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Data on this report is based on areas within the legal city boundary, outlined in black on the map. Any additional neighborhoods shown on the map are associated with the city by name and are included for reference only.

St. Clair, MO
Real Estate & Demographic Data






St. Clair profile


Living in St. Clair



St. Clair is a very small city located in the state of Missouri. With a population of 4,752 people and three associated neighborhoods, St. Clair is the 141st largest community in Missouri.

It is a fairly quiet city because there are relatively few of those groups of people who have a tendency to be noisy. (Children, for example, often can't help themselves from being noisy, and being parents ourselves, we know!) St. Clair has relatively few families with children living at home, and is quieter because of it. Renters and college students, for their own reasons, can also be noisy. St. Clair has few renters and college students. But the biggest reason it is quieter in St. Clair than in most places in America, is that there are just simply fewer people living here. If you think trees make good neighbors, St. Clair may be for you.

The population of St. Clair has one of the lowest overall levels of education in the country: only 5.72% of people over 25 hold a college degree. The national average for all municipalities is 21.84%.

The per capita income in St. Clair in 2018 was $21,963, which is lower middle income relative to Missouri, and low income relative to the rest of the US. This equates to an annual income of $87,852 for a family of four. However, St. Clair contains both very wealthy and poor people as well.

The people who call St. Clair home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of St. Clair residents report their race to be White, followed by Black or African-American. Important ancestries of people in St. Clair include German, Irish, English, Polish, and Italian.

The most common language spoken in St. Clair is English. Other important languages spoken here include Italian and Polish.


Real Estate in Popular St. Clair Neighborhoods

Zip Codes in St. Clair, MO