Lake St. Clair CDP, Missouri Demographics & Population 2026
As of 2026, Lake St. Clair CDP, Missouri has a total population of 670, the 455th largest city in Missouri, with a median household income of $80,392, which is 17% higher than the state average. The poverty rate is 0.0%.
Key Takeaways
- An exceptionally low poverty rate of 0.0% — among the lowest in Missouri.
- Unemployment rate of 16.0% is notably above the national average.
Lake St. Clair CDP Quick Facts
How Lake St. Clair CDP Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 39 | National average: 60
Education
Educational Attainment (Adults 25+)
Lake St. Clair CDP Rankings in Missouri
Explore Missouri Rankings
Cities Similar to Lake St. Clair CDP
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Hardin city | 683 | $75,606 | $96,700 | 15.0% | 9.4% |
| Pasadena Park village | 670 | $90,309 | $175,300 | 64.7% | 11.9% |
| Trimble city | 661 | $65,556 | $193,300 | 13.9% | 7.7% |
| Norborne city | 682 | $64,750 | $83,000 | 15.6% | 10.1% |
| Sycamore Hills village | 612 | $87,581 | $125,600 | 26.5% | 7.1% |
Population Overview
Lake St. Clair CDP is a small community located in Missouri. The total population is 670. It ranks as the 455th most populous out of 1,062 cities and towns in Missouri.
Age Demographics
The median age in Lake St. Clair CDP is 35.2 years. This is 10% lower than the state median of 38.9 years.
Economy, Income & Housing
The median household income in Lake St. Clair CDP is $80,392. This is 17% higher than the state median of $68,920. Compared to the national median of $78,538, household income here is 2% higher. The poverty rate stands at 0.0%. This is 100% lower than the state poverty rate of 12.6%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 16.0%. This is 288% higher than the state rate of 4.1%. The median home value is $219,300. Housing costs are 2% higher than the state median of $215,600. With a home-value-to-income ratio of just 2.7x, Lake St. Clair CDP is one of the most affordable housing markets in the area. 92.1% of occupied housing units are owner-occupied. This homeownership rate is 36% higher than the state average of 67.9%.
Race & Ethnicity
Lake St. Clair CDP has a predominantly White (non-Hispanic) population, comprising 87.6% of all residents. Hispanic or Latino residents account for 3.1%.
Education
14.0% of residents aged 25 and older hold a bachelor's degree or higher. This is 56% lower than the state rate of 31.9%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 89.6%.
Data Sources & Methodology
All demographic data for Lake St. Clair CDP, Missouri is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Missouri state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,062 Census-designated places in Missouri. For official data, visit data.census.gov.
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Frequently Asked Questions
What is the population of Lake St. Clair CDP, Missouri?
Lake St. Clair CDP, Missouri has a population of 670 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Lake St. Clair CDP, MO?
The median household income in Lake St. Clair CDP is $80,392, which is 2% higher the national median of $78,538.
What is the poverty rate in Lake St. Clair CDP, MO?
The poverty rate in Lake St. Clair CDP is 0.0%. This means approximately 0 residents live below the federal poverty line.
What is the racial makeup of Lake St. Clair CDP, Missouri?
Lake St. Clair CDP's population is 87.6% White, 0.0% Black, 3.1% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Lake St. Clair CDP, MO?
The median home value in Lake St. Clair CDP is $219,300. The home-value-to-income ratio is 2.7x.
How educated is Lake St. Clair CDP, Missouri?
14.0% of adults (25+) in Lake St. Clair CDP hold a bachelor's degree or higher, and 4.7% hold a graduate or professional degree.