| District | City | # Criminal Investigators | Per Capita | Rank |
| U.S. | 2,046 | 7.3 | - | |
| D. C. | Washington | 70 | 122.4 | 1 |
| Vermont | Burlington | 30 | 49.3 | 2 |
| Cal, S | San Diego | 96 | 32.5 | 3 |
| N. Y., S | Manhattan | 135 | 27.7 | 4 |
| Texas, W | San Antonio | 117 | 22.9 | 5 |
| Nebraska | Omaha | 27 | 15.8 | 6 |
| Hawaii | Honolulu | 19 | 15.7 | 7 |
| Texas, N | Fort Worth | 86 | 14.6 | 8 |
| Texas, S | Houston | 100 | 14.4 | 9 |
| Arizona | Phoenix | 70 | 13.6 | 10 |
| La, E | New Orleans | 21 | 12.4 | 11 |
| Cal, C | Los Angeles | 208 | 12.2 | 12 |
| Fla, S | Miami | 68 | 11.4 | 13 |
| N Mexico | Albuquerque | 20 | 11.0 | 14 |
| Cal, N | San Francisco | 79 | 10.7 | 15 |
| N. Y., W | Buffalo | 29 | 10.2 | 16 |
| Colorado | Denver | 43 | 10.0 | 17 |
| Wash, E | Spokane | 13 | 9.9 | 18 |
| Iowa, N | Cedar Rapids | 13 | 9.8 | 19 |
| Ill, N | Chicago | 87 | 9.7 | 20 |
| Alaska | Anchorage | 6 | 9.6 | 21 |
| Ark, W | Fort Smith | 10 | 8.7 | 22 |
| Idaho | Boise | 11 | 8.5 | 23 |
| Mo, W | Kansas City | 23 | 8.2 | 24 |
| Wyoming | Cheyenne | 4 | 8.1 | 25 |
| Ga, N | Atlanta | 38 | 7.6 | 26 |
| Nevada | Las Vegas | 15 | 7.5 | 27 |
| Wash, W | Seattle | 34 | 7.4 | 28 |
| Penn, E | Philadelphia | 37 | 6.8 | 29 |
| R. I. | Providence | 7 | 6.7 | 30 |
| S Dakota | Sioux Falls | 5 | 6.6 | 31 |
| Tenn, W | Memphis | 10 | 6.6 | 31 |
| Utah | Salt Lake City | 14 | 6.3 | 33 |
| Oregon | Portland | 21 | 6.1 | 34 |
| Cal, E | Sacramento | 39 | 6.0 | 35 |
| Mass | Boston | 38 | 6.0 | 35 |
| Virg, E | Alexandria | 30 | 5.9 | 37 |
| N. J. | Newark | 49 | 5.8 | 38 |
| Montana | Billings | 5 | 5.5 | 39 |
| Maryland | Baltimore | 28 | 5.3 | 40 |
| Maine | Portland | 6 | 4.7 | 41 |
| Mich, E | Detroit | 30 | 4.5 | 42 |
| Ken, W | Louisville | 9 | 4.4 | 43 |
| N Car, W | Asheville | 10 | 4.0 | 44 |
| Mo, E | St. Louis | 11 | 3.9 | 45 |
| N. Y., N | Syracuse | 13 | 3.9 | 45 |
| Delaware | Wilmington | 3 | 3.8 | 47 |
| Ga, S | Savannah | 5 | 3.8 | 47 |
| Minnesota | Minneapolis | 16 | 3.3 | 49 |
| Okla, W | Oklahoma City | 6 | 3.3 | 49 |
| W Virg, S | Charleston | 3 | 3.2 | 51 |
| Iowa, S | Des Moines | 5 | 3.1 | 52 |
| Ill, C | Springfield | 6 | 2.7 | 53 |
| Ohio, N | Cleveland | 16 | 2.7 | 53 |
| Conn | New Haven | 9 | 2.6 | 55 |
| Kansas | Topeka | 7 | 2.6 | 55 |
| Tenn, E | Knoxville | 6 | 2.6 | 55 |
| Tenn, M | Nashville | 5 | 2.6 | 55 |
| New Hamp | Concord | 3 | 2.4 | 59 |
| Miss, S | Jackson | 4 | 2.3 | 60 |
| Fla, M | Tampa | 19 | 2.2 | 61 |
| Penn, W | Pittsburgh | 7 | 1.8 | 62 |
| Ind, S | Indianapolis | 6 | 1.7 | 63 |
| N Car, E | Raleigh | 5 | 1.6 | 64 |
| N Dakota | Fargo | 1 | 1.6 | 64 |
| Ken, E | Lexington | 3 | 1.5 | 66 |
| Ohio, S | Cincinnati | 7 | 1.3 | 67 |
| N Car, M | Greensboro | 3 | 1.2 | 68 |
| S Car | Columbia | 5 | 1.2 | 68 |
| Wisc, E | Milwaukee | 4 | 1.2 | 68 |
| Ga, M | Macon | 2 | 1.1 | 71 |
| Ala, N | Birmingham | 2 | 0.8 | 72 |
| Ark, E | Little Rock | 1 | 0.7 | 73 |
| La, W | Shreveport | 1 | 0.5 | 74 |
| Mich, W | Grand Rapids | 1 | 0.3 | 75 |
| Texas, E | Tyler | 1 | 0.3 | 75 |
| Ala, M | Montgomery | 0 | 0.0 | 77 |
| Ala, S | Mobile | 0 | 0.0 | 77 |
| Fla, N | Pensacola | 0 | 0.0 | 77 |
| Ill, S | East St. Louis | 0 | 0.0 | 77 |
| Ind, N | South Bend | 0 | 0.0 | 77 |
| La, M | Baton Rouge | 0 | 0.0 | 77 |
| Miss, N | Oxford | 0 | 0.0 | 77 |
| N. Y., E | Brooklyn | 0 | 0.0 | 77 |
| Okla, N | Tulsa | 0 | 0.0 | 77 |
| Okla, E | Muskogee | 0 | 0.0 | 77 |
| Penn, M | Scranton | 0 | 0.0 | 77 |
| Virg, W | Roanoke | 0 | 0.0 | 77 |
| W Virg, N | Wheeling | 0 | 0.0 | 77 |
| Wisc, W | Madison | 0 | 0.0 | 77 |