quick facts

Welcome to Sanders County

Sanders County is located in Northwestern Montana. It is bordered on the west by Idaho’s Panhandle and is Montana’s 18th most populous county with approximately 11,000 residents. The county was established in 1905 and named after Wilbur Fisk Sanders, pioneer and U.S. Senator from Montana.

The Clark Fork River, a tributary of the Columbia, runs the length of the valley in Sanders County. The county also encompasses the Cabinet Mountain Wilderness and two National Forests.


Public Notice: Penn Stohr Field (Plains)/Thompson Falls Airport-FY 2018-2020 Multi-Year Goals for DBE Airport Construction Contracts

PUBLIC NOTICE   Sanders County hereby announces its fiscal years 2018-2020 (federal) multi-year goals of 6.60% for the Penn Stohr Field / Plains Airport and 6.58% for the Thompson Falls Airport for Disadvantaged Business Enterprise (DBE) airport construction Contracts. The proposed goals and rationale is available for inspection between 8:00 a.m. and 5:00 p.m., Monday […]


    1. Sanders County Park Board Meeting Tuesday, August 1st @ 7 pm, Sanders County Courthouse

      August 1 @ 7:00 pm - 8:00 pm
    2. Courthouse Closed in Observance of Labor Day

      September 4