There is also a Baldwin County, Georgia. Baldwin County is a county of the U.S. state of Alabama. It is named in honor of Abraham Baldwin, a member of the United States Senate. He had never lived in what became Alabama. As of the 2010 census the population was 182,265. The U.S. Census Bureau estimated 2011 population is 186,717. The county seat is Bay Minette. The largest county in Alabama by area, it includes a portion of Mobile Bay.