Geographical location
- Latitude: 50° 43' N
- Longitude: 15° 26' E
- Altitude – minimum: 447 m a.s.l. (railway station)
- Altitude – maximum: 1.417 m a.s.l. (crossing of the trail of Czech-Polish friendship and the trail from the Labe spring)
Cadastral area
(area according to cadastral areas of Rokytnice nad Jizerou)
| Dolní Rokytnice nad Jizerou: | 1.128 ha |
| Horní Rokytnice nad Jizerou: | 879 ha |
| Františkov v Krkonoších: | 272 ha |
| Rokytno v Krkonoších: | 1.417 ha |
Climate
(data from 2001)
| The highest measured temperature: | +33,6 °C |
| The lowest measured temperature: | -20,4 °C |
Demography of Rokytnice nad Jizerou
Number of inhabitants
| permanently residing inhabitants | women | men | |
| according to the last census as per 1.3.2001 | 3.406 | 1.689 | 1.725 |
| as per 1.1.2005 | 3.265 | 1.624 | 1.641 |
Unemployment
- as per 30.4.2005: 11.3%
- The data about unemployment are updated approximately quarterly – see the website of the Employment office in Semily: www.portal.mpsv.cz
