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Frontenac is located in the 63131 Zip Code

Demographics

As of the census of 2000, there were 3,483 people, 1,297 households, and 1,050 families residing in the city. The population density was 1,221.3 people per square mile (471.9/km²). There were 1,360 housing units at an average density of 476.9/sq mi (184.2/km²). The racial makeup of the city was 95.12% White, 0.80% African American, 0.09% Native American, 2.78% Asian, 0.14% from other races, and 1.06% from two or more races. Hispanic or Latinoof any race were 0.95% of the population.

There were 1,297 households out of which 32.8% had children under the age of 18 living with them, 74.9% were married couples living together, 4.2% had a female householder with no husband present, and 19.0% were non-families. 17.2% of all households were made up of individuals and 9.4% had someone living alone who was 65 years of age or older. The average household size was 2.67 and the average family size was 3.00.

In the city the population was spread out with 26.3% under the age of 18, 3.4% from 18 to 24, 18.1% from 25 to 44, 31.0% from 45 to 64, and 21.2% who were 65 years of age or older. The median age was 46 years. For every 100 females there were 92.2 males. For every 100 females age 18 and over, there were 92.0 males.

The median income for a household in the city was $119,508, and the median income for a family was $136,972. Males had a median income of $100,000 versus $47,344 for females. The per capita income for the city was $64,532. About 0.8% of families and 1.2% of the population were below the poverty line, including 0.6% of those under age 18 and 1.0% of those age 65 or over.

School District

Ladue School District

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