The City's homepage has a lot of information available and can be really helpful, depending on the topic of your proposal. Locate information on city offices and services, demographics, and other state and local resources.
Mapped data relating to demographics, housing, income, crime, mortgages, health, jobs, manufacturing, supermarket access, and more. Includes data sets from over 65 public and proprietary sources. (Requires a free account to view some data)