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Sanders County

Sanders County is in need of a new coordinator. 
If you have a research question
contact the Temporary Coordinator Randy Cummings

If you would like to join the MTGenWeb family and adopt this website,
please contact MTGenWeb Adopt or contact the State coordinator!

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*Wilbur Fiske Sanders
May 2, 1834 – July 7, 1905

Sanders County was created from Missoula County in 1905, and was named after Wilbur Fiske Sanders, pioneer and U.S. Senator from Montana.

County seat: Thompson Falls

Historical population
Census Pop.  
1910 3,713  
1920 4,903   32.0%
1930 5,692   16.1%
1940 6,926   21.7%
1950 6,983   0.8%
1960 6,880   -1.5%
1970 7,093   3.1%
1980 8,675   22.3%
1990 8,669   -0.1%
2000 10,227   18.0%
2010 11,413   11.6%
Est. 2013 11,363   -0.4%


County of Excellence Winner

March 2015
February 2016
March 2017


Hello,and welcome to the Sanders County MTGenWeb page. I hope you will enjoy your time here and find exciting things pertaining to your ancestors.  Please feel free to use the information you find here for your research, but please do not reproduce any of the pages for monetary gain.


WE NEED YOUR HELP! Sanders County MTGenWeb Project needs your records. Please submit anything you think may be 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. Just contact the county coordinator with your information or questions.

Copyright 1996 - Our submitters and MTGenWeb

Page last updated: January 2023