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Below is information on the population, racial profile, house hold count, and sex/age profiles for the city of Romeoville. These results are gathered once every 10 years and may not be 100% accurate or up to date.
The population for Romeoville, Illinois is approximatly 21153.
Racial profile for Romeoville:
| White : | 17872 |
| Black : | 1137 |
| Native American : | 82 |
| Asian : | 518 |
| Pacific Islander : | 5 |
| Other : | 1039 |
| * results may not accumulate to total population due to mixed race individuals | |
Population by age for males in Romeoville, Illinois :
| 18 - 19 : | 443 |
| 20 : | 205 |
| 21 : | 175 |
| 22 - 24 : | 433 |
| 25 - 29 : | 1038 |
| 30 - 34 : | 1179 |
| 35 - 39 : | 1032 |
| 40 - 44 : | 798 |
| 45 - 49 : | 553 |
| 50 - 54 : | 440 |
| 55 - 59 : | 410 |
| 60 - 61 : | 126 |
| 62 - 64 : | 150 |
| 65 - 66 : | 95 |
| 67 - 69 : | 129 |
| 70 - 74 : | 185 |
| 75 - 79 : | 85 |
| 80 - 84 : | 39 |
| 85+ : | 10 |
Population by age for females in Romeoville, Illinois :
| 18 - 19 : | 433 |
| 20 : | 187 |
| 21 : | 201 |
| 22 - 24 : | 428 |
| 25 - 29 : | 1128 |
| 30 - 34 : | 1090 |
| 35 - 39 : | 1000 |
| 40 - 44 : | 704 |
| 45 - 49 : | 531 |
| 50 - 54 : | 481 |
| 55 - 59 : | 410 |
| 60 - 61 : | 134 |
| 62 - 64 : | 199 |
| 65 - 66 : | 127 |
| 67 - 69 : | 137 |
| 70 - 74 : | 169 |
| 75 - 79 : | 113 |
| 80 - 84 : | 64 |
| 85+ : | 44 |
The total amount of households in Romeoville, Illinois is 6764. With 20223 people of the population in these households. The average household size is 2.99.
18013 people in Romeoville, Illinois are part of a family. The average family size in Romeoville is 3.35 people.
There are 4534 married families in Romeoville, Illinois.
Number of married families by number of members in the family :
| 0 - 2 : | 939 | 3 - 4 : | 556 | 5 : | 268 | 6 - 11 : | 1582 | 12 - 17 : | 1189 |