Stillwater County, Montana Population 2020

Stillwater County, Montana's estimated population is 9,452 with a growth rate of 0.75% in the past year according to the most recent United States census data. Stillwater County, Montana is the 22nd largest county in Montana.

Year Population Growth Growth Rate
20189,534820.87%
20179,452700.75%
20169,382-54-0.57%
20159,4361922.08%
20149,244-20-0.22%
20139,264890.97%
20129,175110.12%
20119,164410.45%
20109,1232,58739.58%
19906,53693816.76%
19805,59896620.85%
19704,632-894-16.18%
19605,5261102.03%
19505,416-278-4.88%
19405,694-559-8.94%
19306,253-1,377-18.05%
19207,6300.00%

How Many People Live in Stillwater County, Montana?

9,452

Population by Race

Race Population Percentage
White9,01695.81%
Two or More Races1781.89%
American Indian and Alaska Native971.03%
Some Other Race590.63%
Asian400.43%
Black or African American200.21%

Stillwater County, Montana Population Pyramid 2020

Stillwater County, Montana Median Age

46.6


Total

46.8


Male

46.5


Female

Stillwater County, Montana Adults

There are 7,360 adults, (1,988 of whom are seniors) in Stillwater County, Montana.

Stillwater County, Montana Age Dependency

75.2

Age Dependency Ratio

37

Old Age Dependency Ratio

38.2

Child Dependency Ratio

Stillwater County, Montana Sex Ratio

Female

4,717

50.13%

Male

4,693

49.87%

Stillwater County, Montana Households and Families

Stillwater County, Montana Renter vs Owner Occupied by Household Type

Stillwater County, Montana Household Types

Type Owner Renter
Married88.5%11.5%
All79.4%20.6%
Male72.8%27.2%
Non Family63.1%36.9%
Female61.9%38.1%

79.4%

Rate of Home Ownership

Type Count Average Size Owned
All3,7162.579.4
Married2,3613.0488.5
Non Family1,1291.1863.1
Female1343.4261.9
Male923.372.8

3.01

Average Family Size

2.5

Average Household Size

2.6%

Unmarried (Opposite Sex)

0%

Unmarried (Same Sex)

Stillwater County, Montana Education

Education Attained Count Percentage
Less Than 9th Grade971.44%
9th to 12th Grade2473.66%
High School Graduate2,41435.80%
Some College1,62124.04%
Associates Degree6609.79%
Bachelors Degree1,21918.08%
Graduate Degree4857.19%

Stillwater County, Montana Educational Attainment by Race

Name Total High School Bachelors
White6,3826,0851,618
Hispanic23022772
Native American67431
Other Race5959
Multiple Races474722
Black202
Asian64

The highest rate of high school graduation is among other race people with a rate of 100.00%.

The highest rate of bachelors degrees is among multiple races people with a rate of 46.81%.

Name Average Male Female
Overall$39,167$57,588$27,745
Less Than High School$47,868$49,191$
High School Grad$31,250$61,375$22,500
Some College$39,527$55,592$30,179
Bachelors Degree$40,855$53,125$35,463
Graduate Degree$54,732$63,393$52,750

$39,167

Average Earnings

$57,588

Average Male

$27,745

Average Female

Stillwater County, Montana Language

Stillwater County, Montana Language by Age

Stillwater County, Montana Language

96.32% of Stillwater County, Montana residents speak only English, while 3.68% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.47% of the population.

Stillwater County, Montana Poverty

Stillwater County, Montana Poverty by Race

Name Total In Poverty Poverty Rate
White8,6914925.66%
Hispanic3708924.05%
Other593254.24%
Multiple17895.06%
Native9799.28%

6.39%

Overall Poverty Rate

4.67%

Male Poverty Rate

8.12%

Female Poverty Rate

Poverty in Stillwater County, Montana

The race most likely to be in poverty in Stillwater County, Montana is Other, with 54.24% below the poverty level.

The race least likely to be in poverty in Stillwater County, Montana is Multiple, with 5.06% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.32%. Among those working part-time, it was 8.64%, and for those that did not work, the poverty rate was 9.32%.

Name Poverty
High School9.55%
Some College3.86%
Bachelors or Greater2.23%
Less Than High School2.13%

Stillwater County, Montana Income

Stillwater County, Montana Income by Household Type

Name Median Mean
Households$63,785$78,211
Families$79,395$90,798
Married Families$83,789-
Non Families$32,040$46,825

Stillwater County, Montana Marital Status

Stillwater County, Montana Marital Status

Marriage Rates

62.5%

Overall Marriage Rate

62.4%

Male Marriage Rate

62.6%

Female Marriage Rate

Stillwater County, Montana Married by Age and Sex

Stillwater 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.

Stillwater County, Montana Marital Status by Race

Stillwater County, Montana Veterans

675

Number of Veterans

621

Male Veterans

54

Female Veterans

War Veterans
Vietnam264
Second Gulf War90
First Gulf War62
Korea43
World War II28

Stillwater County, Montana Veterans by Race

Name Veterans % of Total
White6559.22%
Indian1318.57%
2 or More56.58%
Hispanic31.04%
Black210.00%

Stillwater County, Montana Veterans by Education

3.60%

Veteran Poverty Rate

39.19%

Veteran Disability Rate

Stillwater County, Montana Employment Status

61%

Labor Force Participation

58.6%

Employment Rate

3.9%

Unemployment Rate

Stillwater County, Montana Place of Birth

Origin of Non Citizens

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

Origin of Naturalized Citizens

54.13%

Born in Montana

98.51%

Native Born

1.49%

Foreign Born

0.81%

Non Citizen

Place of Birth

98.51% of Stillwater County, Montana residents were born in the United States, with 54.13% having been born in Montana. 0.81% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Population of Cities in Stillwater County, Montana

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990