Zuzwil has an area of 3.47 km² (1.34 sq mi).
Of this area, 2.31 km² (0.89 sq mi) or 66.8% is used for agricultural purposes, while 0.9 km² (0.35 sq mi) or 26.0% is forested.
Of the rest of the land, 0.26 km² (0.10 sq mi) or 7.5% is settled (buildings or roads), 0.01 km² (2.5 acres) or 0.3% is either rivers or lakes.

Of the built up area, housing and buildings made up 4.9% and transportation infrastructure made up 2.0%.
Out of the forested land, all of the forested land area is covered with heavy forests.
Of the agricultural land, 57.8% is used for growing crops and 7.2% is pastures, while 1.7% is used for orchards or vine crops.
All the water in the municipality is flowing water.

The municipality is located on the eastern side of the Rapperswil plateau at the intersection of the Münchenbuchsee-Mülchi road and the Jegenstorf-Rapperswil road.

On 31 December 2009 Amtsbezirk Fraubrunnen, the municipality's former district, was dissolved.
On the following day, 1 January 2010, it joined the newly created Verwaltungskreis Bern-Mittelland.
Zuzwil has an area of 3.47 km² (1.34 sq mi). Of this area, 2.31 km² (0.89 sq mi) or 66.8% is used for agricultural purposes, while 0.9 km² (0.35 sq mi) or 26.0% is forested. Of the rest of the land, 0.26 km² (0.10 sq mi) or 7.5% is settled (buildings or roads), 0.01 km² (2.5 acres) or 0.3% is either rivers or lakes.
Of the built up area, housing and buildings made up 4.9% and transportation infrastructure made up 2.0%. Out of the forested land, all of the forested land area is covered with heavy forests. Of the agricultural land, 57.8% is used for growing crops and 7.2% is pastures, while 1.7% is used for orchards or vine crops. All the water in the municipality is flowing water.
The municipality is located on the eastern side of the Rapperswil plateau at the intersection of the Münchenbuchsee-Mülchi road and the Jegenstorf-Rapperswil road.
On 31 December 2009 Amtsbezirk Fraubrunnen, the municipality's former district, was dissolved. On the following day, 1 January 2010, it joined the newly created Verwaltungskreis Bern-Mittelland.
Zuzwil, Bern