Thompson Falls Flag

Thompson Falls

County:
Sanders County
County Seat:
Yes
Area (mi²):
1.594
State:
Montana

Thompson Falls is a city located in Sanders County, Montana. Thompson Falls has a 2026 population of 1,605. It is also the county seat of Sanders County. Thompson Falls is currently growing at a rate of 2.56% annually and its population has increased by 17.41% since the most recent census, which recorded a population of 1,367 in 2020.

The median household income in Thompson Falls is $46,313 with a poverty rate of 6.49%. The median age in Thompson Falls is 48.8 years: 48.1 years for males, and 50.7 years for females. For every 100 females there are 92.6 males.

1.6K
Total Population
1,007
Density (mi²)
40 2.56%
Growth

Thompson Falls Population

Thompson Falls Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20261,605402.56%
20251,565392.56%
20241,526181.19%
20231,508382.59%
20221,470503.52%
20211,420533.88%
20201,36770.51%
20191,408251.81%
20181,38350.36%
20171,378272%
20161,351201.5%
20151,331-3-0.22%
20141,33410.08%
20131,333-9-0.67%
20121,34240.3%
20111,338251.9%
20101,327120.91%

Median Age

Overall: 48.8 years
Female: 50.7 years
Male: 48.1 years

Thompson Falls Adults

There are 1,178 adults, (457 of whom are seniors) in Thompson Falls.

Sex Ratio

Female: 779 (51.9%)
Male: 721 (48.1%)

Demographics

The racial composition of Thompson Falls includes 86.4% White, and smaller percentages for Native American, Black or African American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White1,29686.4%
Two or more races18012%
Native American171.13%
Black or African American70.47%
Race
Population ↓
Percentage (of total)
Two or more races644.27%
Race
Population ↓
Percentage (of total)
White1,29686.4%
Two or more races1167.73%
Native American171.13%
Black or African American70.47%

Thompson Falls Marital Status

Economics and Income Statistics

Thompson Falls ' average per capita income is $32,943. Household income levels show a median of $46,313. The poverty rate stands at 6.49%.

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$68,790-
Families$65,694$70,318
Households$46,313$58,256
Non Families$29,722$37,926

$32,943

Average Income

$46,313

Median Household Income

6.49%

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)