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Below is information on the population, racial profile, house hold count, and sex/age profiles for the city of Leavenworth. These results are gathered once every 10 years and may not be 100% accurate or up to date.
The population for Leavenworth, Kansas is approximatly 35420.
Racial profile for Leavenworth:
| White : | 27192 |
| Black : | 5781 |
| Native American : | 270 |
| Asian : | 523 |
| Pacific Islander : | 59 |
| Other : | 609 |
| * results may not accumulate to total population due to mixed race individuals | |
Population by age for males in Leavenworth, Kansas :
| 18 - 19 : | 452 |
| 20 : | 202 |
| 21 : | 279 |
| 22 - 24 : | 723 |
| 25 - 29 : | 1537 |
| 30 - 34 : | 1659 |
| 35 - 39 : | 2311 |
| 40 - 44 : | 1676 |
| 45 - 49 : | 1318 |
| 50 - 54 : | 1024 |
| 55 - 59 : | 709 |
| 60 - 61 : | 240 |
| 62 - 64 : | 276 |
| 65 - 66 : | 175 |
| 67 - 69 : | 236 |
| 70 - 74 : | 372 |
| 75 - 79 : | 311 |
| 80 - 84 : | 162 |
| 85+ : | 108 |
Population by age for females in Leavenworth, Kansas :
| 18 - 19 : | 451 |
| 20 : | 220 |
| 21 : | 218 |
| 22 - 24 : | 573 |
| 25 - 29 : | 1055 |
| 30 - 34 : | 1266 |
| 35 - 39 : | 1633 |
| 40 - 44 : | 1192 |
| 45 - 49 : | 1064 |
| 50 - 54 : | 882 |
| 55 - 59 : | 662 |
| 60 - 61 : | 233 |
| 62 - 64 : | 327 |
| 65 - 66 : | 191 |
| 67 - 69 : | 270 |
| 70 - 74 : | 487 |
| 75 - 79 : | 451 |
| 80 - 84 : | 337 |
| 85+ : | 337 |
The total amount of households in Leavenworth, Kansas is 12035. With 31317 people of the population in these households. The average household size is 2.60.
26255 people in Leavenworth, Kansas are part of a family. The average family size in Leavenworth is 3.19 people.
There are 6896 married families in Leavenworth, Kansas.
Number of married families by number of members in the family :
| 0 - 2 : | 1217 | 3 - 4 : | 847 | 5 : | 423 | 6 - 11 : | 2472 | 12 - 17 : | 1937 |