Many of the local Chicago newspapers have sections on different city neighborhoods and their local news. Many of the sources here are subscribed to by the University Libraries.
Click on the community name to see the Encyclopedia of Chicago page on that community. These Chicago Community areas have remained, basically the same since the 1920s. These are differentiated from neighborhoods due to their stabile boundaries.
North American Industry Classification System (NAICS)
Some sources may give you information based on NAICS. NAICS is the standard used by federal statistical agencies (and therefore by most others) in classifying business establishments for the purpose of collecting, analyzing, and publishing statistical data related to the U.S. business economy.
NAICS Manual - the manual for these numbers - click here
Common NAICS Codes for Social Work:
621330 Social workers', mental health, offices (e.g., centers, clinics)
624190 Individual and family social services, multi-purpose
624190 Mediation, social service, family, agencies
624190 Referral services for personal and social problems
624190 Social service agencies, family
624190 Social service centers, multi-purpose
624190 Family social service agencies
813319 Social change advocacy organizations
813920 Social workers' associations