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Below is information on the population, racial profile, house hold count, and sex/age profiles for the city of Cahokia. These results are gathered once every 10 years and may not be 100% accurate or up to date.
The population for Cahokia, Illinois is approximatly 16391.
Racial profile for Cahokia:
| White : | 9552 |
| Black : | 6342 |
| Native American : | 53 |
| Asian : | 63 |
| Pacific Islander : | 5 |
| Other : | 120 |
| * results may not accumulate to total population due to mixed race individuals | |
Population by age for males in Cahokia, Illinois :
| 18 - 19 : | 237 |
| 20 : | 106 |
| 21 : | 89 |
| 22 - 24 : | 261 |
| 25 - 29 : | 487 |
| 30 - 34 : | 523 |
| 35 - 39 : | 583 |
| 40 - 44 : | 590 |
| 45 - 49 : | 431 |
| 50 - 54 : | 379 |
| 55 - 59 : | 236 |
| 60 - 61 : | 87 |
| 62 - 64 : | 130 |
| 65 - 66 : | 86 |
| 67 - 69 : | 129 |
| 70 - 74 : | 273 |
| 75 - 79 : | 180 |
| 80 - 84 : | 82 |
| 85+ : | 43 |
Population by age for females in Cahokia, Illinois :
| 18 - 19 : | 222 |
| 20 : | 106 |
| 21 : | 101 |
| 22 - 24 : | 300 |
| 25 - 29 : | 633 |
| 30 - 34 : | 651 |
| 35 - 39 : | 669 |
| 40 - 44 : | 681 |
| 45 - 49 : | 527 |
| 50 - 54 : | 414 |
| 55 - 59 : | 267 |
| 60 - 61 : | 123 |
| 62 - 64 : | 177 |
| 65 - 66 : | 134 |
| 67 - 69 : | 200 |
| 70 - 74 : | 307 |
| 75 - 79 : | 218 |
| 80 - 84 : | 132 |
| 85+ : | 116 |
The total amount of households in Cahokia, Illinois is 5693. With 16178 people of the population in these households. The average household size is 2.84.
13903 people in Cahokia, Illinois are part of a family. The average family size in Cahokia is 3.27 people.
There are 2260 married families in Cahokia, Illinois.
Number of married families by number of members in the family :
| 0 - 2 : | 281 | 3 - 4 : | 224 | 5 : | 114 | 6 - 11 : | 812 | 12 - 17 : | 829 |