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Below is information on the population, racial profile, house hold count, and sex/age profiles for the city of Londonderry. These results are gathered once every 10 years and may not be 100% accurate or up to date.
The population for Londonderry, New Hampshire is approximatly 11417.
Racial profile for Londonderry:
| White : | 11100 |
| Black : | 57 |
| Native American : | 243 |
| Asian : | 106 |
| Pacific Islander : | 5 |
| Other : | 24 |
| * results may not accumulate to total population due to mixed race individuals | |
Population by age for males in Londonderry, New Hampshire :
| 18 - 19 : | 158 |
| 20 : | 44 |
| 21 : | 50 |
| 22 - 24 : | 119 |
| 25 - 29 : | 251 |
| 30 - 34 : | 363 |
| 35 - 39 : | 505 |
| 40 - 44 : | 592 |
| 45 - 49 : | 475 |
| 50 - 54 : | 407 |
| 55 - 59 : | 298 |
| 60 - 61 : | 79 |
| 62 - 64 : | 89 |
| 65 - 66 : | 56 |
| 67 - 69 : | 70 |
| 70 - 74 : | 79 |
| 75 - 79 : | 57 |
| 80 - 84 : | 28 |
| 85+ : | 19 |
Population by age for females in Londonderry, New Hampshire :
| 18 - 19 : | 139 |
| 20 : | 41 |
| 21 : | 51 |
| 22 - 24 : | 132 |
| 25 - 29 : | 274 |
| 30 - 34 : | 413 |
| 35 - 39 : | 600 |
| 40 - 44 : | 630 |
| 45 - 49 : | 528 |
| 50 - 54 : | 395 |
| 55 - 59 : | 307 |
| 60 - 61 : | 76 |
| 62 - 64 : | 85 |
| 65 - 66 : | 44 |
| 67 - 69 : | 67 |
| 70 - 74 : | 103 |
| 75 - 79 : | 82 |
| 80 - 84 : | 40 |
| 85+ : | 21 |
The total amount of households in Londonderry, New Hampshire is 3832. With 11408 people of the population in these households. The average household size is 2.98.
10318 people in Londonderry, New Hampshire are part of a family. The average family size in Londonderry is 3.30 people.
There are 2924 married families in Londonderry, New Hampshire.
Number of married families by number of members in the family :
| 0 - 2 : | 399 | 3 - 4 : | 298 | 5 : | 166 | 6 - 11 : | 1067 | 12 - 17 : | 994 |