Sanders County, Montana GenealogyEdit This Page

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United States Gotoarrow.png Montana Gotoarrow.png Sanders County

Guide to Sanders County Montana genealogy. Birth records, marriage records, death records, census records, family history, and military records.

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Online Records


County Courthouse

Sanders County Courthouse
1111 Main Street
Thompson Falls, MT 59873
Phone: 406.827.4392

County Clerk and Recorder has birth, marriage, divorce, probate, court
and land records from 1906 and death records from 1907 [1]


Parent County

1905--Sanders County was created 7 February 1905 from Missoula County. County seat: Thompson Falls [2]

Boundary Changes

Record Loss


Populated Places

Dixon Niarada Plains
Heron Noxon Thompson Falls
Hot Springs Old Agency Trout Creek
Lone Pine Paradise

Indian Reservation

A small piece of the Flathead Indian Reservation is in Sanders County. The major part of the reservation is in Lake County. Other small portions are also in Missoula and Flathead Counties.

Neighboring Counties






Local Histories


  • See an interactive map of Sanders County cemeteries and modern-day townships. (Histopolis)



  • ($) has a collection of digitized Montana newspapers including Kalispell newspapers. This database is sometimes free at libraries.



Vital Records

Societies and Libraries

Family History Centers

Web Sites

  • USGenWeb project. May have maps, name indexes, history or other information for this county. Select the state, then the county.
  • Family History Library Catalog


  1. The Handybook for Genealogists : United States of America, 10th ed., (Draper, UT: Everton Publishers, 2002), p. 418.
  2. The Handybook for Genealogists: United States of America,10th ed. (Draper, UT:Everton Publishers, 2002).


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