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Below is information on the population, racial profile, house hold count, and sex/age profiles for the city of Grand Coulee. These results are gathered once every 10 years and may not be 100% accurate or up to date.
The population for Grand Coulee, Washington is approximatly 897.
Racial profile for Grand Coulee:
| White : | 729 |
| Black : | 10 |
| Native American : | 112 |
| Asian : | 12 |
| Pacific Islander : | 0 |
| Other : | 25 |
| * results may not accumulate to total population due to mixed race individuals | |
Population by age for males in Grand Coulee, Washington :
| 18 - 19 : | 18 |
| 20 : | 3 |
| 21 : | 3 |
| 22 - 24 : | 7 |
| 25 - 29 : | 9 |
| 30 - 34 : | 20 |
| 35 - 39 : | 26 |
| 40 - 44 : | 22 |
| 45 - 49 : | 38 |
| 50 - 54 : | 23 |
| 55 - 59 : | 26 |
| 60 - 61 : | 9 |
| 62 - 64 : | 16 |
| 65 - 66 : | 6 |
| 67 - 69 : | 9 |
| 70 - 74 : | 30 |
| 75 - 79 : | 25 |
| 80 - 84 : | 14 |
| 85+ : | 6 |
Population by age for females in Grand Coulee, Washington :
| 18 - 19 : | 10 |
| 20 : | 1 |
| 21 : | 8 |
| 22 - 24 : | 9 |
| 25 - 29 : | 14 |
| 30 - 34 : | 26 |
| 35 - 39 : | 26 |
| 40 - 44 : | 40 |
| 45 - 49 : | 35 |
| 50 - 54 : | 37 |
| 55 - 59 : | 33 |
| 60 - 61 : | 10 |
| 62 - 64 : | 14 |
| 65 - 66 : | 13 |
| 67 - 69 : | 22 |
| 70 - 74 : | 25 |
| 75 - 79 : | 23 |
| 80 - 84 : | 15 |
| 85+ : | 24 |
The total amount of households in Grand Coulee, Washington is 410. With 873 people of the population in these households. The average household size is 2.13.
669 people in Grand Coulee, Washington are part of a family. The average family size in Grand Coulee is 2.71 people.
There are 101 married families in Grand Coulee, Washington.
Number of married families by number of members in the family :
| 0 - 2 : | 15 | 3 - 4 : | 12 | 5 : | 3 | 6 - 11 : | 32 | 12 - 17 : | 39 |