Richland County, Montana Population 2024

11,116

Richland County, Montana's estimated 2024 population is 11,116 with a growth rate of -0.51% in the past year according to the most recent United States census data. Richland County, Montana is the 20th largest county in Montana. The 2010 population was 9,760 and has seen a growth of 13.89% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
202910,831-57-0.52%
202810,888-57-0.52%
202710,945-57-0.52%
202611,002-57-0.52%
202511,059-57-0.51%
202411,116-57-0.51%
202311,173-57-0.51%
202211,230-99-0.87%
202111,329-205-1.78%
202011,5345915.4%
201910,943-12-0.11%
201810,955-146-1.32%
201711,101-341-2.98%
201611,442-489-4.1%
201511,9313763.25%
201411,5553823.42%
201311,1733823.54%
201210,7916406.3%
201110,1513914.01%
20109,76000%
199010,716-1,527-12.47%
198012,2432,40624.46%
19709,837-667-6.35%
196010,5041381.33%
195010,3661571.54%
194010,2095765.98%
19309,6336447.16%
19208,989-1,842-17.01%
2024 Growth Rate
-0.51% (-57)
County Website
Richland County
State
Montana
County Seat
Sidney
2020 Population
11,534
Area
2085 mi²
Density
5 people/mi²
Growth Since 2020
-3.62% (-418)
Founded
May 27, 1914

Population by Race

Race
Population
Percentage (of total)
White10,26490.6%
Two or more races6095.38%
Other race2712.39%
Native Hawaiian or Pacific Islander980.87%
Asian310.27%
Black or African American280.25%
Native American280.25%

White

Two or more races

Other race

Native Hawaiian or Pacific Islander

Asian

Black or African American

Native American

Richland County, Montana Population by Race

Richland County, Montana Population Pyramid 2024

Richland County, Montana Median Age

38

Total

38

Male

38

Female

Richland County, Montana Adults

There are 8,465 adults, (1,944 of whom are seniors) in Richland County, Montana.

Richland County, Montana Age Dependency

73.7

Age Dependency Ratio

29.8

Old Age Dependency Ratio

43.9

Child Dependency Ratio

Richland County, Montana Sex Ratio

Female5,63349.72%
Male5,69650.28%

Richland County, Montana Population by Age

Richland County, Montana Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All4,5002.5169.830.2
Married2,2523.2682.117.9
Non Family1,7061.1153.846.2
Female3533.8467.732.3
Male1893.657228

3.3

Average Family Size

2.51

Average Household Size

69.8%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Richland County, Montana Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade2393.16%
Associates Degree81010.7%
Bachelors Degree1,17215.49%
Graduate Degree2973.92%
High School Graduate3,13241.38%
Less Than 9th Grade460.61%
Some College1,87224.74%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Richland County, Montana Educational Attainment by Sex (over 25)

Richland County, Montana Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White6,8346,5861,416
Hispanic3052795
2+ Races26924510
Other Race1871819
Islander98980
Native American28259
Asian272722
Black12120

The highest rate of high school graduation is among black people with a rate of 100%.

The highest rate of bachelors degrees is among asian people with a rate of 81.48%.

Richland County, Montana Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$59,015$64,306$50,274
Graduate Degree$54,167$72,500$53,500
High School Graduate$42,972$61,003$27,813
Less Than 9th Grade$41,630$49,375$0
Overall$46,544$61,375$35,775
Some College$43,024$71,875$23,488

$46,544

Average Earnings

$61,375

Average Male

$35,775

Average Female

Richland County, Montana Earnings by Educational Attainment

Richland County, Montana Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Richland County, Montana Language

96.58% of Richland County, Montana residents speak only English, while 3.42% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.64% of the population.

Richland County, Montana Language

Richland County, Montana Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White9,9017247.31%
Hispanic621599.5%
Native261038.46%
Black281035.71%
Other271103.69%
Multiple60950.82%

7.15%

Overall Poverty Rate

5.3%

Male Poverty Rate

9.02%

Female Poverty Rate

Poverty in Richland County, Montana

The race most likely to be in poverty in Richland County, Montana is Native, with 38.46% below the poverty level.

The race least likely to be in poverty in Richland County, Montana is Multiple, with 0.82% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.02%. Among those working part-time, it was 5.13%, and for those that did not work, the poverty rate was 23.55%.

Richland County, Montana Poverty

rate

Rate
Poverty
Less Than 9th Grade24.03%
Some College8.95%
High School8.45%
Bachelors or Greater6.67%

Richland County, Montana Poverty Rate by Education

rate

Rate
Poverty
Male Unemployed37.23%
Female Unemployed3.79%
Female Employed3.67%
Male Employed1.71%

Richland County, Montana Poverty Rate by Employment Status and Sex

Richland County, Montana Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$87,353$109,458
Households$69,578$93,356
Married Families$100,875$-999,999,999
Non Families$36,750$61,061

mean

median

Income by Household Type

Richland County, Montana Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

52.5%

Overall Marriage Rate

50.1%

Male Marriage Rate

55.0%

Female Marriage Rate

Richland County, Montana Married by Age and Sex

male

female

Richland County, Montana Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 55-64.

Richland County, Montana Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Richland County, Montana Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

510

Number of Veterans

482

Male Veterans

28

Female Veterans

War
Veterans
Vietnam150
Second Gulf War138
First Gulf War103
Korea28
World War II2

Richland County, Montana Veterans by War

count

Age Group
Veterans
35 to 54133
65 to 74127
75+109
55 to 6494
18 to 3447

Richland County, Montana Veterans by Age

count

Name
Veterans
% of Total
White4886.31%
2+ Races184.86%
Hispanic92.22%
Asian414.81%

Richland County, Montana Veterans by Race

Richland County, Montana Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

8.27%

Veteran Poverty Rate

21.85%

Veteran Disability Rate

Richland County, Montana Veterans by Education

LaborForceParticipation

67.9%

Labor Force Participation

65.4%

Employment Rate

3.8%

Unemployment Rate

Richland County, Montana Employment by Age

LaborForceParticipation

Richland County, Montana Employment by Race

LaborForceParticipation

Richland County, Montana Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

59.31%

Born in Richland County, Montana

97.17%

Native Born

2.83%

Foreign Born

2.02%

Non Citizen

0.81%

Naturalized

Place of Birth

97.17% of Richland County, Montana residents were born in the United States, with 59.31% having been born in Montana. 2.02% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Richland County, Montana Place of Birth

Sources