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Below is information on the population, racial profile, house hold count, and sex/age profiles for the city of Storm Lake. These results are gathered once every 10 years and may not be 100% accurate or up to date.
The population for Storm Lake, Iowa is approximatly 10076.
Racial profile for Storm Lake:
| White : | 8029 |
| Black : | 53 |
| Native American : | 17 |
| Asian : | 788 |
| Pacific Islander : | 2 |
| Other : | 962 |
| * results may not accumulate to total population due to mixed race individuals | |
Population by age for males in Storm Lake, Iowa :
| 18 - 19 : | 318 |
| 20 : | 175 |
| 21 : | 176 |
| 22 - 24 : | 290 |
| 25 - 29 : | 304 |
| 30 - 34 : | 358 |
| 35 - 39 : | 351 |
| 40 - 44 : | 321 |
| 45 - 49 : | 302 |
| 50 - 54 : | 249 |
| 55 - 59 : | 162 |
| 60 - 61 : | 66 |
| 62 - 64 : | 77 |
| 65 - 66 : | 45 |
| 67 - 69 : | 82 |
| 70 - 74 : | 184 |
| 75 - 79 : | 122 |
| 80 - 84 : | 89 |
| 85+ : | 86 |
Population by age for females in Storm Lake, Iowa :
| 18 - 19 : | 285 |
| 20 : | 181 |
| 21 : | 160 |
| 22 - 24 : | 225 |
| 25 - 29 : | 264 |
| 30 - 34 : | 293 |
| 35 - 39 : | 319 |
| 40 - 44 : | 302 |
| 45 - 49 : | 315 |
| 50 - 54 : | 226 |
| 55 - 59 : | 167 |
| 60 - 61 : | 67 |
| 62 - 64 : | 88 |
| 65 - 66 : | 69 |
| 67 - 69 : | 119 |
| 70 - 74 : | 211 |
| 75 - 79 : | 211 |
| 80 - 84 : | 169 |
| 85+ : | 220 |
The total amount of households in Storm Lake, Iowa is 3466. With 8903 people of the population in these households. The average household size is 2.57.
7078 people in Storm Lake, Iowa are part of a family. The average family size in Storm Lake is 3.20 people.
There are 1720 married families in Storm Lake, Iowa.
Number of married families by number of members in the family :
| 0 - 2 : | 247 | 3 - 4 : | 176 | 5 : | 95 | 6 - 11 : | 603 | 12 - 17 : | 599 |