Lake St. Clair, MO
Population 670 · Missouri
About Lake St. Clair, MO
Lake St. Clair is a small community located in Missouri with a population of 670 residents according to the latest US Census Bureau American Community Survey data. The median household income is $80,392 per year, which is 7% above the national median of $75,149. The median age of 35.2 years is notably younger the US median age of 38.9 years, indicating a younger, often more dynamic population base.
Housing Market Overview
The housing market in Lake St. Clair features a median home value of $219,300, which is 10% below the national median of $244,900. This positions Lake St. Clair in a moderately priced market relative to the rest of the country. Median monthly rent is $0, 100% below the national average of $1,163/month. Of the 290 total housing units, 92% are owner-occupied (267 units) and 8% are renter-occupied (23 units). The high homeownership rate suggests a stable, established residential community.
Economy & Employment
The local economy in Lake St. Clair shows an unemployment rate of 16.0%, which is significantly above the national rate of 3.7%, suggesting economic challenges in the area. The poverty rate stands at 0.0%, below the national average of 12.4%, reflecting generally favorable economic conditions. Workers in Lake St. Clair have an average one-way commute time of 43.6 minutes, suggesting many residents commute to jobs in a nearby metro area.
Education & Demographics
13.9% of Lake St. Clair residents aged 25 and older hold a bachelor's degree or higher, compared to the national average of 33.7%. The lower educational attainment rate may reflect the area's industry mix, with more employment in trades, manufacturing, or agricultural sectors. The community's demographic composition includes 3.1% White, 0.0% Hispanic or Latino, 0.0% Black or African American, and 0.0% Asian residents, with 3.1% of the population being foreign-born.
Cost of Living in Lake St. Clair, MO
Compared to national averages, Lake St. Clair has a median household income of $80,392 (7% above the national median of $75,149). Home values average $219,300, which is 10% below the national median. Monthly rent at $0 is 100% below the US average of $1,163. Within Missouri, Lake St. Clair's income is 32% above the state average of $61,047, and home values are 45% above the state median of $150,786.
Why Live in Lake St. Clair, MO?
Lake St. Clair offers a strong local economy with a median household income of $80,392, well above the national average, and affordable housing with a median home value of $219,300, below the US average of $244,900, and rent that’s lower than the national average at $0/month. Additionally, the city features a low poverty rate of 0.0%, better than the national average.
Lake St. Clair has a population of 670 with a median age of 35.2 years. Compare Lake St. Clair with other cities to see how it stacks up, or explore all cities in Missouri.
Similar Cities Near Lake St. Clair
Cities in Missouri with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| Pasadena Park | 670 | $90,309 | $175,300 | Compare |
| Leeton | 667 | $52,273 | $100,000 | Compare |
| Parkway | 673 | $43,672 | $164,200 | Compare |
| Qulin | 673 | $23,713 | $71,500 | Compare |
| Bella Villa | 664 | $55,250 | $147,100 | Compare |
| Pleasant Hope | 679 | $61,607 | $142,500 | Compare |
| Trimble | 661 | $65,556 | $193,300 | Compare |
| Fordland | 681 | $49,167 | $119,600 | Compare |
Demographics
Racial & Ethnic Composition
Economy & Education
Housing
Other Cities in Missouri
Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
Compare Lake St. Clair With Other Cities
Frequently Asked Questions about Lake St. Clair
What is the population of Lake St. Clair, MO?
The population of Lake St. Clair, MO is 670 according to the latest US Census Bureau American Community Survey estimates. This makes it a small community in Missouri.
What is the median household income in Lake St. Clair?
The median household income in Lake St. Clair, MO is $80,392 per year, which is 7% above the national median of $75,149.
What is the median home value in Lake St. Clair?
The median home value in Lake St. Clair, MO is $219,300, which is 10% below the national median of $244,900. The majority of housing units are owner-occupied.
What is the average rent in Lake St. Clair?
The median monthly rent in Lake St. Clair, MO is $0, which is 100% below the national average of $1,163/month.
What is the unemployment rate in Lake St. Clair?
The unemployment rate in Lake St. Clair, MO is 16.0%, compared to the national average of 3.7%. Job seekers may want to research the dominant industries in the area.
Is Lake St. Clair, MO a good place to live?
Lake St. Clair offers above-average incomes, affordable housing, and growing employment opportunities. With a population of 670 and a median age of 35.2, the city appeals to a broad range of residents.
How educated is Lake St. Clair, MO?
13.9% of residents in Lake St. Clair aged 25 and older hold a bachelor's degree or higher, compared to the national average of 33.7%. The educational profile reflects the area's industry mix and employment landscape.
What is the cost of living in Lake St. Clair?
Key cost-of-living indicators for Lake St. Clair, MO: median home value is $219,300 (10% below national), median rent is $0/month, and median household income is $80,392. The home-value-to-income ratio is 2.7x, indicating relatively affordable housing relative to local incomes.
What is the poverty rate in Lake St. Clair?
The poverty rate in Lake St. Clair, MO is 0.0%, compared to the national average of 12.4%. This below-average poverty rate reflects generally favorable economic conditions in the community.
How diverse is Lake St. Clair, MO?
Lake St. Clair's population is 3.1% White, 0.0% Hispanic or Latino, 0.0% Black or African American, 0.0% Asian, and 0.0% two or more races. 3.1% of residents are foreign-born.