West San Jose | The demographics are different there, this isn't meant to insult anyone, but you can see the difference. $104,535 | 14 | Hamann's efforts resulted in an annual population growth rate of over eight percent. The crime report encompasses more than 18,000 city and state law enforcement agencies reporting data on property and violent crimes. $71,036 | 1 0. $728,821 | } North Valley According to the most recent census data, Buena Vista looks to be the worst neighborhood in San Jose.