Do you live in one of the nation’s very best cities for trick-or-treating? Real-estate website Zillow.com ranked the 20 best U.S. cities to trick-or-treat in based on Zillow’s Home Price Index, population density, the site’s “Walk Score” (a measure of amenities within walking distance) and local crime data. According to Zillow, the list “represents cities that will provide the most candy, with the least walking and safety risks.” San Francisco took the top spot, up from No. 2 last year. Zillow’s 2011 Trick-or-Treat Index:
| 1. San Francisco | 11. Minneapolis |
| 2. Boston | 12. Pittsburgh |
| 3. Honolulu | 13. San Diego |
| 4. Seattle | 14. Cleveland |
| 5. Chicago | 15. Miami |
| 6. San Jose | 16. Denver |
| 7. Washington | 17. Milwaukee |
| 8. Los Angeles | 18. Virginia Beach |
| 9. Philadelphia | 19. Baltimore |
| 10. Portland, OR | 20. Albuquerque |
