It is local, often down to the block
Crime in American cities is strongly concentrated. Research on street-level data keeps finding that a small fraction of streets accounts for a large share of reported crime. Two blocks apart, the same neighborhood can feel completely different, which is why our guides name corridors and landmarks instead of writing off whole districts.
Property crime is the real risk for visitors
Across the US, property crimes such as theft and car break-ins far outnumber violent crimes. For a visitor, the most likely bad experience is a smashed rental car window or a phone grabbed from a café table, not an assault. Simple habits prevent most of it.
Time changes everything
A plaza that is busy and safe at noon can be empty and uncomfortable at 2 a.m. Late nights, the hour after bars close and the crowds leaving big events are when problems cluster. The same walk that is fine in daylight may call for a rideshare after dark.
Transit hubs and edges of downtown
Major bus and train stations, highway underpasses and the quiet streets where downtown fades into warehouses tend to see more trouble than the areas around them. Downtown business districts can also empty quickly after office hours, leaving long, quiet walks between the places that are still busy.
Visitors are rarely the target of serious violence
Much of the serious violence in American cities happens between people who know each other, often in areas far from hotels, museums and stadiums. That does not make it irrelevant, but it puts the risk in proportion: knowing where not to wander matters more than worrying about the whole city.