Alabama Counties Ranked by Population Jefferson County – 659,521 Mobile County – 414,836 Madison County- 356,967 Montgomery County- 226,349 Shelby County – 210,622 Baldwin County- 208,563 Tuscaloosa County – 206,102 Lee County – 158,991 Morgan County- 119,012 Calhoun County – 114,611 Houston County – 104,056 Etowah County – 102,564 Marshall County – 95,157 Limestone County […]