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)
White10,27890.43%
Two or more races5865.16%
Other race3402.99%
Native Hawaiian or Pacific Islander1090.96%
Black or African American220.19%
Native American180.16%
Asian130.11%

White

Two or more races

Other race

Native Hawaiian or Pacific Islander

Black or African American

Native American

Asian

Richland County, Montana Population by Race

Richland County, Montana Population Pyramid 2024

Richland County, Montana Median Age

38.3

Total

38.8

Male

37.7

Female

Richland County, Montana Adults

There are 8,475 adults, (1,926 of whom are seniors) in Richland County, Montana.

Richland County, Montana Age Dependency

73.6

Age Dependency Ratio

29.4

Old Age Dependency Ratio

44.1

Child Dependency Ratio

Richland County, Montana Sex Ratio

Female5,65649.76%
Male5,71050.24%

Richland County, Montana Population by Age

Richland County, Montana Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All4,5292.569.230.8
Married2,1673.2680.719.3
Non Family1,8801.2254.845.2
Female2884.3669.830.2
Male1943.6478.421.6

3.34

Average Family Size

2.5

Average Household Size

69.2%

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 Grade2623.47%
Associates Degree86811.51%
Bachelors Degree85511.34%
Graduate Degree2132.82%
High School Graduate3,18042.16%
Less Than 9th Grade610.81%
Some College2,10427.89%

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
White6,8186,5441,049
Hispanic3593174
2+ Races2222177
Other Race2171900
Islander1091090
Native American18160
Asian13138
Black440

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 61.54%.

Richland County, Montana Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$58,321$59,481$46,838
Graduate Degree$62,115$58,375$70,417
High School Graduate$39,184$55,511$30,208
Less Than 9th Grade$48,348$49,241$25,833
Overall$43,102$57,605$34,715
Some College$41,752$55,400$30,802

$43,102

Average Earnings

$57,605

Average Male

$34,715

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

95.73% of Richland County, Montana residents speak only English, while 4.27% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.98% of the population.

Richland County, Montana Language

Richland County, Montana Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White9,9158598.66%
Hispanic6587711.7%
Multiple58640.68%
Native18211.11%

8.33%

Overall Poverty Rate

6.76%

Male Poverty Rate

9.92%

Female Poverty Rate

Poverty in Richland County, Montana

The race most likely to be in poverty in Richland County, Montana is Hispanic, with 11.7% below the poverty level.

The race least likely to be in poverty in Richland County, Montana is Multiple, with 0.68% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.41%. Among those working part-time, it was 7.97%, and for those that did not work, the poverty rate was 24.09%.

Richland County, Montana Poverty

rate

Rate
Poverty
Less Than 9th Grade22.6%
Some College10.16%
High School8.23%
Bachelors or Greater7.02%

Richland County, Montana Poverty Rate by Education

rate

Rate
Poverty
Male Unemployed23.03%
Female Unemployed4.35%
Female Employed3.76%
Male Employed3.32%

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$85,947$101,400
Households$67,515$85,016
Married Families$95,687$-999,999,999
Non Families$34,747$56,156

mean

median

Income by Household Type

Richland County, Montana Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

50.6%

Overall Marriage Rate

46.8%

Male Marriage Rate

54.4%

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

574

Number of Veterans

500

Male Veterans

74

Female Veterans

War
Veterans
Vietnam156
First Gulf War148
Second Gulf War142
Korea30
World War II0

Richland County, Montana Veterans by War

count

Age Group
Veterans
35 to 54155
65 to 74135
75+107
55 to 64106
18 to 3471

Richland County, Montana Veterans by Age

count

Name
Veterans
% of Total
White5547.13%
Hispanic225%
2+ Races144.14%
Asian646.15%

Richland County, Montana Veterans by Race

Richland County, Montana Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

7.84%

Veteran Poverty Rate

22.13%

Veteran Disability Rate

Richland County, Montana Veterans by Education

LaborForceParticipation

66.8%

Labor Force Participation

63.5%

Employment Rate

4.9%

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

57.58%

Born in Richland County, Montana

96.71%

Native Born

3.29%

Foreign Born

2.55%

Non Citizen

0.74%

Naturalized

Place of Birth

96.71% of Richland County, Montana residents were born in the United States, with 57.58% having been born in Montana. 2.55% 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