Nevertheless, the US homicide rate remains near a 50 year low, and 2015's rate is comparable to homicide rates found during the late 1950s when the US was in the midst of a historical lull in homicide rates.
In Colorado, we find a similar situation. 2010's homicide rate was the lowest recorded since 1960, with 2015's rate up from that. However, the overall trend has generally been flat over the past ten years:
In 2015, the Colorado homicide rate increased to 3.2 per 100,000, up from 2014's rate of 2.8 percent. However, 2015's homicide rate is what in no way unusual compared to the last decade of data. These totals are among some of the lowest we've seen in decades.
We see little to suggest that the legalization of recreational cannabis use has led to any sizable increase in homicides, or that gun control measures in recent years have had any impact that is measurable.
Colorado's homicide rate increased 14 percent from 2014 to 2015, compared to a ten percent increase for the nation overall during the same period.
Compared to other states, Colorado has the 16th-lowest homicide rate in the nation. Nearby states in the northern Rocky Mountain region have some of the lowest homicide rates in the nation with Idaho coming in at 1.9 per 100,000, and Utah at 1.8 per 100,000:
As The New York Times and New York magazine recently reported, the nationwide increase in homicides was largely driven by increases in violence in seven large cities nationwide. Denver was not among them.
A with the nation overall, Colorado's homicide situation varies geographically. Within the state's metropolitan areas, the homicide rate ranges from 0.9 per 100,000 in Boulder to 8.0 in Pueblo. Pueblo's homicide rate is higher than both the statewide rate and the nationwide rate:
Pueblo's rising homicide rates have been blamed on increasing gang activity.
Statewide in 2015, there were 176 recorded cases of "murder and nonnegligent manslaughter." That's up from 151 cases in 2014.
Of those 176 in Colorado, 108 were reported in the Denver metro area (with 53 in the city of Denver itself). 26 were reported in Colorado Springs and 13 in Pueblo. Pueblo's homicide rate is much higher, of course, because its population is considerably smaller than that of Colorado Springs or metro Denver.
In areas outside of Metro Denver, we're generally dealing with small numbers. Pueblo's total homicides increased 30 percent from 2014 to 2015, but that's an increase from 10 to 13 over the period. This hardly indicates an established trend toward an epidemic of violence. Nevertheless, one would prefer to see movement in the opposite direction.