Ittenthal
Ittenthal was a municipality in the district of Laufenburg in the canton of Aargau in Switzerland. On 1 January 2010, Ittenthal merged into the municipality of Kaisten.
The historical population is given in the following table:
| year | population |
| 1803 | 171 |
| 1850 | 265 |
| 1900 | 217 |
| 1950 | 221 |
| 2000 | 222 |
