2025-04-04 00:00:00 Baldwin County, Alabama is geographically large with a diverse landscape and rich history. This app offers information about some of Baldwin County's historic sites with maps to guide you to each location. More about the history of Baldwin County... Baldwin County, Alabama has the unique distinction of being one of the largest counties East of the Mississippi River and ten (10) years older than the State of Alabama. First organized as a county in 1809, Baldwin County found itself situated within the confines of the Mississippi Treaty until December 10, 1817, when the State of Mississippi entered the United States of America as the Twentieth (20th) State in the Federal Union. Thereafter, Baldwin County was absorbed into the Alabama Territory until December 14, 1819, when the State of Alabama entered the United States of America as the Twenty-second (22nd) State in the Federal Union.