Why is Mississippi’s largest county by total area named after a U.S. President?

Nature · Published 20 October 2026 Swipe more like this →

In short: Located at the southeastern tip of Mississippi, Jackson County is a sprawling landscape of sandy soil and Piney Woods. Named for Andrew Jackson, the county is the largest in the state by total area. It balances a rich, complex history with a modern identity shaped by its unique geography and demographics.

Jackson County, Mississippi, covers a total area of 1,043 square miles, with 321 square miles—or 31%—consisting of water. This vast territory makes it the largest county in the state by total area. Situated in the Piney Woods region, the county borders Alabama to the east and serves as a home to significant natural preserves, including parts of the Grand Bay National Wildlife Refuge and the Mississippi Sandhill Crane National Wildlife Refuge.

The county’s demographic profile is diverse, with a 2020 census population of 143,252. The median age of residents is 39.9 years, and the population is split between urban and rural living, with 69.7% of residents in urban areas. Beyond its geography, the county holds unique cultural markers, such as the Vancleave Live Oak Choctaw. While not federally recognized, this group was ceremonially acknowledged in 2016 by the State of Mississippi through House Resolution 50 as the official Native American tribe of the county.

Politically, the county has undergone a significant shift. Historically aligned with the Democratic Party, it broke from this pattern in 1948 to support Strom Thurmond. Following a vote for Barry Goldwater in 1964 and George Wallace in 1968, the county has consistently supported Republican presidential candidates. Jimmy Carter remains the last Democrat to secure at least 40 percent of the local vote. This political evolution mirrors broader shifts in the region, even as the county continues to manage the long-term impacts of catastrophic weather events like Hurricane Camille in 1969 and Hurricane Katrina in 2005.

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