West Alton Flag

West Alton

County Seat:
No
Area (mi²):
28.812
State:
Missouri

West Alton is a city located in St. Charles County, Missouri. West Alton has a 2025 population of 346. West Alton is currently declining at a rate of -0.57% annually and its population has decreased by -2.81% since the most recent census, which recorded a population of 356 in 2020.

The average household income in West Alton is $111,813 with a poverty rate of 1.76%.The median age in West Alton is 36.7 years: 38.2 years for males, and 33.8 years for females.

346
Total Population
12
Density (mi²)
-2 -0.57%
Growth

West Alton Population

West Alton Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of West Alton includes 98.04% White, and smaller percentages for Black or African American, Two or more races and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White50198.04%
Black or African American81.57%
Two or more races20.39%

West Alton Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

West Alton's average per capita income is $45,469. Household income levels show a median of $128,438. The poverty rate stands at 1.76%.

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$141,063-
Families$140,563$131,875
Households$128,438$111,813
Non Families$43,875$49,583

$45,469

Average Income

$128,438

Median Household Income

1.76%

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)