St. Charles County, Missouri, is home to the “Technology Triangle,” and is the state’s fastest growing county, largely due to its development of high-tech, manufacturing and electronic businesses. There are more than 280,000 residents in the county, and more than 9,000 businesses. St. Charles County is also one of the most historically significant places on the North American continent.

The District of St. Charles was first established on October 1, 1812, by Governor William Clark of the famed Lewis & Clark Expedition. The district extended from the Missouri River on the south to the Canadian border on the north, and from the Mississippi River on the east to the Pacific Ocean. It comprised all of what is now Minnesota and Iowa and major portions of the states of Idaho, Missouri, Montana, North Dakota, South Dakota, Washington, and Oregon.

The famed pioneer, Daniel Boone, was one of the early settlers in St. Charles County, migrating from Kentucky in 1795 and residing in the county until his death in September 1820.

The city of St. Charles is also the county seat, and is the organization point of the famed Lewis and Clark Expedition. The duo embarked on the Missouri River from St. Charles in 1804 to explore the Northwest Territory. Other cities of interest: Augusta, Cottleville, Dardenne Prairie, Flint Hill, Foristell, Josephville, Lake Saint Louis, New Melle, O' Fallon, Portage Des Sioux, Saint Paul, Saint Peters, Weldon Spring, Weldon Spring Heights and Wentzville.

In 2004, a new park will open in St. Charles County, at the point where two of the greatest rivers in the nation meet. The Edward “Ted” and Pat Jones – Confluence Point State Park will open on the 1,118 acres where the Mississippi and the Missouri come together. Planned are nature studies, river-related recreation and hiking. Interpretation on the river and the Lewis and Clark Expedition also will be provided.