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Below is information on the population, racial profile, house hold count, and sex/age profiles for the city of Centralia. These results are gathered once every 10 years and may not be 100% accurate or up to date.
The population for Centralia, Illinois is approximatly 14136.
Racial profile for Centralia:
| White : | 12227 |
| Black : | 1462 |
| Native American : | 35 |
| Asian : | 103 |
| Pacific Islander : | 9 |
| Other : | 58 |
| * results may not accumulate to total population due to mixed race individuals | |
Population by age for males in Centralia, Illinois :
| 18 - 19 : | 206 |
| 20 : | 81 |
| 21 : | 75 |
| 22 - 24 : | 221 |
| 25 - 29 : | 387 |
| 30 - 34 : | 415 |
| 35 - 39 : | 469 |
| 40 - 44 : | 496 |
| 45 - 49 : | 465 |
| 50 - 54 : | 443 |
| 55 - 59 : | 296 |
| 60 - 61 : | 109 |
| 62 - 64 : | 158 |
| 65 - 66 : | 79 |
| 67 - 69 : | 145 |
| 70 - 74 : | 251 |
| 75 - 79 : | 228 |
| 80 - 84 : | 136 |
| 85+ : | 116 |
Population by age for females in Centralia, Illinois :
| 18 - 19 : | 165 |
| 20 : | 71 |
| 21 : | 83 |
| 22 - 24 : | 238 |
| 25 - 29 : | 394 |
| 30 - 34 : | 404 |
| 35 - 39 : | 522 |
| 40 - 44 : | 576 |
| 45 - 49 : | 478 |
| 50 - 54 : | 466 |
| 55 - 59 : | 379 |
| 60 - 61 : | 151 |
| 62 - 64 : | 188 |
| 65 - 66 : | 122 |
| 67 - 69 : | 204 |
| 70 - 74 : | 381 |
| 75 - 79 : | 406 |
| 80 - 84 : | 331 |
| 85+ : | 372 |
The total amount of households in Centralia, Illinois is 5784. With 13288 people of the population in these households. The average household size is 2.30.
10506 people in Centralia, Illinois are part of a family. The average family size in Centralia is 2.95 people.
There are 1845 married families in Centralia, Illinois.
Number of married families by number of members in the family :
| 0 - 2 : | 266 | 3 - 4 : | 189 | 5 : | 102 | 6 - 11 : | 611 | 12 - 17 : | 677 |