| Holbæk | Samsø | |
|---|---|---|
| House prices per m² | 13.000 kr. | 8.000 kr. |
| Events | 1.037 | 127 |
| Culture budget | 2.829 kr. | 2.230 kr. |
| Night sky | 94% | 99% |
| Species | 5.668 | 4.226 |
| Forest | 12% | 7% |
| Coastal line | 103 km | 137 km |
| Sun | 120 W/m² | 119 W/m² |
| Bird species | 301 | 294 |
| Fungi species | 1.293 | 1.524 |
| Insect species | 1.825 | 794 |
| Plant species | 1.690 | 1.268 |
| Nature area | 111 km² | 23 km² |
| Protected areas | 17 km² | 18 km² |
| Temperature | 8,6 °C | 8,7 °C |
| Rain | 1,7 mm | 1,7 mm |
| Growth season | 243 days | 248 days |
| Wind | 4,7 m/s | 5,1 m/s |
| Bike paths | 17% | 12% |
| Income | 590.139 kr | 501.983 kr |
| Municipal tax | 25,3% | 25,9% |
| Property tax | 2,509% | 3,075% |
| Church tax | 0,96% | 1,22% |
| Unemployment | 2% | 3% |
| Age | 44 years | 52 years |
| Pesticides | 0,07 µg/l | 0,07 µg/l |
| Radon, +100 Bq/m³ | 54% | 0% |
| Water hardness | 15 °dH | 21 °dH |