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Below is information on the population, racial profile, house hold count, and sex/age profiles for the city of Roca. These results are gathered once every 10 years and may not be 100% accurate or up to date.
The population for Roca, Nebraska is approximatly 220.
Racial profile for Roca:
| White : | 217 |
| Black : | 0 |
| Native American : | 1 |
| 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 Roca, Nebraska :
| 18 - 19 : | 5 |
| 20 : | 0 |
| 21 : | 0 |
| 22 - 24 : | 3 |
| 25 - 29 : | 10 |
| 30 - 34 : | 17 |
| 35 - 39 : | 10 |
| 40 - 44 : | 9 |
| 45 - 49 : | 7 |
| 50 - 54 : | 8 |
| 55 - 59 : | 3 |
| 60 - 61 : | 1 |
| 62 - 64 : | 1 |
| 65 - 66 : | 1 |
| 67 - 69 : | 1 |
| 70 - 74 : | 2 |
| 75 - 79 : | 0 |
| 80 - 84 : | 1 |
| 85+ : | 0 |
Population by age for females in Roca, Nebraska :
| 18 - 19 : | 1 |
| 20 : | 1 |
| 21 : | 1 |
| 22 - 24 : | 5 |
| 25 - 29 : | 7 |
| 30 - 34 : | 13 |
| 35 - 39 : | 8 |
| 40 - 44 : | 12 |
| 45 - 49 : | 7 |
| 50 - 54 : | 6 |
| 55 - 59 : | 4 |
| 60 - 61 : | 1 |
| 62 - 64 : | 2 |
| 65 - 66 : | 1 |
| 67 - 69 : | 1 |
| 70 - 74 : | 3 |
| 75 - 79 : | 1 |
| 80 - 84 : | 1 |
| 85+ : | 0 |
The total amount of households in Roca, Nebraska is 80. With 220 people of the population in these households. The average household size is 2.75.
191 people in Roca, Nebraska are part of a family. The average family size in Roca is 3.13 people.
There are 55 married families in Roca, Nebraska.
Number of married families by number of members in the family :
| 0 - 2 : | 12 | 3 - 4 : | 8 | 5 : | 3 | 6 - 11 : | 18 | 12 - 17 : | 14 |