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Frontenac, MO
Key Indicators
A quick look at key numbers
Population
3,701
Source: U.S. Census Bureau American Community Survey (ACS) 2020-2024 5-Year Estimates
Median Age
46.3
years ∙ half population younger than 46.3, half older
Diversity Index
40.3%
chance two random people differ in race and ethnicity
Nativity
14.9%
foreign-born population
Geographic Context
Location, size, and surroundings
About
Frontenac is a city within St. Louis County, Missouri, United States.
Co-ordinates
DEC38.630063° N, 90.418973° W
DMS38° 37′ 48.23″ N, 90° 25′ 08.30″ W
Population Density & area
1,285/sq mi
(496.1/km²)
Demographics & Living
Who lives here, how households are formed, and community composition
Population Composition
Key characteristics of the population
Sex Distribution
50.7%
male
Male
50.7%
Female
49.3%
males per 100 females
Frontenac
102.8
St. Louis County
91.7
Missouri
97.2
Nativity
14.9%
foreign-born population
% Foreign-born
Frontenac
14.9%
St. Louis County
8.4%
Missouri
4.5%
Age Distribution
How the population is spread across age groups
Median Age
46.3
years ∙ half population younger than 46.3, half older
Dependency ratio
81.3
dependents per 100 working-age adults
Frontenac
81.3
St. Louis County
69.8
Missouri
67.3
AGE DISTRIBUTION
Distribution of age group
Median age
| Frontenac | St. Louis County | Missouri | |
|---|---|---|---|
| Age Group | |||
| Children (Under 18) | 26.4% | 22% | 22.3% |
| Working age (18-64) | 55.1% | 58.9% | 59.8% |
| Senior (65+) | 18.5% | 19.1% | 17.9% |
| Dependency ratio | |||
| Total dependency ratio | 81.3 | 69.8 | 67.3 |
| Child dependency ratio | 47.8 | 37.3 | 37.4 |
| Old-age dependency ratio | 33.5 | 32.5 | 29.9 |
Racial & Ethnic Composition
Racial and ethnic makeup and how it compares
Race & Ethnicity
Note: White, Black, and Asian refer to individuals belonging to a single race and not of Hispanic origin. Hispanics may be of any race.
Diversity Index
40.3%
chance two random people differ in race and ethnicity
Frontenac
40.3%
St. Louis County
55.9%
Missouri
40%
Note: The Diversity Index (DI), based on the Blau Index, measures the probability that two randomly selected individuals differ in race and ethnicity. Values range from 0 (no diversity) to 1 (high diversity) and are shown as percentages.
RACIAL & ETHNIC COMPOSITION
Race & Ethnicity
Percentage of Frontenac population
| Frontenac | St. Louis County | Missouri | |
|---|---|---|---|
| Hispanic or Latino | 1.2% | 3.9% | 5.2% |
| Mexican | 0.4% | 2.3% | 3.2% |
| Puerto Rican | 0.1% | 0.2% | 0.4% |
| Cuban | 0.7% | 0.1% | 0.1% |
| Other Hispanic / Latino | 0% | 1.2% | 1.4% |
| Not Hispanic or Latino | 98.8% | 96.1% | 94.8% |
| One race | 92.3% | 90.8% | 90% |
| White | 75.8% | 61.4% | 76.3% |
| Black or African American | 3.4% | 24% | 10.9% |
| American Indian and Alaska Native | 0% | 0.1% | 0.2% |
| Asian | 13.1% | 4.9% | 2.1% |
| Native Hawaiian and Other Pacific Islander | 0% | 0% | 0.1% |
| Some Other Race | 0% | 0.5% | 0.4% |
| Two or more races (Multiracial) | 6.5% | 5.3% | 4.8% |
Household & Families Composition
Household size, type, and family structure
Household structure
82.4%
family
Family
82.4%
Non family
17.6%
% family households
Frontenac
82.4%
St. Louis County
61.7%
Missouri
62.1%
Average household size
3.06
persons per household
Household & Family COMPOSITION
Households
Percentage of Frontenac population
| Frontenac | St. Louis County | Missouri | |
|---|---|---|---|
| Total households | 1,197 | 413,849 | 2,508,227 |
| Average houshold size | 3.06 | 2.36 | 2.4 |
| Family households | 986 | 255,411 | 1,558,009 |
| Average family size | 3.47 | 3.02 | 3.03 |
| Married couple family | 955 | 183,709 | 1,166,368 |
| Other families | 31 | 71,702 | 391,641 |
| Male householder | 25 | 18,008 | 115,975 |
| Female householder | 6 | 53,694 | 275,666 |
| Non-family households | 211 | 158,438 | 950,218 |
| One-person households | 188 | 135,312 | 781,034 |
| Male householder | 97 | 54,383 | 351,809 |
| Senior (65+) living alone | 23 | 17,170 | 107,203 |
| Female householder | 91 | 80,929 | 429,225 |
| Senior (65+) living alone | 68 | 41,040 | 215,073 |
| Other living arrangements | 23 | 23,126 | 169,184 |
Housing Profile
Housing stock, ownership, rentals, and cost burdens
Total housing units
1,197
housing units
Frontenac
1,197
St. Louis County
446,192
Missouri
2,825,287
Occupancy status
100%
occupied
Occupied
100%
Vacant
0%
vacancy rate
Frontenac
0%
St. Louis County
7.2%
Missouri
11.2%
Housing Characteristics
How the housing supply is structured and used
Types of Housing unit
100%
Single family houses
Median Year Built
1969
Half of houses were built before 1969, and half after.
Note: Median year built reflects occupied units only; distribution includes all units.
Housing Characteristics
Units, rooms & bedrooms
Physical characteristics of housing units
| Frontenac | St. Louis County | Missouri | |
|---|---|---|---|
| Rooms per unit | |||
| Median rooms | 10 | 5.9 | 5.7 |
| 1–3 rooms | 0% | 10.6% | 11.5% |
| 4–6 rooms | 12.8% | 50% | 53.4% |
| 7+ rooms | 87.1% | 39.5% | 35% |
| Bedrooms | |||
| No bedroom / studio | 0% | 1.2% | 2% |
| 1 bedroom | 0% | 9.5% | 9.7% |
| 2 bedrooms | 1.8% | 28% | 26.1% |
| 3 bedrooms | 17.5% | 36.2% | 41.3% |
| 4+ bedrooms | 80.8% | 25.2% | 20.9% |
| At a glance | |||
| Median year built | 1969 | 1969 | 1979 |
| Total housing units | 1,197 | 446,192 | 2,825,287 |
Occupancy Profile
Who is inside and how they use it
Homeownership
97.4%
owners
Renter-occupied
2.6%
Owner-occupied
97.4%
homeownership rate
Frontenac
97.4%
St. Louis County
69.2%
Missouri
68.1%
Average household size
2.92
Owner-occupied
8.32
Renter-occupied
owner-occupied average size
Frontenac
2.92
St. Louis County
2.49
Missouri
2.54
Housing Characteristics
Occupied unit characteristics
Tenure, crowding, and utilities
| Frontenac | St. Louis County | Missouri | |
|---|---|---|---|
| Total occupied units | 1,197 | 413,849 | 2,508,227 |
| Year moved in | |||
| 2020 or later | 21% | 22.1% | 24.7% |
| 2010 to 2019 | 32.3% | 38.5% | 40% |
| 2000 to 2009 | 20.2% | 16.7% | 16.5% |
| 1999 or earlier | 26.5% | 22.8% | 18.8% |
| Occupants per room | |||
| 1.00 or fewer | 100% | 98.6% | 98.3% |
| 1.01 to 1.50 | 0% | 1% | 1.2% |
| 1.51 or more | 0% | 0.4% | 0.5% |
| Vehicles availability | |||
| No vehicles | 1.7% | 6.6% | 6.6% |
| 1 vehicle | 12.5% | 37% | 33% |
| 2 vehicles | 44.7% | 39.1% | 37.5% |
| 3 or more vehicles | 41.1% | 17.2% | 22.8% |
| House heating fuel used | |||
| Gas | 89.2% | 76% | 57.7% |
| Electricity | 10.8% | 23.4% | 38.8% |
| Solar | 0% | 0.1% | 0.1% |
| Fuel oil, kerosene etc | 0% | 0.1% | 0.2% |
| All other fuels | 0% | 0.2% | 2.8% |
| No fuel used | 0% | 0.3% | 0.4% |
| Selected characteristics | |||
| Lacking complete plumbing | 0% | 0.2% | 0.4% |
| Lacking complete kitchen | 0% | 0.6% | 0.8% |
| No telephone service available | 0% | 0.5% | 0.9% |
Housing Value
What owner-occupied units are worth
Median home value
$979,800
owner-occupied units
Housing Cost Burden
18.8%
of homeowners with a mortgage are cost-burdened
Note: Households spending 30% or more of their income on housing costs are considered cost-burdened.
Financial characteristics
Property value and housing costs
Tenure, crowding, and utilities
| Frontenac | St. Louis County | Missouri | |
|---|---|---|---|
| Property value | |||
| Median Value | $979,800 | $276,800 | $230,300 |
| Under $100,000 | 1% | 11.2% | 15.9% |
| $100,000 - $200,000 | 0% | 22.1% | 25.7% |
| $200,000 - $300,000 | 0% | 20.9% | 24.1% |
| $300,000 - $500,000 | 7.7% | 26.5% | 23.6% |
| $500,000 - $1,000,000 | 43.1% | 15.5% | 9.1% |
| $1,000,000 and more | 48.1% | 3.8% | 1.6% |
| Owner-occupied households | |||
| With a mortgage | 64.8% | 64.1% | 60.2% |
| Without a mortgage | 35.2% | 35.9% | 39.8% |
| Median monthly owner costs | |||
| With a mortgage | $4,001 | $1,753 | $1,524 |
| Without a mortgage | $1,501 | $698 | $546 |
| Gross rent | |||
| Median rent | $— | $1,209 | $1,033 |
Education Profile
How educated is the community and how education pays off
Adults with a college degree
79.9%
of adults 25+ with a bachelor's degree or higher
Frontenac
79.9%
St. Louis County
47.4%
Missouri
32.4%
Adults without a high school diploma
2.5%
of adults (25+) without a high school diploma
Frontenac
2.5%
St. Louis County
5.5%
Missouri
8.2%
School Enrollment
Who is enrolled in school and at what level
School enrollment
1,160
population (age 3+) enrolled in school
College-going rate (18-24 yr olds)
47.8%
of 18-24-year-olds in college or graduate school
Enrollment & school type
Enrollment levels, college-going rate, and public vs private school split
Population 3+ currently enrolled in a school
| Frontenac | St. Louis County | Missouri | |
|---|---|---|---|
| Total enrolled (age 3+) | 1,160 | 239,585 | 1,440,482 |
| Nursery / preschool | 3.1% | 7.4% | 6.3% |
| K–12 | 82.2% | 68.2% | 69.4% |
| Kindergarten | 0.3% | 5.2% | 5.1% |
| Elementary: Grades 1–4 | 6.6% | 19.8% | 20.5% |
| Elementary: Grades 5–8 | 37% | 21.1% | 21.7% |
| High School: Grades 9–12 | 38.4% | 22.1% | 22% |
| College or graduate school | 14.7% | 24.4% | 24.3% |
| College, undergraduate | 14.7% | 17.4% | 18.7% |
| Graduate, professional school | 0% | 7% | 5.6% |
| College-going rate · 18-24 yr olds | 47.8% | 40.5% | 38.1% |
| School type | |||
| Public school | 50.4% | 72.1% | 80.3% |
| Private school | 49.6% | 27.9% | 19.7% |
Education Attainment by Level & Gender
What is the highest level of education completed among adults
Education attainment
2,369
population 25 years and over
Attainment by gender
Male vs Female
Adults (25+) · Share within each education level
Educational Attainment Overview
Distribution and key education attainment rates for adults (25+)
Highest credential completed · adults 25+
| Frontenac | St. Louis County | Missouri | |
|---|---|---|---|
| Population (25+) | 2,369 | 693,174 | 4,243,115 |
| Less than 9th grade | 0.5% | 1.8% | 2.7% |
| 9th–12th, no diploma | 2% | 3.7% | 5.5% |
| High school diploma or GED | 5.1% | 20.7% | 30.2% |
| Some college, no degree | 11.7% | 18.6% | 20.8% |
| Associate's degree | 0.8% | 7.8% | 8.4% |
| Bachelor's degree or higher | 79.9% | 47.4% | 32.4% |
| Bachelor's degree | 41.4% | 27% | 19.8% |
| Graduate or professional | 38.5% | 20.4% | 12.6% |
| High School or higher | 97.6% | 94.5% | 91.9% |
Earnings by education level
percentage as applicable
Median Earnings
$123,970
Median earnings for adults 25+, by level
Poverty Rate
2.2%
for ages 25+, with bachelors degree or higher
Outcomes by Education Level
Earnings and poverty rates across education levels (25+)
Adults 25+
| Frontenac | St. Louis County | Missouri | |
|---|---|---|---|
| Median earnings | |||
| Population 25+, with earnings | $123,970 | $56,448 | $49,030 |
| Less than high school graduate | $71,477 | $34,366 | $32,024 |
| High school graduate (includes equivalency) | $— | $36,932 | $38,607 |
| Some college or associate's degree | $— | $45,322 | $44,914 |
| Bachelor's degree | $120,625 | $71,634 | $61,818 |
| Graduate or professional degree | $183,750 | $93,919 | $75,454 |
| Poverty rates | |||
| Less than high school graduate | 0% | 22.3% | 26.4% |
| High school graduate (includes equivalency) | 0% | 13.4% | 14.4% |
| Some college or associate's degree | 2.2% | 9.1% | 9.7% |
| Bachelor's degree or higher | 2.2% | 3.8% | 4.3% |
About Neilsberg Research
Neilsberg Research team are data scientists with expertise in processing, analysis and visualization of big data helping small businesses make right decisions.
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