SPRINGFIELD, Ill. — Home sales surged 18 % over previous year levels, with data released today by the Illinois Association of REALTORS® showing signs that the state’s housing market is strengthening. Statewide home sales (including single-family homes and condominiums) in June 2012 totaled 13,111 homes sold, up 18.0 % from 11,108 home sales in June 2011. This was the best June performance since 2010 when 13,144 homes were sold in Illinois.