I live in Washington, D.C.—here's how much it costs

Corey Retell, 29, earns $82,000 a year in Washington, D.C. After leaving law school, he joined the Peace Corps in Ukraine, later moving to D.C. for a nonprofit job and enlisting in the Army Reserve. He saves over 20% of his income.

This is an installment of CNBC Make It's Millennial Money series, which profiles people across the globe and details how they earn, spend and save their money.