Augusta Flag

Augusta

County Seat:
No
Area (mi²):
0.88
State:
Missouri

Augusta is a town located in St. Charles County, Missouri. Augusta has a 2025 population of 267 . Augusta is currently declining at a rate of -0.37% annually and its population has decreased by -1.48% since the most recent census, which recorded a population of 271 in 2020.

The average household income in Augusta is $119,348 with a poverty rate of 3.65%. The median age in Augusta is 51.8 years: 53.3 years for males, and 48.3 years for females. For every 100 females there are 93.0 males.

267
Total Population
303
Density (mi²)
-1 -0.37%
Growth

Augusta Population

Augusta Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Augusta includes 97.08% White, and smaller percentages for Two or more races and multiracial populations.

Population by Race

White (97.08%)

Two or more races (2.92%)

Race
Population
Percentage (of total)
White26697.08%
Two or more races82.92%

Augusta Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Augusta's average per capita income is $49,375. Household income levels show a median of $100,250. The poverty rate stands at 3.65%.

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$109,712-
Families$109,327$141,668
Households$100,250$119,348
Non Families$64,167$74,176

$49,375

Average Income

$100,250

Median Household Income

3.65%

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)