Geography of Jefferson County, Arkansas

North America

Jefferson County, situated in the southern part of Arkansas, is a region rich in natural beauty, historical significance, and economic importance. From its fertile farmland and winding rivers to its urban centers and diverse ecosystems, Jefferson County offers a unique blend of geographical features that shape its landscape and define its character.


According to Plus-Size-Tips, Jefferson County covers an area of approximately 914 square miles (2,368 square kilometers) in southeastern Arkansas. It is bordered by several other counties, including Pulaski County to the north, Arkansas County to the east, Lincoln County to the south, and Grant County to the west. The county’s landscape is characterized by a mix of flat plains, rolling hills, and fertile river valleys.

The northern part of Jefferson County is part of the Mississippi Alluvial Plain, also known as the Arkansas Delta. This region is characterized by fertile soil deposited by the Mississippi River over millions of years, making it ideal for agriculture.

To the south, Jefferson County is bordered by the Gulf Coastal Plain, a region of gently rolling hills and pine forests that extends from Texas to Florida. This area is known for its diverse ecosystems and abundant wildlife.


Jefferson County experiences a humid subtropical climate with hot, humid summers and mild winters. Summers are typically hot and muggy, with average high temperatures in the 90s°F (32-37°C) and high humidity levels. Thunderstorms are common during the summer months, bringing heavy rainfall and occasional severe weather.

Winters in Jefferson County are generally mild, with average high temperatures in the 50s to 60s°F (10-20°C) and lows rarely dropping below freezing. Snowfall is rare but not unheard of, with occasional light snow accumulations occurring during the winter months.

Spring and fall are transitional seasons characterized by mild temperatures and fluctuating weather patterns. Spring brings blooming flowers and the return of migratory birds, while fall brings cooler temperatures and colorful foliage.

Rivers and Lakes:

Jefferson County is traversed by several rivers and streams, providing habitat for fish and wildlife and offering recreational opportunities for residents and visitors alike. Some of the notable rivers and waterways in Jefferson County include:

  1. Arkansas River: The Arkansas River flows through the northern part of Jefferson County, providing opportunities for fishing, boating, and wildlife viewing. The river is navigable for much of its length and serves as an important transportation route for cargo and commerce.
  2. Bayou Bartholomew: Bayou Bartholomew is one of the longest bayous in the United States, flowing through the eastern part of Jefferson County. The bayou is known for its scenic beauty, cypress swamps, and diverse wildlife, including alligators, turtles, and migratory birds.

In addition to its rivers and streams, Jefferson County is also home to several lakes and reservoirs, including Lake Pine Bluff and Lake Langhofer. These water bodies provide additional recreational opportunities for swimming, boating, and fishing, and they serve as important habitat for waterfowl and other aquatic species.

Forests and Natural Areas:

Jefferson County is home to several forests and natural areas, including the Arkansas Post National Memorial and the Delta Heritage Trail State Park. These protected areas provide habitat for a variety of plant and animal species, as well as opportunities for hiking, camping, and nature photography.

The county is also known for its wetlands and bottomland hardwood forests, particularly in the Mississippi Alluvial Plain. These wetlands provide important habitat for migratory birds, waterfowl, and other wildlife, and they serve as valuable natural resources for the region.


Agriculture is an important industry in Jefferson County, with crops such as rice, soybeans, corn, and cotton contributing to the county’s agricultural economy. The fertile soil and mild climate of the Mississippi Alluvial Plain make it well-suited for farming, and agriculture has been a traditional way of life in the area for generations.

In addition to crop farming, Jefferson County is also known for its timber production, with pine forests covering much of the Gulf Coastal Plain. The county’s forests provide important habitat for wildlife, as well as valuable timber resources for the region’s economy.

Communities and Economy:

Jefferson County is home to several cities and towns, each offering its own unique blend of southern charm and hospitality. The county seat and largest city is Pine Bluff, known for its historic downtown district, cultural attractions, and outdoor recreational opportunities.

Other communities in Jefferson County include White Hall, Redfield, and Altheimer, each with its own distinct character and sense of community. These towns serve as centers of commerce, education, and culture for residents of the surrounding area.

The economy of Jefferson County is diverse, with key sectors including agriculture, manufacturing, healthcare, and transportation. Pine Bluff serves as a regional hub for healthcare services, with hospitals, medical centers, and clinics providing essential care for residents of the county and surrounding areas.

Manufacturing is also a major employer in Jefferson County, with companies producing a variety of goods, including paper products, food products, and chemicals. The county’s strategic location along major transportation routes, including the Arkansas River and Interstate 530, makes it an important hub for shipping and logistics.


In summary, Jefferson County, Arkansas, is a region of diverse landscapes, rich natural resources, and vibrant communities. From its fertile farmland and winding rivers to its historic towns and picturesque lakes, Jefferson County offers a unique blend of geographical features that make it a desirable place to live, work, and visit. With its diverse economy, strong sense of community, and abundance of natural resources, Jefferson County remains a treasured destination in southeastern Arkansas.