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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.

The city is relatively quiet, having a combination of lower population density and few of those groups of people who have a tendency to be noisy. For example, St. Clair has relatively fewer families with younger children, and/or college students. Combined, this makes St. Clair a pretty quiet place to live overall. If you like quiet, you will probably enjoy it here.

In terms of college education, St. Clair ranks among the least educated cities in the nation, as only 5.72% of people over 25 have a bachelor's degree or advanced degree.

The per capita income in St. Clair in 2022 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