What is the population of Richland County?

The population of Richland County, MT is 11,043.

Where is Richland County located?

Richland County, MT is located at latitude 47.7879200 and longitude -104.5613400. It is in United States.

What is the area of Richland County?

The area of Richland County, MT is 5447 km².

What is the elevation of Richland County?

Richland County, MT has an elevation of 757 meters (2484 feet) above sea level.

What time zone is Richland County in?

Richland County, MT is in the America/Denver time zone.

How has the population of Richland County changed?

The population of Richland County, MT has increased from 9,746 (2010) to 11,043 (2020), a change of 13.3%.

Richland County, Montana

Richland County: county in Montana, United States.

About

Richland County is a county located in the U.S. state of Montana. As of the 2010 census, the population was 9,746 and a population density of 2 people per km². After 10 years in 2020 county had an estimated population of 11,043 inhabitants. Its county seat is Sidney. The county was created 112 years ago in 1913.

Richland County locator map — Location of Richland County on Montana map.

County Snapshot

Richland County at a glance

Richland County currently has 1 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.

Browse county places

Mapped populated places

These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.

Montana counties

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Largest city

Sidney

Population 6,297

Quick Facts about Richland County

Population	11,043 (2020)
Country	United States of America
State	Montana (United States)
Different from	Richland County, Richland Parish, Richland County, Richland County, Richland County, Richland County
Area	5447 km²
Water as percent of area	0.9%
Land as percent of area	99.1%
Latitude & Longitude	47.7879,-104.5613
Capital	Sidney
Establishment	January 01, 1914
Time Zone	America/Denver
Local time	06:48:18 (23rd September 2026)
Density	2 Pop. per km² as of 2020
Population growth	13.31% (2010-2020)
Weather	47℉ Partly Cloudy 7-days weather

Richland county courthouse image

Geography

Richland County is located at 47°47'17"N 104°33'41"W (47.7879200, -104.5613400). It has 4 neighbors: Dawson County, Roosevelt County, McCone County and Wibaux County.

Richland County map

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The largest city of Richland County is Sidney with a population of 6,297. . See all Richland County cities & populated places.

Richland County Populated Places

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

City Name	Population	Title
Sidney	6,297	City in Montana, United States

Weather

47°F

Partly Cloudy

10 to 16 mph SE Tuesday Night

Partly cloudy, with a low around 47. Southeast wind 10 to 16 mph, with gusts as high as 25 mph.

7-Day Forecast

Official website of Richland County

Official Website

Richland County has 4 neighbours.

Dawson County county in Montana, United States.
Roosevelt County county in Montana, United States.
McCone County county in Montana, United States.
Wibaux County county in Montana, United States.

Sidney

Demographics

The population of Richland County increased by 13.31% in 10 years.

Year	Population	% Change	Method
2010	9,746	-	census
2011	10,144	4.08%	estimation process
2012	10,780	6.27%	estimation process
2013	11,154	3.47%	estimation process
2014	11,531	3.38%	estimation process
2015	11,902	3.22%	estimation process
2016	11,408	-4.15%	estimation process
2017	11,027	-3.34%	estimation process
2018	10,855	-1.56%	estimation process
2019	10,803	-0.48%	estimation process
2020	11,043	2.22%	estimation process

Comitatul Richland, Comte de Richland, Comté de Richland, Condado de Richland, Condado han Richland, Contea di Richland, Hrabstwo Richland, Okrug Richland, Quan Richland, Quận Richland, Richland, Richland Kun, Richland Kūn, Richland konderria, Richland megye, Richlend, li qi lan xian, mqatʿt ratshland, ricalyanda ka'unti, ritchirando jun, shhrstan rychlnd mwntana, Округ Ричланд, Ричланд, Ричленд, Річленд, Ռիչլանդ շրջան, رچلینڈ کاؤنٹی، مونٹانا, رچلینڈ کاؤنٹی،مونٹانا, شهرستان ریچلند، مونتانا, مقاطعة راتشلاند, রিচল্যান্ড কাউন্টি, リッチランド郡, 里奇蘭縣

People born in Richland County (1)

Scott Staffanson was born in Richland County

Other places with the same name (5)

Richland County, South Carolina county in South Carolina, United States. with a population of 419,051 people.
Richland County, Ohio county in Ohio, United States. with a population of 120,891 people.
Richland County, Wisconsin county in Wisconsin, United States. with a population of 17,258 people.
Richland County, North Dakota county in North Dakota, United States. with a population of 16,156 people.
Richland County, Illinois county in Illinois, United States. with a population of 15,507 people.

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