Founded in 1818, St. Clair County is the 15th biggest county by population (out of 67) in the state of Alabama. Historically, St. Clair County was formed from Shelby County. The city of Ashville and Pell City is the County seat. With population density of 132.27 residents per square miles, St. Clair County has a…

Founded in 1832, Russell County is the 26th biggest county by population (out of 67) in the state of Alabama. Historically, Russell County was formed from Barbour, Bullock, Lee and Macon counties. The city of Phenix City is the County seat. With population density of 82.6 residents per square miles, Russell County has a population…

Founded in 1832, Randolph County is the 46th biggest county by population (out of 67) in the state of Alabama. Historically, Randolph County was formed from St. Clair and Shelby counties. The city of Wedowee is the County seat. With population density of 39.44 residents per square miles, Randolph County has a population of 22,913…

Founded in 1821, Pike County is the 36th biggest county by population (out of 67) in the state of Alabama. Historically, Pike County was formed from Henry and Montgomery counties. The city of Troy is the County seat. With population density of 48.96 residents per square miles, Pike County has a population of 32,899 and…

Founded in 1820, Pickens County is the 50th biggest county by population (out of 67) in the state of Alabama. Historically, Pickens County was formed from Tuscaloosa County. The city of Carrollton is the County seat. With population density of 22.41 residents per square miles, Pickens County has a population of 19,746 and area of…

Founded in 1819, Perry County is the 66th biggest county by population (out of 67) in the state of Alabama. Historically, Perry County was formed from Cahawba, Dallas, Marengo, and Tuscaloosa counties. The city of Marion is the County seat. With population density of 14.71 residents per square miles, Perry County has a population of…

Founded in 1818, Morgan County is the 9th biggest county by population (out of 67) in the state of Alabama. Historically, Morgan County was formed from Cherokee territory (as Cotaco County). The city of Decatur is the County seat. With population density of 206.37 residents per square miles, Morgan County has a population of 119,490…

Founded in 1816, Montgomery County is the 4th biggest county by population (out of 67) in the state of Alabama. Historically, Montgomery County was formed from Monroe County. The city of Montgomery is the County seat. With population density of 292.55 residents per square miles, Montgomery County has a population of 229,363 and area of…

Founded in 1815, Monroe County is the 44th biggest county by population (out of 67) in the state of Alabama. Historically, Monroe County was formed from Creek territory. The city of Monroeville is the County seat. With population density of 22.48 residents per square miles, Monroe County has a population of 23,068 and area of…

Founded in 1812, Mobile County is the 2nd biggest county by population (out of 67) in the state of Alabama. Historically, Mobile County was formed from Mobile District of West Florida after annexation into Mississippi Territory. The city of Mobile is the County seat. With population density of 336.04 residents per square miles, Mobile County…

Founded in 1836, Marshall County is the 13th biggest county by population (out of 67) in the state of Alabama. Historically, Marshall County was formed from Blount and Jackson counties and Cherokee territory. The city of Guntersville is the County seat. With population density of 164.34 residents per square miles, Marshall County has a population…

Founded in 1818, Marion County is the 38th biggest county by population (out of 67) in the state of Alabama. Historically, Marion County was formed from Tuscaloosa County. The city of Hamilton is the County seat. With population density of 41.48 residents per square miles, Marion County has a population of 30,776 and area of…

Founded in 1818, Marengo County is the 48th biggest county by population (out of 67) in the state of Alabama. Historically, Marengo County was formed from Choctaw territory. The city of Linden is the County seat. With population density of 21.52 residents per square miles, Marengo County has a population of 21,027 and area of…

Founded in 1808, Madison County is the 3rd biggest county by population (out of 67) in the state of Alabama. Historically, Madison County was formed from Cherokee and Chickasaw territories. The city of Huntsville is the County seat. With population density of 417.47 residents per square miles, Madison County has a population of 334,811 and…

Founded in 1832, Macon County is the 47th biggest county by population (out of 67) in the state of Alabama. Historically, Macon County was formed from Montgomery County. The city of Tuskegee is the County seat. With population density of 35.22 residents per square miles, Macon County has a population of 21,452 and area of…

Founded in 1830, Lowndes County is the 64th biggest county by population (out of 67) in the state of Alabama. Historically, Lowndes County was formed from Butler, Dallas, and Montgomery counties. The city of Hayneville is the County seat. With population density of 15.78 residents per square miles, Lowndes County has a population of 11,299…

Founded in 1818, Limestone County is the 16th biggest county by population (out of 67) in the state of Alabama. Historically, Limestone County was formed from Elk and Madison counties. The city of Athens is the County seat. With population density of 147.83 residents per square miles, Limestone County has a population of 82,782 and…

Founded in 1866, Lee County is the 8th biggest county by population (out of 67) in the state of Alabama. Historically, Lee County was formed from Chambers, Macon, Russell, and Tallapoosa counties. The city of Opelika is the County seat. With population density of 230.67 residents per square miles, Lee County has a population of…

Founded in 1818, Lawrence County is the 34th biggest county by population (out of 67) in the state of Alabama. Historically, Lawrence County was formed from Cherokee territory. The city of Moulton is the County seat. With population density of 49.69 residents per square miles, Lawrence County has a population of 34,339 and area of…

Founded in 1818, Lauderdale County is the 14th biggest county by population (out of 67) in the state of Alabama. Historically, Lauderdale County was formed from Cherokee and Chickasaw territories. The city of Florence is the County seat. With population density of 138.79 residents per square miles, Lauderdale County has a population of 92,709 and…

Founded in 1867, Lamar County is the 56th biggest county by population (out of 67) in the state of Alabama. Historically, Lamar County was formed from Fayette and Marion counties (as Jones County). The city of Vernon is the County seat. With population density of 24.07 residents per square miles, Lamar County has a population…

Founded in 1819, Jefferson County is the 1st biggest county by population (out of 67) in the state of Alabama. Historically, Jefferson County was formed from Blount County. The city of Birmingham is the County seat. With population density of 592.68 residents per square miles, Jefferson County has a population of 658,466 and area of…

Founded in 1819, Jackson County is the 25th biggest county by population (out of 67) in the state of Alabama. Historically, Jackson County was formed from Cherokee territory. The city of Scottsboro is the County seat. With population density of 49.38 residents per square miles, Jackson County has a population of 53,227 and area of…

Founded in 1903, Houston County is the 12th biggest county by population (out of 67) in the state of Alabama. Historically, Houston County was formed from Dale, Geneva, and Henry counties. The city of Dothan is the County seat. With population density of 175.08 residents per square miles, Houston County has a population of 101,547…

Founded in 1819, Henry County is the 52nd biggest county by population (out of 67) in the state of Alabama. Historically, Henry County was formed from Conecuh County. The city of Abbeville is the County seat. With population density of 30.79 residents per square miles, Henry County has a population of 17,302 and area of…

Founded in 1867, Hale County is the 54th biggest county by population (out of 67) in the state of Alabama. Historically, Hale County was formed from Greene, Marengo, Perry, and Tuscaloosa counties. The city of Greensboro is the County seat. With population density of 24.47 residents per square miles, Hale County has a population of…

Founded in 1819, Greene County is the 67th biggest county by population (out of 67) in the state of Alabama. Historically, Greene County was formed from Marengo and Tuscaloosa counties. The city of Eutaw is the County seat. With population density of 13.98 residents per square miles, Greene County has a population of 9,045 and…

Founded in 1868, Geneva County is the 40th biggest county by population (out of 67) in the state of Alabama. Historically, Geneva County was formed from Coffee, Dale, and Henry counties. The city of Geneva is the County seat. With population density of 46.67 residents per square miles, Geneva County has a population of 26,790…

Founded in 1818, Franklin County is the 37th biggest county by population (out of 67) in the state of Alabama. Historically, Franklin County was formed from Cherokee territory. The city of Russellville is the County seat. With population density of 50.01 residents per square miles, Franklin County has a population of 31,704 and area of…

Founded in 1824, Fayette County is the 53rd biggest county by population (out of 67) in the state of Alabama. Historically, Fayette County was formed from Marion, Pickens, Tuscaloosa, and Walker counties. The city of Fayette is the County seat. With population density of 27.45 residents per square miles, Fayette County has a population of…