According to 2000 estimates from the Alabama State Data Center at the University of Alabama in Tuscaloosa, Alabama's population was 4,447,100.

Alabama has warmth and sunshine for the greater part of the year. Spring arrives early, with the weather warming to the 60s Fahrenheit daily by March. Summer days average in the low 80s, with periods of 90 and above. Sweaters or jackets will usually keep off the chill through November. Prolonged spells of severely cold weather are not frequent during the winter. Snow is a rarity except in higher altitudes of north Alabama. Average seasonal temperatures for the state's major cities follow. For more information, contact the U.S. Department of Commerce, National Climatic Data Center, Federal Building, Asheville, NC 28801.