Cullman City consists of a population of nearly 15,000 people. The population consists of 93.4% White, 8.2% Hispanic, 1.1% Multiracial, 0.9% Asian/Indian, 0.1% African American, 0.3% Native American, and 0.5% South Islander. Pacific. Of these diverse ethnicities, approximately 21% are taxpayers with children in the public school system. The median household income for Cullman residents is $41,313 with approximately 9.4% of households falling below the poverty line. Of Cullman's approximately 15,000 residents, 21% are 18 years old or younger, 8.2% are 18-24 years old, 25.3% are 25-44 years old, 22.6% are 45-64 years old, and 22.1% are 65 years old.