The median income for a household was $43,269. The median income for a family was $51,667. Men had a median income of $37,111. Women had a median income of $25,850. The per capita income was $16,698. About 5.6% of families and 7.6% of all people in Baldwin City lived below the poverty line. This included 11.0% of children under 18 years old and 5.7% of people over 65 years old.