Sheridan County, Montana

Sheridan County: County in Montana, United States


Sheridan County is a county located in the U.S. state of Montana. As of the 2010 census, the population was 3,384 and a population density of 1 people per km². After 10 years in 2020 county had an estimated population of 3,261 inhabitants. Its county seat is Plentywood. The county was created 109 years ago in 1912.

Quick Facts about Sheridan County

Population : 3,261 (2020)
Country : United States of America
State : Montana (United States)
Different from : Sheridan County, Sheridan County, Sheridan County, Sheridan County
Area : 4419 km2
Water as percent of area : 1.7%
Land as percent of area : 98.3%
Named for : Philip Sheridan
Capital : Plentywood
Establishment : January 01, 1913
Time Zone : America/Denver
Local time : 07:33:14 (5th December 2022)
Density : 1 Pop. per km² as of 2020
Population growth : -3.77% (2010-2020)
Sheridan County locator map
Location of Sheridan County on Montana map.
Sheridan county courthouse image
Sheridan county courthouse
Sheridan county courthouse image


Sheridan County is located at 48°43'16"N 104°30'17"W (48.7212000, -104.5046800). It has 3 neighbors: Roosevelt County, Daniels County and Divide County.

Sheridan County map

The largest city of Sheridan County is Plentywood with a population of 1,712. . See all Sheridan County cities & populated places.

Sheridan County Populated Places

Cities, Towns, Neighborhoods & Other Populated Places in Sheridan County.

City Name Population Title
Plentywood 1,712 City in Sheridan County, Montana, United States
Medicine Lake 219 Town in Montana, United States
Westby 152 Town of the United States
Outlook 46 Town of the United States

Sheridan County has 3 neighbours.

  • Plentywood


According to census records, the population of Sheridan County decreased by 3.77% in 10 years.

Year Population % Change Method
2010 3,384 - census
2011 3,418 0.99% estimation process
2012 3,550 3.72% estimation process
2013 3,626 2.1% estimation process
2014 3,661 0.96% estimation process
2015 3,673 0.33% estimation process
2016 3,608 -1.8% estimation process
2017 3,471 -3.95% estimation process
2018 3,386 -2.51% estimation process
2019 3,309 -2.33% estimation process
2020 3,261 -1.47% estimation process

Comitatul Sheridan, Comte de Sheridan, Comté de Sheridan, Condado de Sheridan, Condado han Sheridan, Contea di Sheridan, Hrabstwo Sheridan, Okrug Sheridan, Quan Sheridan, Quận Sheridan, Seridan srjan, Sheridan, Sheridan Kun, Sheridan Kūn, Sheridan konderria, Sheridan megye, mqatʿt shyrydan, seridana ka'unti, sheridan jun, shhrstan shrydn mwntana, xie li dui xian, Округ Шеридан, Шеридан, Шерідан, Շերիդան շրջան, شهرستان شریدن، مونتانا, شیئرڈن کاؤنٹی، مونٹانا, شیریڈان کاؤنٹی،مونٹانا, مقاطعة شيريدان, শেরিডান কাউন্টি, シェリダン郡, 謝里敦縣

People born in Sheridan County (1)

American businessman, cattle breeder, civic leader and art collector Lloyd Donald Brinkman was born in Sheridan County

Other places with the same name (5)

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
Gallatin County 116,806 County in Montana, United States
Billings 109,736 City in Montana, United States of America
Flathead County 105,851 County in Montana, United States
Cascade County 81,346 County in central Montana, United States
Missoula 76,848 County seat of Missoula County, Montana, United States
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