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Below is information on the population, racial profile, house hold count, and sex/age profiles for the city of Oak Grove. These results are gathered once every 10 years and may not be 100% accurate or up to date.
The population for Oak Grove, Illinois is approximatly 1318.
Racial profile for Oak Grove:
| White : | 451 |
| Black : | 761 |
| Native American : | 7 |
| Asian : | 2 |
| Pacific Islander : | 0 |
| Other : | 97 |
| * results may not accumulate to total population due to mixed race individuals | |
Population by age for males in Oak Grove, Illinois :
| 18 - 19 : | 26 |
| 20 : | 29 |
| 21 : | 37 |
| 22 - 24 : | 127 |
| 25 - 29 : | 224 |
| 30 - 34 : | 195 |
| 35 - 39 : | 249 |
| 40 - 44 : | 129 |
| 45 - 49 : | 81 |
| 50 - 54 : | 45 |
| 55 - 59 : | 21 |
| 60 - 61 : | 6 |
| 62 - 64 : | 6 |
| 65 - 66 : | 3 |
| 67 - 69 : | 5 |
| 70 - 74 : | 7 |
| 75 - 79 : | 3 |
| 80 - 84 : | 0 |
| 85+ : | 0 |
Population by age for females in Oak Grove, Illinois :
| 18 - 19 : | 5 |
| 20 : | 0 |
| 21 : | 2 |
| 22 - 24 : | 7 |
| 25 - 29 : | 6 |
| 30 - 34 : | 8 |
| 35 - 39 : | 5 |
| 40 - 44 : | 12 |
| 45 - 49 : | 8 |
| 50 - 54 : | 6 |
| 55 - 59 : | 10 |
| 60 - 61 : | 5 |
| 62 - 64 : | 1 |
| 65 - 66 : | 1 |
| 67 - 69 : | 3 |
| 70 - 74 : | 0 |
| 75 - 79 : | 1 |
| 80 - 84 : | 2 |
| 85+ : | 1 |
The total amount of households in Oak Grove, Illinois is 109. With 220 people of the population in these households. The average household size is 2.02.
152 people in Oak Grove, Illinois are part of a family. The average family size in Oak Grove is 2.49 people.
There are 20 married families in Oak Grove, Illinois.
Number of married families by number of members in the family :
| 0 - 2 : | 2 | 3 - 4 : | 4 | 5 : | 0 | 6 - 11 : | 5 | 12 - 17 : | 9 |