The Population & Steets in Cardine City are based on the 2010 census. The median household income in Cardin City was $41,809 and the median family income was $49,570. The median income was $35,296 for males and $27,418 for females. The per capita income was $20,943. As of 2010, 10.0% of the population was below the poverty line. There were 11.7% of underage residents and 5.8% of the adult population lived in poverty.