Welcome to
Missoula County MTGenWeb
History and Genealogy of Missoula County
Lewis and Clark came through the Missoula Valley in 1805, but it wasn't until 1860 that Europeans settled here (although a Jesuit priest, DeSmet, opened a mission south in the Bitterroot Valley in 1841). Before settlers arrived, Western Montana was home to the Salish, Pend d'Oreille, and Kootenai tribes. more...
This information is from the Missoula.Montana.com website

Missoula County is in need of a new coordinator.  Please check out the adoptable counties
and the volunteer criteria if you are interested in Missoula.  MTGenWeb Adoption  

 The population of Missoula county in the 2010 U.S. Census was 109,299 making it the second most populous
 county in Montana behind Yellowstone county. The 2012 U.S. Census estimated the population as 110,977
which means there are 36 people per square mile. Missoula county is 2,618 square miles in size.

The county of Missoula was founded on February 2, 1865. It is one of the original 9 counties. Missoula county
was originally part of the Washington Territory and was incorporated in 1860. The Missoula county of today
became a part of the U.S. through the Oregon Treaty on June 14, 1846. 

Missoula County Marriages from Familysearch

WE NEED YOUR HELP! Missoula County MTGenWeb Project needs your records.
Please submit anything which maybe of value to other researchers: Bible records, marriage
records, wills, pension records, land records, death and obituary records, photos, and old letters.
County, community, church, and school histories.  Your help in helping other researchers is vital to
the success of the MTGenWeb Project.  

Helpful Links

MTGenWeb County Index MTGenWeb Archives
Social Security Death Index  Now on Family Search

Search the Missoula County Website!
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January 2014

May 2015

Would you like to adopt an orphan MTGenWeb county?  Just contact the MTGenWeb State Coordinator.