Alexander City, known to locals as "Alex City", is a city in Tallapoosa County, Alabama, United States, with a population of some 15,000. It is known for Lake Martin with its 750 mi of wooded shoreline and 44,000 acres (178 km²) of crystal clear water. Lake Martin stands on the Tallapoosa River and offers boating, swimming, fishing, golfing, and camping. Many neighborhoods and luxury homes are located on the lake.The city was traditionally based around the textile industry, but in recent times its economic base has become more diversified as textile jobs have gone elsewhere.