read and post messages about your ancestors in Platte County
- Platte County, Missouri Genealogy Forum (genforum.genealogy.com)
What other genealogical resources are available in Platte County, MO?
The following are web links to Genealogy, Records and Resources pertaining to Platte County. A majority of these genealogy links fall into 3 categories: Business Sites, Private Sites or Organization Sites. Some have free access some have to have a payment. This is just a directory which has been gathered or submitted. I do not endorse or promote one genealogy site above another.
Platte Co. MO Maps, Atlases & Gazetteers
- See Also Map of Missouri Links and Information
- Platte Co. D.O.T. Map
- 1895 Platte County Map (livgenmi.com)
Platte Co. MO Books, Newspapers & Publications
- Missouri Newspapers Books & Publications Research Guide
- Missouri historical newspaper archives online (newspapers.com)
- Historical Newspapers from Missouri (1808 – 1922) (genealogybank.com)
- Platte County, Missouri Books (amazon.com)
- Search Missouri Obituaries (1985 to current) (genealogybank.com)
Platte Co. GA Cemeteries & Church Records
- Missouri Cemetery Research Guide
- Platte Co., Missouri Graves (findagrave.com)
- Platte County Tombstone Transcription Project (usgwtombstones.org)
- Platte Co., Missouri Cemeteries (Internment.net)
- Platte Co., Missouri Cemetery Books (amazon.com)
- Missouri Church & Bible Research Guide
- Platte County, Missouri Church Books (amazon.com)
Platte Co. MO Family Websites, Pictures & Histories
- Create a Free Family Tree (ancestry.com)
- Nichols and Related Families (nicholsgenealogy.com)
- The Missouri Family Group Sheet Project (fgs-project.com)
Platte Co. MO General and History Websites
- See Also State History for Missouri
- Platte County, Missouri Wikipedia (wikipedia.org)
- Platte County, Missouri Wiki (familysearch.org)
- Platte Co. MO Genealogy (kindredtrails.com)
- Family History Library (familysearch.org)
- Platte County, Missouri (linkpendium.com)
- Cyndi’s List – United States – Missouri – Counties – Platte (cyndislist.com)
- Platte County Missouri (genealogytrails.com)
- Platte Co. MOGenweb (rootsweb.ancestry.com)
- Platte County Genealogy Queries (cousinconnect.com)
- Platte Co. Data Collections (search.ancestry.com)
Platte Co. MO Military Records
- Missouri Military Records Research Guide
- Search the Soldiers Database: War of 1812-World War I (sos.mo.gov)
- Missouri Military Records (fold3.com)
Platte Co. MO Schools & Directories
- Kansas City, Missouri City Directories, 1889-91 (search.ancestry.com)
- Missouri State Gazetteer and Business Directory, 1881 (search.ancestry.com)