| 4,119 | (23%) | |
| 2,848 | (16%) | |
| 2,480 | (14%) | |
| 1,808 | (10%) | |
| 1,357 | (8%) | |
| 970 | (6%) | |
| 876 | (5%) | |
| 850 | (5%) | |
| 827 | (5%) | |
| 819 | (5%) | |
| 248 | (1%) | |
| 31 | (0%) |
Source: U.S. Census Bureau - A.C.S 2007
| 37,549 | (100%) | |
| 36,831 | (98%) | |
| 712 | (2%) | |
| 385 | (1%) | |
| 164 | (0%) | |
| 120 | (0%) |
Lancaster Ohio's population is estimated to be approximately 37,549. There are 36,831 White residents which make up 98.10 % of the states' population. The remaining population is made up of 712 Blacks, 385 Native Americans, 164 Asians, and 120 Others.