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 2025 population of 3,816 . Frontenac is currently growing at a rate of 1.03% annually and its population has increased by 5.41% since the most recent census, which recorded a population of 3,620 in 2020.

The average household income in Frontenac is $393,584 with a poverty rate of 2.04%. The median age in Frontenac is 45.8 years: 44.7 years for males, and 47.6 years for females. For every 100 females there are 104.4 males.

3.8K
Total Population
1,324
Density (mi²)
39 1.03%
Growth

Frontenac Population

Frontenac Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Frontenac includes 79.86% White, 9.35% Asian, and smaller percentages for Black or African American, other race and multiracial populations.

Population by Race

White (79.86%)

Asian (9.35%)

Two or more races (8.09%)

Black or African American (2.53%)

Other race (0.16%)

Race
Population
Percentage (of total)
White2,93079.86%
Asian3439.35%
Two or more races2978.09%
Black or African American932.53%
Other race60.16%

Frontenac Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Frontenac's average per capita income is $133,333. Household income levels show a median of $225,813. The poverty rate stands at 2.04%.

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$250,001$452,557
Married Families$250,001-
Households$225,813$393,584
Non Families$104,844$127,217

$133,333

Average Income

$225,813

Median Household Income

2.04%

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)