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 3,777. Frontenac is currently growing at a rate of 1.15% annually and its population has increased by 4.34% since the most recent census, which recorded a population of 3,620 in 2020.

3.8K
Total Population
1,311
Density (mi²)
43 1.15%
Growth

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)