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Below is information on the population, racial profile, house hold count, and sex/age profiles for the city of Marion. These results are gathered once every 10 years and may not be 100% accurate or up to date.
The population for Marion, Illinois is approximatly 16035.
Racial profile for Marion:
| White : | 14895 |
| Black : | 696 |
| Native American : | 39 |
| Asian : | 133 |
| Pacific Islander : | 8 |
| Other : | 70 |
| * results may not accumulate to total population due to mixed race individuals | |
Population by age for males in Marion, Illinois :
| 18 - 19 : | 192 |
| 20 : | 94 |
| 21 : | 81 |
| 22 - 24 : | 281 |
| 25 - 29 : | 515 |
| 30 - 34 : | 507 |
| 35 - 39 : | 532 |
| 40 - 44 : | 545 |
| 45 - 49 : | 470 |
| 50 - 54 : | 497 |
| 55 - 59 : | 407 |
| 60 - 61 : | 130 |
| 62 - 64 : | 193 |
| 65 - 66 : | 131 |
| 67 - 69 : | 173 |
| 70 - 74 : | 310 |
| 75 - 79 : | 281 |
| 80 - 84 : | 191 |
| 85+ : | 137 |
Population by age for females in Marion, Illinois :
| 18 - 19 : | 175 |
| 20 : | 116 |
| 21 : | 90 |
| 22 - 24 : | 306 |
| 25 - 29 : | 508 |
| 30 - 34 : | 483 |
| 35 - 39 : | 578 |
| 40 - 44 : | 577 |
| 45 - 49 : | 518 |
| 50 - 54 : | 516 |
| 55 - 59 : | 441 |
| 60 - 61 : | 167 |
| 62 - 64 : | 261 |
| 65 - 66 : | 169 |
| 67 - 69 : | 249 |
| 70 - 74 : | 442 |
| 75 - 79 : | 429 |
| 80 - 84 : | 314 |
| 85+ : | 373 |
The total amount of households in Marion, Illinois is 6902. With 15548 people of the population in these households. The average household size is 2.25.
12421 people in Marion, Illinois are part of a family. The average family size in Marion is 2.86 people.
There are 2299 married families in Marion, Illinois.
Number of married families by number of members in the family :
| 0 - 2 : | 387 | 3 - 4 : | 244 | 5 : | 122 | 6 - 11 : | 791 | 12 - 17 : | 755 |