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Welcome To

St. Clair County

Building Construction Information

The St. Clair County Administration and Courts Building is preparing to undergo extensive renovations that will affect parking, traffic, and building access. To aid those who are planning on visiting the building, we have set up an informational page that will provide the most up-to-date notices.  

Fair St Clair Logo - July 30 - Aug 1, 2026

The Fair is returning to Belle-Clair Fairgrounds Park! 

Join us for the exciting comeback of stock car racing, live performances from national and local music acts, the Miss St. Clair County Fair Pageant, and plenty more fun for the whole family. Don’t miss this celebration of community, entertainment, and tradition!  

Click on the logo for the Fair St. Clair website

WELCOME TO

St. Clair County

St. Clair County is known for its excellent quality of life, with numerous parks, recreational facilities, and cultural attractions for residents and visitors to enjoy. We have a strong commitment to education, with top-rated schools and a variety of higher education options available.

For businesses, we offer economic development resources such as information on available commercial properties, incentives for new businesses, and resources for existing businesses looking to expand. Our website also provides information on procurement opportunities and how to do business with the county. Additionally, we offer a variety of networking and business development events throughout the year to help local businesses connect and grow.