Table 1.
Characteristics of the 7 Watchtowers and the constituting 18 municipalities. Data per 01.01.2006, otherwise stated.
| Watchtower | Population | Area (km2) | Municipality | Population categories (1–3) | Change in population, 2001 to 2006 (quartiles) | Gross income, men 17 years + 2004 (quartiles) | Centralisation classification (1–7), 1994 |
| Nes | 18,022 | 637 | Nes | 2 | 4 | 3 | 7 |
| Solør | 20,646 | 2,583 | Grue | 2 | 1 | 2 | 4 |
| Åsnes | 2 | 1 | 1 | 4 | |||
| Våler | 1 | 2 | 1 | 4 | |||
| Arendal | 85,431 | 5,622 | Arendal | 3 | 3 | 3 | 6 |
| Fyresdal | 1 | 3 | 1 | 1 | |||
| Risør | 2 | 2 | 2 | 5 | |||
| Grimstad | 2 | 4 | 4 | 7 | |||
| Nissedal | 1 | 1 | 2 | 6 | |||
| Gjerstad | 1 | 3 | 2 | 4 | |||
| Vegårdshei | 1 | 3 | 2 | 6 | |||
| Tvedestrand | 2 | 2 | 3 | 6 | |||
| Froland | 1 | 4 | 3 | 6 | |||
| Åmli | 1 | 1 | 1 | 1 | |||
| Kvam | 8,306 | 616 | Kvam | 2 | 2 | 3 | 2 |
| Austevoll | 4,391 | 117 | Austevoll | 1 | 2 | 4 | 2 |
| Tromsø | 63,596 | 2,566 | Tromsø | 3 | 4 | 3 | 7 |
| Alta | 17,889 | 3,849 | Alta | 2 | 4 | 2 | 3 |
| Norway | 4,640,200 | 385,199 | |||||