| Altha is a town in Calhoun County. Its population as of 2004 is 507. Altha's total area is 1.5 square miles, of which 2.72% is water. The median age was 28 years and for every 100 females, there were 94.6 males. The median income for a household in Altha was $27,917, and $40,156 for a family. The per capita income for the town was $12,677. The zip code for Altha is 32421 and the phone prefix is 762. |