| Census Locations by State - Summary | ||||||||
| State | 1850 | 1860 | 1870 | 1880 | 1900 | 1910 | 1920 | 1930 |
| Alabama | 1 | 6 | ||||||
| Arizona | 1 | |||||||
| Arkansas | 2 | 2 | 5 | 1 | 2 | |||
| California | 4 | 3 | 1 | 16 | 29 | 49 | ||
| Colorado | 1 | 2 | 6 | 1 | 2 | |||
| Connecticut | 4 | 6 | 9 | 11 | 4 | 10 | ||
| District of Columbia | 1 | |||||||
| Georgia | 5 | 1 | 1 | |||||
| Idaho | 1 | 2 | 11 | 18 | 18 | |||
| Illinois | 4 | 6 | 22 | 12 | 11 | 18 | 37 | 23 |
| Indiana | 3 | 5 | 2 | 2 | 9 | 8 | 5 | |
| Iowa | 8 | 6 | 16 | 27 | 24 | 16 | ||
| Kansas | 3 | 11 | 7 | |||||
| Kentucky | 2 | 9 | 9 | 2 | ||||
| Louisiana | 4 | |||||||
| Maine | 5 | 3 | 7 | 5 | 7 | |||
| Maryland | 1 | 1 | 3 | 7 | ||||
| Massachusetts | 2 | 6 | 32 | 53 | 55 | 59 | 64 | 56 |
| Michigan | 10 | 21 | 11 | 25 | 31 | 51 | ||
| Minnesota | 1 | 1 | 13 | 14 | 10 | |||
| Missouri | 3 | 18 | 13 | 21 | 15 | 3 | ||
| Montana | 5 | 16 | 3 | |||||
| Nebraska | 1 | 5 | 14 | 27 | 29 | 26 | ||
| Nevada | 2 | |||||||
| New Hampshire | 8 | 14 | 15 | 4 | 4 | 1 | 1 | |
| New Jersey | 9 | 7 | 8 | 5 | 30 | 46 | 48 | 73 |
| New Mexico | 6 | 4 | 4 | |||||
| New York | 10 | 11 | 35 | 70 | 38 | 76 | 77 | 85 |
| North Carolina | 1 | 1 | ||||||
| North Dakota | 6 | 2 | 3 | 2 | ||||
| Ohio | 15 | 10 | 8 | 57 | 41 | 44 | 50 | 68 |
| Oklahoma | 8 | 10 | 6 | 5 | ||||
| Oregon | 5 | 11 | 6 | |||||
| Pennsylvania | 25 | 46 | 90 | 106 | 150 | 205 | 227 | 227 |
| Rhode Island | 4 | 3 | 20 | 14 | 22 | 36 | 35 | 33 |
| South Carolina | 3 | |||||||
| South Dakota | 1 | 1 | ||||||
| Tennessee | 8 | |||||||
| Texas | 2 | 8 | 17 | 13 | 18 | |||
| Utah | 13 | 47 | 55 | 46 | 63 | 84 | 114 | |
| Virginia | 4 | |||||||
| Washington | 21 | 21 | 33 | 39 | ||||
| West Virginia | 12 | 32 | 31 | 31 | 28 | |||
| Wisconsin | 5 | 10 | 2 | 1 | ||||
| Wyoming | 5 | 7 | 25 | 4 | 2 | |||
| Totals | 73 | 122 | 308 | 483 | 568 | 876 | 954 | 1015 |