And a very quick Google search brought up a Yahoo user asking this very question and getting very similar responses:
http://answers.yahoo.com/question/index?qid=20070927032450AAeKKOY
Those are very similar to the blogs from Bostonians who are convinced that their city is dangerous, and definitely in a downward trend than from earlier years. My friends, or even the bloggers talking about the tough areas of Roxbury, or this gang vs. that gang, may have fallen victim to the crime, including falling into a life of crime.
I also know that, statistical outliers make huge differences in smaller cities, but larger cities like San Jose, DC, Boston, on up to the Chicagos and New Yorks have pretty steady crime rates year after, suggesting long term trends. Boston's 4000+ crime index, or 2.1 times national average, under any measure of that city, year after year, does not make it in the same league as a safer area like the Hamtons, or midrange areas like San Jose. If taken as a small sample of (Detroit, DC, and Boston), then yes, it's the safest city in that grouping, but when you add San Jose, San Francisco, New York, Oakland, Dallas, and dozens of others, then it falls in there as one of the more dangerous cities, yet still not THE most dangerous city. That, depending on which crimes we are talking about (crimes against person, crimes against property), it's most likely Detroit or DC as the absolute worst.
If I was given the choice, let's say I was offered a killer job but had to be in the city limits, I would chose Boston over DC and Detroit, but I would choose Oakland, New York, and San Francisco over Boston.
One has to look at all the good and the bad, whether through the objective crime index, individual crime stats on crimes against person/property, and the subjective stuff such as the blogs and accounts from close friends and close family members.
I live in the South Bay Area, so it's certainly no crime haven but at the same time not close to Boston, Philly, New York, DC, or any of the west coast cities like LA and San Diego. Over here, when I hear about "crime" and the "east coast", two major themes come up.
1) Yes, NYC is still dangerous yet safer than Boston these days. New Yorkers take huge pride in this. It could have something to do with baseball though that New Yorkers always have to stick it to Boston. Why not say, "NYC is better/safer than DC?". It's just not a comment I ever hear.
2) Boston is tougher than LA, San Diego, Seattle, SF, or San Jose and these are comments from many transplanted Bostonians. We have a lot of high tech here, and so does Boston (the east coast's Silicon Valley), so Boston comes up a lot in everyday conversation. And the top two things I hear are about when it comes to Boston are it's crime rate/gangs and the Red Sox, with the latter taking a backseat.
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There is a "transplant" syndrome where people who leave one city for one that is safer, to totally trash the former more dangerous city once they get out. Small changes in safety in the positive get blown up by huge margins.
I do know that, however, it does affect the the 2.1 times national violent crime average of Boston or their 4000+ crime index. Those are objective numbers based on types of crime within it's listed population.
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A final possibility I have looked at, and this is something we looked at a lot in law school, is that some crime ridden cities are actually surrounded by very safe areas bordering it. The closest example near me is the next closest big city which is Oakland, a slightly lower than Boston crime rate, but surrounded by a lot of nice smaller cities in the East Bay Area.
The term East Bay Area, while mostly nice, has been given a major black eye by it's most prominent resident, Oakland.
Anyway, I hope the Red Sox win another one!
