Frontenac Flag

Frontenac

County Seat:
No
Area (mi²):
2.881
State:
Missouri

Frontenac is a city located in St. Louis County, Missouri. Frontenac has a 2026 population of 3,855. Frontenac is currently growing at a rate of 1.02% annually and its population has increased by 6.49% since the most recent census, which recorded a population of 3,620 in 2020.

The median household income in Frontenac is $233,425 with a poverty rate of 1.99%. The median age in Frontenac is 46.3 years: 45.2 years for males, and 48.2 years for females. For every 100 females there are 102.8 males.

3.9K
Total Population
1,338
Density (mi²)
39 1.02%
Growth

Frontenac Population

Frontenac Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20263,855391.02%
20253,816391.03%
20243,777431.15%
20233,734310.84%
20223,703170.46%
20213,686772.13%
20203,620752.12%
20193,545110.31%
20183,534150.43%
20173,519110.31%
20163,50880.23%
20153,500330.95%
20143,467190.55%
20133,44860.17%
20123,442140.41%
20113,428160.47%
20103,412-70-2.01%
20003,4831093.23%
19903,374-280-7.66%
19803,654-266-6.79%
19703,92083126.9%
19603,08900%

Median Age

Overall: 46.3 years
Female: 48.2 years
Male: 45.2 years

Frontenac Adults

There are 2,725 adults, (684 of whom are seniors) in Frontenac.

Sex Ratio

Female: 1,825 (49.3%)
Male: 1,876 (50.7%)

Demographics

The racial composition of Frontenac includes 75.82% White, 13.05% Asian, 3.43% Black or African American, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White2,80675.82%
Asian48313.05%
Two or more races2857.7%
Black or African American1273.43%
Race
Population ↓
Percentage (of total)
Two or more races441.19%
Race
Population ↓
Percentage (of total)
White2,80675.82%
Asian48313.05%
Two or more races2416.51%
Black or African American1273.43%

Frontenac Marital Status

Economics and Income Statistics

Frontenac 's average per capita income is $123,970. Household income levels show a median of $233,425. The poverty rate stands at 1.99%.

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$250,001-
Families$234,850$418,951
Households$233,425$378,905
Non Families$138,177$191,766

$123,970

Average Income

$233,425

Median Household Income

1.99%

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)