St. Charles County

Experience the Growth of St. Charles County

Located in the heart of eastern Missouri, St. Charles County is one of the most vibrant and rapidly expanding regions in the state. As of the 2020 census, it boasts a population of over 405,000, making it Missouri’s third-most populous county. Home to the historic city of St. Charles — the original state capital — the county blends rich heritage with modern development. St. Charles County is known for its award-winning school districts, family-friendly communities, and booming housing market. From the charming streets of Cottleville to the retail hubs of O’Fallon and the waterfront trails of Weldon Spring, it offers a diverse range of neighborhoods and lifestyles. Recognized as Missouri’s wealthiest county, and one of the fastest-growing in the United States, St. Charles County attracts both first-time buyers and those seeking luxury or investment properties. Whether you’re drawn by top-tier amenities, strong property values, or a tight-knit suburban feel, this area is a prime destination for homeownership.