Musselshell County Flag

Musselshell County

State:
Montana
County Seat:
Roundup

Musselshell County's estimated 2025 population is 5,586 with a growth rate of 2.55% in the past year according to the most recent United States census data. Musselshell County is the 35th largest county in Montana. The 2010 population was 4,555 and has seen a growth of 22.63% since that time.

5,586
Total Population
3
Population Density (mi²)
35
Population Rank (State)
139 2.55%
Annual Population Growth

Musselshell County Population

Musselshell County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Musselshell County includes 88.3% White, 3.22% other race, and smaller percentages for Native American and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White4,47588.3%
Two or more races2965.84%
Other race1633.22%
Native American1342.64%

Musselshell County Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Musselshell County's average per capita income is $36,490. Household income levels show a median of $59,010. The poverty rate stands at 15.3%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$72,708-
Families$67,021$86,941
Households$59,010$81,413
Non Families$33,430$64,749

$36,490

Average Income

$59,010

Median Household Income

15.3%

Poverty Rate