Governor Thomas C. Fletcher House

Jefferson County, located in eastern Missouri, has a rich history dating back thousands of years. The area was originally inhabited by the Osage and Illinois Native American tribes. The first European settlers arrived in the late 18th century, including French trappers and traders. In 1808, the county was officially established and named after Thomas Jefferson, the third President of the United States.

During the 19th century, Jefferson County experienced significant growth as farmers and miners settled in the region. The fertile land attracted agricultural settlers who cultivated crops such as corn, wheat, and tobacco. The discovery of lead deposits in the area led to the emergence of lead mining as an important industry. In the mid-1800s, the construction of the Pacific Railroad through Jefferson County further fueled economic development and facilitated transportation.

The Civil War had a profound impact on Jefferson County, as it did on many regions in Missouri. Although the county officially remained loyal to the Union, it experienced both pro-Union and pro-Confederate sentiments. Skirmishes and guerrilla warfare occurred throughout the area, with local farms and towns often caught in the crossfire. The aftermath of the war brought challenges, but Jefferson County slowly recovered, with the mining industry regaining its significance and railroad expansion continuing.

In the 20th century, Jefferson County witnessed further growth and modernization. The population increased, and improvements in infrastructure, such as the construction of highways, facilitated transportation and communication. Changes in agriculture and industry led to shifts in the local economy. Today, Jefferson County is a mix of suburban and rural areas, with a diverse economy that includes manufacturing, services, agriculture, and tourism. The county continues to honor and preserve its historical heritage while embracing progress and development.