Foreclosure rates for Greater Des Moines held steady for the year ending in April, but delinquency rates edged up, according to real estate research firm CoreLogic Inc. 

Among outstanding mortages, 2.57 percent were in foreclosure, the same as in April 2011. The national foreclosure rate in April was 3.41 percent.

CoreLogic said in a news release that 4.64 percent of mortgage loans in Greater Des Moines were 90 days or more overdue, up from 4.56 percent in April 2011.