For Seattle neighborhoods, www.cityofseattle.net/police. There are links to Seattle crime data, names, photos and general location of registered sex offenders, plus locations of local precincts and links to Block Watch program contacts (see the Crime Prevention tab).
The Dru Sjodin National Sex Offender Public Registry, www.nsopr.gov, run by the U.S. Justice Department and named after a women killed by a convicted offender. Type in a ZIP code for information.
Claritas,www.claritas.com, has a free service, You are where you live describing which demographic personality types are most common in the ZIP code. Categories include Young Digerati and Urban Elders. Click on Free resources and then Lifestyles.