Valley County, Montana

Valley County: County in Idaho, United States


Valley County is a county located in the U.S. state of Montana. As of the 2010 census, the population was 7,369 and a population density of 1 people per km². After 10 years in 2020 county had an estimated population of 7,359 inhabitants. Its county seat is Cascade. The county was created 106 years ago in 1917.

Valley County locator map
Location of Valley County on Montana map.

Quick Facts about Valley County

Population : 7,359 (2020)
Country : United States of America
State : Montana (United States)
Different from : Valley County, Valley County
Area : 9670 km2
Water as percent of area : 1.8%
Land as percent of area : 98.2%
Altitude : 2,674 feet / 815 meters
Capital : Cascade
Establishment : February 02, 1917
Time Zone : America/Denver
Local time : 05:03:19 (5th December 2023)
Density : 1 Pop. per km² as of 2020
Population growth : -0.14% (2010-2020)
Weather : 24℉ Mostly Cloudy then Slight Chance Freezing Rain 7-days weather
Cascade Idaho  Bighorn Ram  Recycled Barbed Wire Sculpture - panoramio image
Cascade Idaho Bighorn Ram Recycled Barbed Wire Sculpture - panoramio
Cascade Idaho  Bighorn Ram  Recycled Barbed Wire Sculpture - panoramio image


Valley County is located at 48°21'55"N 106°40'3"W (48.3653100, -106.6675200). It has 6 neighbors: Custer County, Adams County, Boise County, Gem County, Idaho County and Lemhi County.

Valley County map

The largest city of Valley County is Opheim with a population of 82. . See all Valley County cities & populated places.

Valley County Populated Places

Cities, towns, neighborhoods & other populated places in Valley County.

City Name Population Title
Glasgow 3,315 Town in Montana
Nashua 286 Town of the United States
Opheim 82 Human settlement in Valley County, Montana, United States of America


Valley County forecast: A slight chance of freezing rain between 1am and 2am. Mostly cloudy. Low around 24, with temperatures rising to around 32 overnight. South wind around 8 mph. Chance of precipitation is 20%. more

Valley County has 6 neighbours.

  • Cascade


According to census records, the population of Valley County decreased by 0.14% in 10 years.

Year Population % Change Method
2010 7,369 - census
2011 7,461 1.23% estimation process
2012 7,499 0.51% estimation process
2013 7,628 1.69% estimation process
2014 7,627 -0.01% estimation process
2015 7,621 -0.08% estimation process
2016 7,532 -1.18% estimation process
2017 7,402 -1.76% estimation process
2018 7,406 0.05% estimation process
2019 7,396 -0.14% estimation process
2020 7,359 -0.5% estimation process

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Other places with the same name (3)

Montana Other Counties (more counties)

County Name Population Title
Yellowstone County 162,990 County in Montana, United States of America
Missoula County 121,630 County in Montana, United States
Billings 117,445 The most populous city in Montana.
Gallatin County 116,806 County in Montana, United States
Flathead County 105,851 County in Montana, United States
Cascade County 81,346 County in central Montana, United States
Missoula 76,848 The most populous city in Missoula County, Montana.
Lewis and Clark County 70,229 County in Montana, United States
Great Falls 58,353 Town in Cascade County, Montana, United States
Bozeman 50,970 Town in Gallatin County, Montana, United States
Ravalli County 45,002 County in Montana, United States
Silver Bow County 35,180 County in Montana, United States
Butte 34,190 Consolidated city-county in Montana, United States
Helena 33,737 State capital of Montana, United States and seat of Lewis and Clark County
Lake County 30,986 County in Montana, United States
Kalispell 25,329 City in Flathead County, Montana, United States