Maps of Chicago
City of Chicago (official websites): neighborhoods & maps
Neighborhoods of Chicago (PDF)
Citywide maps of Chicago (PDF)
Chicago Transit Authority (CTA), the official Chicago public transportation website
Several maps showing the train and bus lines including information about how to use the public transportation system.
Chicago Transit Authority: bus & train system map (PDF)
Trulia.com Heatmap: Home Prices
Home Prices Heat Map (by Trulia.com)
Walkscore.com: How walkable are Chicago's neighborhoods?
Chicago's most walkable neighborhoods (by Walkscore.com)
Dreamtown.com: Neighborhood Map
PDF Neighborhood Map (by Dreamtown.com)