What are the odds that you'll be safer in Creston, Iowa compared to other areas of Iowa, as well as the rest of America? When it comes down to it, is Creston safe? In the graphs above, it shows that Creston is safer than 19% of Iowa cities, and 26% compared to all other cities across America. These statistics are calculated by taking a closer look at each city's crime rate in Iowa, as well as the rest of the US. It is then determined which cities see less crime than Creston. At this time, Creston sees a below average rate of crime in comparison to other United States cities.