Jefferson City Flag

Jefferson City

County Seat:
No
Area (mi²):
23.218
State:
Montana

Jefferson City is a CDP located in Jefferson County, Montana. Jefferson City has a 2025 population of 482 . Jefferson City is currently growing at a rate of 0.21% annually but its population has decreased by -19.13% since the most recent census, which recorded a population of 596 in 2020.

The average household income in Jefferson City is $92,283 with a poverty rate of 4.93%. The median age in Jefferson City is 38.8 years: 38.8 years for males, and 37.9 years for females. For every 100 females there are 100.0 males.

482
Total Population
21
Density (mi²)
1 0.21%
Growth

Jefferson City Population

Jefferson City Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Jefferson City includes 97.98% White, and smaller percentages for Two or more races and multiracial populations.

Population by Race

White (97.98%)

Two or more races (2.02%)

Race
Population
Percentage (of total)
White43797.98%
Two or more races92.02%

Jefferson City Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Jefferson City's average per capita income is $0. Household income levels show a median of $73,875. The poverty rate stands at 4.93%.

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
Families$106,964$121,141
Married Families$106,964-
Households$73,875$92,283
Non Families--

$0

Average Income

$73,875

Median Household Income

4.93%

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)