| 4,053 | (20%) | |
| 3,379 | (16%) | |
| 3,289 | (16%) | |
| 2,310 | (11%) | |
| 1,670 | (8%) | |
| 1,257 | (6%) | |
| 1,183 | (6%) | |
| 1,154 | (6%) | |
| 828 | (4%) | |
| 469 | (2%) | |
| 347 | (2%) | |
| 48 | (0%) |
Source: U.S. Census Bureau - A.C.S 2007
| 37,078 | (100%) | |
| 33,341 | (90%) | |
| 1,874 | (5%) | |
| 1,764 | (5%) | |
| 516 | (1%) | |
| 408 | (1%) |
Marlborough Massachusetts's population is estimated to be approximately 37,078. There are 33,341 White residents which make up 89.90 % of the states' population. The remaining population is made up of 1,874 Asians, 1,764 Others, 516 Blacks, and 408 Native Americans.
