Policy Map is a powerful resource for in-depth analysis of any region/city/neighborhood in the U.S. Provides more than 4,000 indicators related to demographics, real estate, crime, money & income, jobs, education, energy, and public investments. You can search any location by address, census tract, county, state, zip code, school district, or Congressional district. Much data is free, but there are standard and premium subscriptions if you need more. Sample below shows the percent of democratic presidential campaign contributions in a neighborhood I grew up in.