No surprises here – the biggest city is the most dangerous one as well. [See: The World’s Most Dangerous Cruise Ports] Of the 8,864, slightly more than half were aggravated assaults. With such high numbers, most of them usually are. In the case of Milwaukee, a big proportion was robbery. There were 395 rapes and 90 murders. West Milwaukee, a city of just 4,217 residents, had a similar crime rate per residents, but it was almost equally divided between armed robbery and aggravated assault.