First of all we cannot as licensed brokers comment on whether one area is good or bad, or of crime or the ethnic make up of an area. Such comments are considered possible steering. We can however be the source of any information you might need in order to help you make the important decisions you need to make when choosing a home.
As Lenn stated you can contact the local law enforcement offices for the area you are considering. Another helpful thing to check when concerned about crime is spotcrime.com. You can put in an address give it a radius of distance you want around it and they will begin to send you email alerts showing any reported crimes in that area.
As Crystal and Lenn said also another good suggestion is for you to drive the area and especially at night or in the late afternoon, or even on the weekends. That will give you a good indication of the makeup of the area.