At publishing, 2016 was the most recent county-level data available from NACJD. When they publish the updated datasets, we will update this map.
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| State | County | % or Murders | % of Population | Gap |
| Alabama | Jefferson County, Alabama | 26% | 14% | 12% |
| Alaska | Anchorage Borough, Alaska | 76% | 64% | 12% |
| Arizona | Maricopa County, Arizona | 68% | 61% | 6% |
| Arkansas | Pulaski County, Arkansas | 30% | 14% | 16% |
| California | Los Angeles County, California | 32% | 26% | 6% |
| Colorado | Denver County, Colorado | 30% | 13% | 17% |
| Connecticut | New Haven County, Connecticut | 42% | 26% | 16% |
| Delaware | New Castle County, Delaware | 78% | 59% | 19% |
| Florida | Orange County, Florida | 17% | 7% | 10% |
| Georgia | Fulton County, Georgia | 23% | 10% | 12% |
| Hawaii | Honolulu County, Hawaii | 46% | 70% | -24% |
| Idaho | Ada County, Idaho | 20% | 27% | -7% |
| Illinois | Cook County, Illinois | 80% | 41% | 39% |
| Indiana | Marion County, Indiana | 38% | 17% | 21% |
| Iowa | Polk County, Iowa | 28% | 15% | 13% |
| Kansas | Sedgwick County, Kansas | 38% | 20% | 18% |
| Kentucky | Jefferson County, Kentucky | 55% | 17% | 37% |
| Louisiana | Orleans Parish, Louisiana | 32% | 9% | 23% |
| Maine | Cumberland County, Maine | 30% | 22% | 8% |
| Maryland | Baltimore City, Maryland | 59% | 10% | 49% |
| Massachusetts | Suffolk County, Massachusetts | 38% | 12% | 26% |
| Michigan | Wayne County, Michigan | 55% | 18% | 37% |
| Minnesota | Hennepin County, Minnesota | 41% | 22% | 18% |
| Mississippi | Hinds County, Mississippi | 37% | 12% | 25% |
| Missouri | St. Louis City, Missouri | 36% | 5% | 31% |
| Montana | Cascade County, Montana | 13% | 8% | 5% |
| Nebraska | Douglas County, Nebraska | 63% | 30% | 33% |
| Nevada | Clark County, Nevada | 88% | 73% | 14% |
| New Hampshire | Hillsborough County, New Hampshire | 28% | 31% | -4% |
| New Jersey | Essex County, New Jersey | 33% | 9% | 24% |
| New Mexico | Bernalillo County, New Mexico | 53% | 33% | 20% |
| New York | Kings County, New York | 16% | 13% | 3% |
| North Carolina | Mecklenburg County, North Carolina | 12% | 11% | 1% |
| North Dakota | Cass County, North Dakota | 29% | 23% | 6% |
| Ohio | Cuyahoga County, Ohio | 24% | 10% | 14% |
| Oklahoma | Tulsa County, Oklahoma | 33% | 17% | 16% |
| Oregon | Multnomah County, Oregon | 21% | 20% | 1% |
| Pennsylvania | Philadelphia County, Pennsylvania | 41% | 12% | 28% |
| Rhode Island | Providence County, Rhode Island | 76% | 60% | 16% |
| South Carolina | Charleston County, South Carolina | 12% | 8% | 4% |
| South Dakota | Minnehaha County, South Dakota | 43% | 24% | 19% |
| Tennessee | Shelby County, Tennessee | 45% | 14% | 30% |
| Texas | Harris County, Texas | 27% | 17% | 11% |
| Utah | Salt Lake County, Utah | 62% | 37% | 24% |
| Vermont | Franklin County, Vermont | 45% | 8% | 38% |
| Virginia | Richmond City, Virginia | 12% | 3% | 9% |
| Washington | King County, Washington | 29% | 30% | -1% |
| West Virginia | Kanawha County, West Virginia | 20% | 11% | 9% |
| Wisconsin | Milwaukee County, Wisconsin | 67% | 17% | 51% |
| Wyoming | Laramie County, Wyoming | 40% | 17% | 23% |