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Below is information on the population, racial profile, house hold count, and sex/age profiles for the city of Denison. These results are gathered once every 10 years and may not be 100% accurate or up to date.
The population for Denison, Iowa is approximatly 7339.
Racial profile for Denison:
| White : | 6379 |
| Black : | 117 |
| Native American : | 33 |
| Asian : | 60 |
| Pacific Islander : | 1 |
| Other : | 662 |
| * results may not accumulate to total population due to mixed race individuals | |
Population by age for males in Denison, Iowa :
| 18 - 19 : | 137 |
| 20 : | 78 |
| 21 : | 61 |
| 22 - 24 : | 170 |
| 25 - 29 : | 245 |
| 30 - 34 : | 221 |
| 35 - 39 : | 255 |
| 40 - 44 : | 268 |
| 45 - 49 : | 216 |
| 50 - 54 : | 217 |
| 55 - 59 : | 163 |
| 60 - 61 : | 53 |
| 62 - 64 : | 67 |
| 65 - 66 : | 40 |
| 67 - 69 : | 73 |
| 70 - 74 : | 110 |
| 75 - 79 : | 93 |
| 80 - 84 : | 85 |
| 85+ : | 54 |
Population by age for females in Denison, Iowa :
| 18 - 19 : | 139 |
| 20 : | 66 |
| 21 : | 35 |
| 22 - 24 : | 133 |
| 25 - 29 : | 228 |
| 30 - 34 : | 220 |
| 35 - 39 : | 227 |
| 40 - 44 : | 266 |
| 45 - 49 : | 223 |
| 50 - 54 : | 204 |
| 55 - 59 : | 156 |
| 60 - 61 : | 39 |
| 62 - 64 : | 80 |
| 65 - 66 : | 59 |
| 67 - 69 : | 79 |
| 70 - 74 : | 153 |
| 75 - 79 : | 156 |
| 80 - 84 : | 158 |
| 85+ : | 203 |
The total amount of households in Denison, Iowa is 2674. With 6757 people of the population in these households. The average household size is 2.53.
5414 people in Denison, Iowa are part of a family. The average family size in Denison is 3.08 people.
There are 1228 married families in Denison, Iowa.
Number of married families by number of members in the family :
| 0 - 2 : | 184 | 3 - 4 : | 138 | 5 : | 71 | 6 - 11 : | 377 | 12 - 17 : | 458 |