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Below is information on the population, racial profile, house hold count, and sex/age profiles for the city of Boulder Hill. These results are gathered once every 10 years and may not be 100% accurate or up to date.
The population for Boulder Hill, Illinois is approximatly 8169.
Racial profile for Boulder Hill:
| White : | 7408 |
| Black : | 156 |
| Native American : | 31 |
| Asian : | 54 |
| Pacific Islander : | 1 |
| Other : | 370 |
| * results may not accumulate to total population due to mixed race individuals | |
Population by age for males in Boulder Hill, Illinois :
| 18 - 19 : | 117 |
| 20 : | 57 |
| 21 : | 42 |
| 22 - 24 : | 143 |
| 25 - 29 : | 289 |
| 30 - 34 : | 319 |
| 35 - 39 : | 335 |
| 40 - 44 : | 314 |
| 45 - 49 : | 268 |
| 50 - 54 : | 277 |
| 55 - 59 : | 183 |
| 60 - 61 : | 73 |
| 62 - 64 : | 67 |
| 65 - 66 : | 41 |
| 67 - 69 : | 61 |
| 70 - 74 : | 74 |
| 75 - 79 : | 67 |
| 80 - 84 : | 41 |
| 85+ : | 17 |
Population by age for females in Boulder Hill, Illinois :
| 18 - 19 : | 116 |
| 20 : | 46 |
| 21 : | 40 |
| 22 - 24 : | 115 |
| 25 - 29 : | 279 |
| 30 - 34 : | 320 |
| 35 - 39 : | 346 |
| 40 - 44 : | 330 |
| 45 - 49 : | 295 |
| 50 - 54 : | 286 |
| 55 - 59 : | 205 |
| 60 - 61 : | 75 |
| 62 - 64 : | 79 |
| 65 - 66 : | 56 |
| 67 - 69 : | 72 |
| 70 - 74 : | 99 |
| 75 - 79 : | 132 |
| 80 - 84 : | 68 |
| 85+ : | 47 |
The total amount of households in Boulder Hill, Illinois is 2848. With 8169 people of the population in these households. The average household size is 2.87.
7250 people in Boulder Hill, Illinois are part of a family. The average family size in Boulder Hill is 3.25 people.
There are 1776 married families in Boulder Hill, Illinois.
Number of married families by number of members in the family :
| 0 - 2 : | 310 | 3 - 4 : | 202 | 5 : | 92 | 6 - 11 : | 591 | 12 - 17 : | 581 |