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Sanders County, Montana


Sanders County, Montana

Sanders County, Montana
Map of Montana highlighting Sanders County
Location in the state of Montana
Map of the United States highlighting Montana
Montana's location in the U.S.
Founded 1905
Seat Thompson Falls
Largest city Thompson Falls
 • Total 2,790 sq mi (7,226 km2)
 • Land 2,761 sq mi (7,151 km2)
 • Water 29 sq mi (75 km2), 1.1%
 • (2010) 11,413
 • Density 4.1/sq mi (2/km²)
Congressional district At-large
Time zone Mountain: UTC-7/-6

Sanders County is a county located in the U.S. state of Montana. As of the 2010 census, the population was 11,413.[1] Its county seat is Thompson Falls.[2] The county was founded in 1905.[3]

It has an annual county fair with rodeo at Plains.[4]


  • Geography 1
    • Adjacent Counties 1.1
    • National protected areas 1.2
    • Fauna 1.3
    • Flora 1.4
  • Demographics 2
  • Transportation 3
  • Communities 4
    • Cities 4.1
    • Towns 4.2
    • Census-designated places 4.3
  • See also 5
  • References 6


According to the U.S. Census Bureau, the county has a total area of 2,790 square miles (7,200 km2), of which 2,761 square miles (7,150 km2) is land and 29 square miles (75 km2) (1.1%) is water.[5]

It is located on the west edge of the state of Montana, with a variety of mountains - it is part of the Coeur d'Alene Mountains in the Bitterroot Range. The Clark Fork River runs through the middle of the county; Southeast to Northwest flow orientation with the Bitterroot Mountains on the Southwestern side and the Cabinet Mountains to the Northeast. Like many river systems of Western Montana, the Clark Fork is noted for broad, open plains along its banks.

It is partially arid, with the west-facing mountain slopes capturing the most rain: ranging from nearly 40 inches a year in Heron (similar to Seattle's annual precipitation) on the Western end of the county to less than 12 inches per year in Dixon on the East end.

During the last ice age, this was the area that dammed the glacial Lake Missoula. When the ice dam broke, the resulting floods created the Scablands in eastern Washington.[6]

Adjacent Counties

National protected areas


A variety of birds and other wildlife are found in Sanders County. The Tufted duck has been observed along the Bull River. An amphibian, the Rough-skinned Newt, has a disjunctive population at Thompson Falls which is un-contiguous with the remainder of the Western USA population of this species.[7]

Like most of Western Montana, Sanders County is a "destination hunting locale" with trophy specimens of White-tailed Deer (Odocoileus virginianus), Mule Deer (Odocoileus hemionus), Rocky Mountain Elk (Cervus canadensis nelsoni), Shiras Moose (Alces alces Shirasi), Mountain Goat(Oreamnos americanus), and Bighorn Sheep (Ovis canadensis Canadensis) rounding out huntable ungulate species and Black Bear, Cougar and Wolves comprising the huntable carnivores. Perhaps most notable of the species is the massive-horned Rocky Mountain Bighorns taken regularly from the flocks in the county. Three of the Top 10 heads in the Record Books were taken in Sanders County -Vying with British Columbia as the top producer of great heads. Astounding to realize, is that the combination of great habitat, genetics and age structure of the flocks has some rams as young as 7 years of age qualifying for the record book and some of the massive heads have basal circumferences surpassing 18 INCHES (Most "huge" horns around the world are found on 10-13-year-old rams with circumferences of 14-16 inches)

Grizzly Bear, the Montana State Animal, are also found in the county, but as an endangered species, they are un-huntable at this time. Montana had the last huntable population of Grizzlies in the lower 48, allowing 10 bears a year (natural deaths, poaching and other causes of death were included in that total to decide when season closed) as late as the 1990s. Only Alaska allows hunting for Grizzlies now.

Western Meadowlark, the state bird are found sparsely in the meadow areas of Sanders County along with Redwing Blackbird and Rocky Mountain Bluebirds... some of the favorites at local birdfeeders.

The westslope cutthroat trout (Onchorynchus clarki lewisi) is native to the drainages of Sanders County. The threatened native bull trout relies on westslopes as a major prey species in its piscivorous diet. Catch and release fishing is required to maintain fishable populations of the two natives, which now compete with introduced rainbow trout, and warm-water species, such as largemouth bass, yellow perch, Northern Pike, and walleyes that have been introduced and thrive in the modified habitat of the Clark Fork River's reservoirs.


Sanders County is part of the "mountainous" western third of the state. It lies entirely on the western slopes of the Rocky Mountains with a mixed coniferous forest dominating the plant community. Douglas fir/Ponderosa pine (Montana state tree) climax plant community dominate much of the county, but there are numerous other conifers found there as well in pockets of micro-climates suited to their needs. These include Western red cedar, Western Hemlock, Mountain Hemlock, White Spruce, Subalpine Fir, Grand Fir, Western White Pine, Lodgepole Pine and one of the most spectacular, Western larch, one of a handful of deciduous conifers that turn gold in the autumn before dropping all their needles.

Numerous broadleaf species proliferate in Sanders County as well. Rocky Mountain Maple, Red Alder, Paperbark Birch, Chokecherry, and numerous cottonwood and poplars as well light up the creek bottoms in autumn with their annual display of fall color.

Arguably the most popular broad-leaf shrub in Sanders County is the Rocky Mountain huckleberry (Vaccinium membranaceum). Trout Creek, Montana 59874 is considered the "Huckleberry Capital of Montana" and holds an annual celebration of the fruit called the "Huckleberry Festival" in August when the fruits ripen at high elevations. Though related to the common blueberry (Vaccinium corymbosum) very few have managed to grow Rocky Mountain huckleberry in domestic cultivation. It is commonly found in plant communities with beargrass (Xerophyllum tenax), a perennial found in burned or logged-over areas of the mountain ranges in the county.

The bitterroot (Lewisia rediviva) is the state flower and found in limited quantities in Sanders County, though the prairie hills in Missoula County drew Native tribes from surrounding areas to dig the roots for food annually.


As of the census[13] of 2000, there were 10,227 people, 4,273 households, and 2,897 families residing in the county. The population density was four people per square mile (1/km²). There were 5,271 housing units at an average density of two per square mile (1/km²). The racial makeup of the county was 91.91% White, 0.13% Black or African American, 4.74% Native American, 0.30% Asian, 0.01% Pacific Islander, 0.26% from other races, and 2.64% from two or more races. 1.55% of the population were Hispanic or Latino of any race. 20.1% were of German, 12.1% English, 11.0% Irish, 7.9% American and 6.5% Norwegian ancestry according to Census 2000. 96.9% spoke English, 1.4% German and 1.2% Spanish as their first language.

There were 4,273 households out of which 26.20% had children under the age of 18 living with them, 57.30% were married couples living together, 7.10% had a female householder with no husband present, and 32.20% were non-families. 28.00% of all households were made up of individuals and 11.60% had someone living alone who was 65 years of age or older. The average household size was 2.35 and the average family size was 2.86.

In the county the population was spread out with 23.80% under the age of 18, 5.50% from 18 to 24, 22.10% from 25 to 44, 31.80% from 45 to 64, and 16.90% who were 65 years of age or older. The median age was 44 years. For every 100 females there were 102.10 males. For every 100 females age 18 and over, there were 100.50 males.

The median income for a household in the county was $26,852, and the median income for a family was $31,340. Males had a median income of $28,340 versus $17,630 for females. The per capita income for the county was $14,593. About 13.30% of families and 17.20% of the population were below the poverty line, including 23.30% of those under age 18 and 9.20% of those age 65 or over.


The Hot Springs Airport is a county-owned public-use airport located two nautical miles (4 km) east of the central business district of Hot Springs.[14]




Census-designated places

See also


  1. ^ a b "State & County QuickFacts". United States Census Bureau. Retrieved September 16, 2013. 
  2. ^ "Find a County". National Association of Counties. Retrieved 2011-06-07. 
  3. ^ Montana Place Names from Alzada to Zortman. Helena, MT: Montana Historical Society Press. 2009. p. 236. 
  4. ^ "Sanders County Fair". Sanders County Fair Organization. Retrieved 6 June 2013. 
  5. ^ "2010 Census Gazetteer Files". United States Census Bureau. August 22, 2012. Retrieved November 30, 2014. 
  6. ^ "Glacial Lake Missoula". Glacial Lake Missoula. Retrieved 6 June 2013. 
  7. ^ C. Michael Hogan (2008) Rough-skinned Newt (Taricha granulosa), Globaltwitcher, ed. N. Stromberg [2]
  8. ^ "Annual Estimates of the Resident Population for Incorporated Places: April 1, 2010 to July 1, 2014". Retrieved June 4, 2015. 
  9. ^ "U.S. Decennial Census". United States Census Bureau. Retrieved November 30, 2014. 
  10. ^ "Historical Census Browser". University of Virginia Library. Retrieved November 30, 2014. 
  11. ^ "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved November 30, 2014. 
  12. ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. Retrieved November 30, 2014. 
  13. ^ "American FactFinder".  
  14. ^ FAA Airport Master Record for S09 (Form 5010 PDF). Federal Aviation Administration. Effective 25 August 2011.
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