Jefferson County, Alabama | |
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Jefferson County Courthouse in Birmingham during 2011
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Location in the U.S. state of Alabama |
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Alabama's location in the U.S. |
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Founded | December 13, 1819 |
Named for | Thomas Jefferson |
Seat | Birmingham |
Largest city | Birmingham |
Area | |
• Total | 1,124 sq mi (2,911 km2) |
• Land | 1,111 sq mi (2,877 km2) |
• Water | 13 sq mi (34 km2), 1.1% |
Population (est.) | |
• (2015) | 660,367 |
• Density | 595/sq mi (230/km²) |
Congressional districts | 6th, 7th |
Time zone | Central: UTC-6/-5 |
Website | jeffconline |
Footnotes:
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Footnotes:
Jefferson County is the most populous county in the state of Alabama, in the United States. As of the 2010 census, the population was 658,466. Its county seat is Birmingham, which is also the most populous city in the state.
Jefferson County is included in the Birmingham-Hoover, AL Metropolitan Statistical Area.
Jefferson County was established on December 13, 1819, by the Alabama Legislature. It was named in honor of Thomas Jefferson. The county is located in the north-central portion of the state, on the southernmost edge of the Appalachian Mountains, in the center of the (former) iron, coal, and limestone mining belt of the Southern United States.
Jefferson County has a land area of about 1,119 square miles (2,900 km2). Because of shifts in population, early county seats were established first at Carrollsville (1819 – 21), then Elyton (1821 – 73).
Birmingham was founded about 1871 and in 1873 gained designation as the county seat. It was named for the English city of the same name in Warwickshire. That city had long been a center of iron and steel production in Great Britain. Birmingham was established by the merger of three towns, including Elyton. It has continued to grow by annexing neighboring towns and villages, including North Birmingham.