Map of Frontenac city, Missouri

Frontenac is a city in St. Louis County, Missouri, United States. The population was 3,612 at the 2020 census.

The community name is inspired by the New France governor Louis de Buade de Frontenac. Benjamin and Lora Wood, who laid out the community’s core called Frontenac Estates, that consisted of 26 two-acre estates, had made frequent trips to Quebec. The community was incorporated as 217 acres (88 ha) in 1947 and annexed another 967 acres (391 ha) in 1948. The community still consists mostly of houses on one-acre lots. French architecture is encouraged in design.

Frontenac city overview:
Name:	Frontenac city
LSAD Code:	25
LSAD Description:	city (suffix)
State:	Missouri
County:	St. Louis County
Elevation:	640 ft (200 m)
Total Area:	2.88 sq mi (7.46 km²)
Land Area:	2.88 sq mi (7.46 km²)
Water Area:	0.00 sq mi (0.00 km²)
Total Population:	3,612
Population Density:	1,253.73/sq mi (484.02/km²)
ZIP code:	63131
Area code:	314
FIPS code:	2926110
GNISfeature ID:	2394829

Online Interactive Map

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Frontenac online map. Source: Basemap layers from Google Map, Open Street Map (OSM), Arcgisonline, Wmflabs. Boundary Data from Database of Global Administrative Areas.