Geography of Dunklin County, Missouri

By | April 4, 2024

Geography of Dunklin County, Missouri

Dunklin County, located in the southeastern corner of Missouri, is a region characterized by its fertile farmland, meandering rivers, and diverse ecosystems. From its rolling hills and bottomland forests to its agricultural plains and small towns, Dunklin County offers residents and visitors alike a glimpse into the natural beauty and rural charm of the Missouri Bootheel.

Topography and Landforms:

According to Mcat-Test-Centers, Dunklin County’s geography is predominantly flat, with gently rolling hills and low-lying plains. The county is situated within the Mississippi Alluvial Plain, also known as the Mississippi Delta region, which extends across much of southeastern Missouri, northeastern Arkansas, and northwestern Tennessee.

The landscape in Dunklin County varies from the rich, fertile plains of the Bootheel region in the west to the forested lowlands along the St. Francis River in the east. Elevations range from around 250 feet above sea level in the western part of the county to around 150 feet in the eastern part near the river.

In addition to its natural features, Dunklin County is also home to several historic sites and landmarks, including the city of Kennett, which serves as the county seat, and the historic village of Hornersville, which dates back to the early 19th century.


Dunklin County experiences a humid subtropical climate, characterized by hot, humid summers and mild, relatively dry winters. The region’s climate is influenced by its location within the southeastern United States and its proximity to the Gulf of Mexico.

Summers in Dunklin County are typically hot and humid, with average high temperatures ranging from the upper 80s to the low 90s Fahrenheit (about 31-34 degrees Celsius). Heatwaves are common during the summer months, with temperatures occasionally exceeding 100 degrees Fahrenheit (about 38 degrees Celsius).

Winters in Dunklin County are mild and relatively dry, with average low temperatures dropping into the 20s and 30s Fahrenheit (about -6 to 1 degree Celsius). Snowfall is rare, but occasional light snow or freezing rain may occur during winter storms.

Spring and fall are transitional seasons in Dunklin County, marked by fluctuating temperatures and changing weather patterns. Spring brings blooming flowers and the return of migratory birds, while fall is characterized by colorful foliage and harvest festivals.

Rivers and Lakes:

Dunklin County is intersected by several important rivers and waterways, which play a vital role in shaping the landscape and providing water resources for agriculture, industry, and recreation. The primary river in the county is the St. Francis River, which flows from north to south and serves as a major tributary of the Mississippi River.

In addition to the St. Francis River, Dunklin County is also home to several smaller rivers and streams, including Little River, Big Creek, and Buffalo Ditch. These waterways provide habitat for fish and wildlife and offer opportunities for fishing, canoeing, and kayaking.

While natural lakes are relatively scarce in Dunklin County, the region is home to several reservoirs and recreational lakes that provide opportunities for water-based activities. These reservoirs, including Lake Wappapello and Lake Hubble, are popular destinations for boating, fishing, swimming, and picnicking, particularly during the summer months.

Ecology and Biodiversity:

Dunklin County’s diverse geography supports a variety of plant and animal life, with its forests, wetlands, and waterways providing habitat for a wide range of species. The region’s bottomland forests are home to hardwood trees such as oak, hickory, and cypress, as well as diverse understory vegetation.

The wetlands and marshes along the St. Francis River provide critical habitat for migratory birds, waterfowl, and other aquatic species. The river and its tributaries support a variety of fish, including bass, crappie, and catfish, as well as freshwater mussels and other aquatic organisms.

Efforts to conserve and protect Dunklin County’s natural heritage are ongoing, with organizations such as the Missouri Department of Conservation, The Nature Conservancy, and local conservation groups working to preserve critical habitats, restore wetlands, and promote sustainable land management practices.


Dunklin County, Missouri, is a region of diverse geography, rich history, and natural beauty. Its humid subtropical climate, fertile plains, and meandering rivers make it a haven for outdoor enthusiasts, history buffs, and those seeking a peaceful retreat in the countryside.

Whether exploring the forests along the St. Francis River, fishing in one of the county’s many lakes and streams, or visiting the historic sites and cultural attractions in Kennett and other towns, visitors to Dunklin County are sure to be captivated by its charm and beauty.