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Below is information on the population, racial profile, house hold count, and sex/age profiles for the city of Oacoma. These results are gathered once every 10 years and may not be 100% accurate or up to date.
The population for Oacoma, South Dakota is approximatly 390.
Racial profile for Oacoma:
| White : | 368 |
| Black : | 0 |
| Native American : | 13 |
| Asian : | 0 |
| Pacific Islander : | 0 |
| Other : | 0 |
| * results may not accumulate to total population due to mixed race individuals | |
Population by age for males in Oacoma, South Dakota :
| 18 - 19 : | 3 |
| 20 : | 2 |
| 21 : | 1 |
| 22 - 24 : | 6 |
| 25 - 29 : | 14 |
| 30 - 34 : | 15 |
| 35 - 39 : | 16 |
| 40 - 44 : | 17 |
| 45 - 49 : | 22 |
| 50 - 54 : | 14 |
| 55 - 59 : | 10 |
| 60 - 61 : | 5 |
| 62 - 64 : | 4 |
| 65 - 66 : | 1 |
| 67 - 69 : | 4 |
| 70 - 74 : | 5 |
| 75 - 79 : | 3 |
| 80 - 84 : | 3 |
| 85+ : | 1 |
Population by age for females in Oacoma, South Dakota :
| 18 - 19 : | 3 |
| 20 : | 2 |
| 21 : | 1 |
| 22 - 24 : | 3 |
| 25 - 29 : | 13 |
| 30 - 34 : | 13 |
| 35 - 39 : | 15 |
| 40 - 44 : | 15 |
| 45 - 49 : | 18 |
| 50 - 54 : | 14 |
| 55 - 59 : | 14 |
| 60 - 61 : | 2 |
| 62 - 64 : | 5 |
| 65 - 66 : | 5 |
| 67 - 69 : | 4 |
| 70 - 74 : | 7 |
| 75 - 79 : | 5 |
| 80 - 84 : | 1 |
| 85+ : | 2 |
The total amount of households in Oacoma, South Dakota is 169. With 390 people of the population in these households. The average household size is 2.31.
318 people in Oacoma, South Dakota are part of a family. The average family size in Oacoma is 2.86 people.
There are 68 married families in Oacoma, South Dakota.
Number of married families by number of members in the family :
| 0 - 2 : | 10 | 3 - 4 : | 5 | 5 : | 6 | 6 - 11 : | 24 | 12 - 17 : | 23 |