| Holbæk | Roskilde | |
|---|---|---|
| House prices per m² | 13.000 kr. | 25.000 kr. |
| Events | 1.037 | 1.939 |
| Culture budget | 2.829 kr. | 3.591 kr. |
| Night sky | 94% | 71% |
| Species | 5.668 | 4.990 |
| Forest | 12% | 6% |
| Costal line | 103 km | 50 km |
| Sun | 120 W/m² | 118 W/m² |
| Bird species | 301 | 299 |
| Fungi species | 1.293 | 1.726 |
| Insect species | 1.825 | 1.127 |
| Plant species | 1.690 | 1.491 |
| Nature area | 111 km² | 30 km² |
| Protected areas | 17 km² | 18 km² |
| Temperature | 8,6 °C | 8,5 °C |
| Rain | 1,7 mm | 1,7 mm |
| Growth season | 243 dage | 241 dage |
| Wind | 4,7 m/s | 4,4 m/s |
| Bike path | 17% | 45% |
| Income | 590.139 kr | 678.808 kr |
| Municipal tax | 25,3% | 25,2% |
| Propety tax | 2,509% | 2,569% |
| Church tax | 0,96% | 0,84% |
| Unemployment | 2% | 2,2% |
| Age | 44 år | 42 år |
| Pesticides | 0,07 µg/l | 0,05 µg/l |
| Radon, +100 Bq/m³ | 54% | 53% |
| Water hardness | 15 °dH | 15 °dH |