Select a City
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, Illinois is approximatly 81860.
Racial profile for Decatur:
| White : | 63519 |
| Black : | 15940 |
| Native American : | 141 |
| Asian : | 540 |
| Pacific Islander : | 15 |
| Other : | 354 |
| * results may not accumulate to total population due to mixed race individuals | |
Population by age for males in Decatur, Illinois :
| 18 - 19 : | 1302 |
| 20 : | 713 |
| 21 : | 634 |
| 22 - 24 : | 1575 |
| 25 - 29 : | 2518 |
| 30 - 34 : | 2296 |
| 35 - 39 : | 2626 |
| 40 - 44 : | 2787 |
| 45 - 49 : | 2824 |
| 50 - 54 : | 2513 |
| 55 - 59 : | 1868 |
| 60 - 61 : | 648 |
| 62 - 64 : | 905 |
| 65 - 66 : | 575 |
| 67 - 69 : | 917 |
| 70 - 74 : | 1394 |
| 75 - 79 : | 1161 |
| 80 - 84 : | 691 |
| 85+ : | 449 |
Population by age for females in Decatur, Illinois :
| 18 - 19 : | 1500 |
| 20 : | 838 |
| 21 : | 751 |
| 22 - 24 : | 1811 |
| 25 - 29 : | 2644 |
| 30 - 34 : | 2429 |
| 35 - 39 : | 2834 |
| 40 - 44 : | 3121 |
| 45 - 49 : | 3049 |
| 50 - 54 : | 2664 |
| 55 - 59 : | 2124 |
| 60 - 61 : | 774 |
| 62 - 64 : | 1084 |
| 65 - 66 : | 675 |
| 67 - 69 : | 1156 |
| 70 - 74 : | 1968 |
| 75 - 79 : | 1790 |
| 80 - 84 : | 1290 |
| 85+ : | 1333 |
The total amount of households in Decatur, Illinois is 34086. With 78412 people of the population in these households. The average household size is 2.30.
61220 people in Decatur, Illinois are part of a family. The average family size in Decatur is 2.90 people.
There are 10365 married families in Decatur, Illinois.
Number of married families by number of members in the family :
| 0 - 2 : | 1605 | 3 - 4 : | 1061 | 5 : | 575 | 6 - 11 : | 3649 | 12 - 17 : | 3475 |