The above map is part of our story on the change in home sale numbers in Chicago over the last year.

Gains and losses in home values over the past year in the Chicago area are all over the map. Here is a look at which areas saw gains (in gray), and which saw losses (in red), based on Zillow's home value index. To see additional information on the Chicago housing market, visit zillow.com.

Note: Data not available for all ZIP codes.

SOURCES: Zillow, FNC, Inc.