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Below is information on the population, racial profile, house hold count, and sex/age profiles for the city of Decatur. These results are gathered once every 10 years and may not be 100% accurate or up to date.
The population for Decatur, Alabama is approximatly 53929.
Racial profile for Decatur:
| White : | 40714 |
| Black : | 10548 |
| Native American : | 312 |
| Asian : | 376 |
| Pacific Islander : | 68 |
| Other : | 1195 |
| * results may not accumulate to total population due to mixed race individuals | |
Population by age for males in Decatur, Alabama :
| 18 - 19 : | 726 |
| 20 : | 333 |
| 21 : | 346 |
| 22 - 24 : | 989 |
| 25 - 29 : | 1835 |
| 30 - 34 : | 1846 |
| 35 - 39 : | 2174 |
| 40 - 44 : | 2066 |
| 45 - 49 : | 1979 |
| 50 - 54 : | 1633 |
| 55 - 59 : | 1314 |
| 60 - 61 : | 462 |
| 62 - 64 : | 608 |
| 65 - 66 : | 379 |
| 67 - 69 : | 500 |
| 70 - 74 : | 708 |
| 75 - 79 : | 571 |
| 80 - 84 : | 338 |
| 85+ : | 197 |
Population by age for females in Decatur, Alabama :
| 18 - 19 : | 668 |
| 20 : | 304 |
| 21 : | 335 |
| 22 - 24 : | 1060 |
| 25 - 29 : | 1821 |
| 30 - 34 : | 1871 |
| 35 - 39 : | 2199 |
| 40 - 44 : | 2127 |
| 45 - 49 : | 1967 |
| 50 - 54 : | 1878 |
| 55 - 59 : | 1400 |
| 60 - 61 : | 499 |
| 62 - 64 : | 736 |
| 65 - 66 : | 449 |
| 67 - 69 : | 695 |
| 70 - 74 : | 1063 |
| 75 - 79 : | 897 |
| 80 - 84 : | 687 |
| 85+ : | 576 |
The total amount of households in Decatur, Alabama is 21824. With 53006 people of the population in these households. The average household size is 2.43.
44147 people in Decatur, Alabama are part of a family. The average family size in Decatur is 2.99 people.
There are 8699 married families in Decatur, Alabama.
Number of married families by number of members in the family :
| 0 - 2 : | 1359 | 3 - 4 : | 913 | 5 : | 514 | 6 - 11 : | 3056 | 12 - 17 : | 2857 |