SEE The Income Needed To Afford A Two Bedroom Apartment in America's Largest Cities.

The average cost of a two-bedroom apartment in Chicago was $2,254, according to the report. (San Francisco's staggering $4,189 ranked costliest.)

Some of the costliest cities actually saw their required income level fall from last year, including San Francisco (though not enough to keep it off No. 1), New York City and Washington, D.C.

The report's definition of rent burden closely mirrors the federal standard.

The Department of Housing and Urban Development's defines affordable housing as that which requires a household to spend no more than 30 percent of income on rent and utilities. SmartAsset places its bar at 28 percent. 
The report tracked data from apartment lister Rentcafe. 

Another recent report found that Chicago ranks higher than the national average in terms of rents, but fell outside the Top 10 most expensive cities to rent a one-bedroom apartment. More with less, as the fella says.