An Illinois Appeals Court on Monday ordered Chicago mayoral candidate Rahm Emanuel — President Obama's former chief of staff — off the ballot, saying he didn't live in the city long enough before the election to qualify as a resident.

The court voted 2-1 to overturn a judge's ruling to keep his name on the Feb. 22 ballot, saying the Democrat doesn't meet the one-year residency requirement because he rented out his Chicago home and moved his family to Washington to work for Mr. Obama for almost two years.

"We conclude that the candidate neither meets the municipal code's requirement that he have resided in Chicago for the year preceding the election in which he seeks to participate nor falls within any exception to the requirement," the appeals court said in its ruling...