Anwil has an area, as of 2009, of 3.96 square kilometers (1.53 sq mi).
 Of this area, 2.52 km² (0.97 sq mi) or 63.6% is used for agricultural purposes, while 1.1 km² (0.42 sq mi) or 27.8% is forested.
  Of the rest of the land, 0.32 km² (0.12 sq mi) or 8.1% is settled (buildings or roads), 0.03 km² (7.4 acres) or 0.8% is either rivers or lakes and 0.02 km² (4.9 acres) or 0.5% is unproductive land.

Of the built up area, housing and buildings made up 5.3% and transportation infrastructure made up 2.5%.
 Out of the forested land, 26.5% of the total land area is heavily forested and 1.3% is covered with orchards or small clusters of trees.
 Of the agricultural land, 42.4% is used for growing crops and 17.7% is pastures, while 3.5% is used for orchards or vine crops.
 All the water in the municipality is in lakes.

The municipality is located in the Sissach district and is the eastern most municipality in the half canton.
 It consists of the haufendorf village (an irregular, unplanned and quite closely packed village, built around a central square) of Anwil, located in the Jura Mountains between the Ergolz valleys and the Kienberger Eital.
Anwil has an area, as of 2009, of 3.96 square kilometers (1.53 sq mi).  Of this area, 2.52 km² (0.97 sq mi) or 63.6% is used for agricultural purposes, while 1.1 km² (0.42 sq mi) or 27.8% is forested.   Of the rest of the land, 0.32 km² (0.12 sq mi) or 8.1% is settled (buildings or roads), 0.03 km² (7.4 acres) or 0.8% is either rivers or lakes and 0.02 km² (4.9 acres) or 0.5% is unproductive land.
Of the built up area, housing and buildings made up 5.3% and transportation infrastructure made up 2.5%.  Out of the forested land, 26.5% of the total land area is heavily forested and 1.3% is covered with orchards or small clusters of trees.  Of the agricultural land, 42.4% is used for growing crops and 17.7% is pastures, while 3.5% is used for orchards or vine crops.  All the water in the municipality is in lakes.
The municipality is located in the Sissach district and is the eastern most municipality in the half canton.  It consists of the haufendorf village (an irregular, unplanned and quite closely packed village, built around a central square) of Anwil, located in the Jura Mountains between the Ergolz valleys and the Kienberger Eital.
Anwil