Westby Flag

Westby

County:
Sheridan County
County Seat:
No
Area (mi²):
0.562
State:
Montana

Westby is a town located in Sheridan County, Montana. Westby has a 2026 population of 159. Westby is currently declining at a rate of -0.62% annually and its population has decreased by -4.79% since the most recent census, which recorded a population of 167 in 2020.

The median household income in Westby is $32,500 with a poverty rate of 8.28%. The median age in Westby is 53.3 years: 59.4 years for males, and 49.7 years for females. For every 100 females there are 119.7 males.

159
Total Population
283
Density (mi²)
-1 -0.62%
Growth

Westby Population

Westby Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026159-1-0.62%
2025160-2-1.23%
2024162-2-1.22%
2023164-3-1.8%
2022167-1-0.6%
202116810.6%
202016700%
2019154-3-1.91%
2018157-4-2.48%
2017161-7-4.17%
2016168-4-2.33%
201517210.58%
201417110.59%
201317010.59%
201216942.42%
2011165-3-1.79%
2010162-1-0.61%

Median Age

Overall: 53.3 years
Female: 49.7 years
Male: 59.4 years

Westby Adults

There are 237 adults, (52 of whom are seniors) in Westby.

Sex Ratio

Female: 132 (45.5%)
Male: 158 (54.5%)

Demographics

The racial composition of Westby includes 98.62% White, and smaller percentages for Two or more races and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White28698.62%
Two or more races41.38%
Race
Population ↓
Percentage (of total)
White28698.62%
Two or more races41.38%

Westby Marital Status

Economics and Income Statistics

Westby 's average per capita income is $55,461. Household income levels show a median of $32,500. The poverty rate stands at 8.28%.

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$63,750-
Families$51,875$72,647
Households$32,500$52,099
Non Families$25,852$29,594

$55,461

Average Income

$32,500

Median Household Income

8.28%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)