Frontenac, MO Profile: Facts, Map & Data


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Frontenac, Missouri - Basic Facts

The City of Frontenac had a population of 3,459 as of July 1, 2018. Frontenac ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Missouri. See peer rankings below.

The primary coordinate point for Frontenac is located at latitude 38.6299 and longitude -90.4189 in St. Louis County. The formal boundaries for the City of Frontenac (see map below) encompass a land area of 2.88 sq. miles and a water area of 0 sq. miles. St. Louis County is in the Central time zone (GMT -6). The elevation is 574 feet.

The City of Frontenac (GNIS ID: 2394829) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

The City of Frontenac is located within Township of Missouri River, a minor civil division (MCD) of St. Louis County.

Beneath the boundary map are tables with Frontenac population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2018.

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City of Frontenac, MO Boundary Map

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Boundary Maps: Township of Missouri River | St. Louis County | Missouri Counties

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Frontenac, MO Data & Demographics (As of July 1, 2018)


Total Population 3,459
Population in Households 3,417
Population in Familes 3,017
Population in Group Qrtrs 42
Population Density2 1,201
Diversity Index3 25


Median Household Income $144,405
Average Household Income $212,552
Per Capita Income $80,524


Total Housing Units 1,360 (100%)
Owner Occupied HU 1,144 (84.1%)
Renter Occupied HU 105 ( 7.7%)
Vacant Housing Units 111 ( 8.2%)
Median Home Value $578,171
Average Home Value $675,372


Total Households 1,249
Average Household Size 2.74
Family Households 949
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population -0.08% -0.05%
Households -0.17% -0.1%
Families -1.06% -0.15%
Median Household Income   0.74%
Per Capita Income   1.43%

Frontenac, MO - Peer Comparisons by Rank and Percentile

The table below compares Frontenac to the other 1,032 incorporated cities, towns and CDPs in Missouri by rank and percentile using July 1, 2018 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 184 82nd
Population Density # 260 75th
Diversity Index # 199 81st
Median Household Income # 7 99th
Per Capita Income # 8 99th

Additional comparisons and rankings can be made with a VERY EASY TO USE Missouri Census Data Comparison Tool.

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