Jefferson County is Alabama’s largest and most urban county, home to Birmingham. Formed in 1819 and fueled by coal and iron industry, it remains the state’s commercial core. The housing spectrum runs from downtown lofts and historic Craftsman neighborhoods to modern suburbs like Hoover and Trussville. Median prices sit near $290k–$370k, though upscale suburbs (Mountain Brook, Vestavia Hills) exceed $600k–$900k+. New builds range widely from $350k–$700k+. Urban revival and transit upgrades make Jefferson County ideal for professionals seeking city amenities without big-state prices.