Augusta Flag

Augusta

County Seat:
No
Area (mi²):
1.03
State:
Missouri

Augusta is a town located in St. Charles County, Missouri. Augusta has a 2026 population of 266. Augusta is currently declining at a rate of -0.37% annually and its population has decreased by -1.85% since the most recent census, which recorded a population of 271 in 2020.

The median household income in Augusta is $103,750 with a poverty rate of 2.11%. The median age in Augusta is 51.8 years: 54.3 years for males, and 48.2 years for females. For every 100 females there are 90.0 males.

266
Total Population
258
Density (mi²)
-1 -0.37%
Growth

Augusta Population

Augusta Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026266-1-0.37%
2025267-1-0.37%
202426810.37%
2023267-1-0.37%
2022268-1-0.37%
2021269-2-0.74%
202027100%
2019266-2-0.75%
2018268-1-0.37%
201726910.37%
201626800%
2015268-1-0.37%
201426931.13%
201326600%
2012266-1-0.37%
2011267145.53%
201026700%

Median Age

Overall: 51.8 years
Female: 48.2 years
Male: 54.3 years

Augusta Adults

There are 227 adults, (78 of whom are seniors) in Augusta.

Sex Ratio

Female: 150 (52.6%)
Male: 135 (47.4%)

Demographics

The racial composition of Augusta includes 97.54% White, and smaller percentages for Two or more races and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White27897.54%
Two or more races72.46%
Race
Population ↓
Percentage (of total)
Two or more races10.35%
Race
Population ↓
Percentage (of total)
White27897.54%
Two or more races62.11%

Augusta Marital Status

Economics and Income Statistics

Augusta 's average per capita income is $56,250. Household income levels show a median of $103,750. The poverty rate stands at 2.11%.

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$116,500-
Families$115,250$130,542
Households$103,750$107,142
Non Families$65,833$66,677

$56,250

Average Income

$103,750

Median Household Income

2.11%

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)