Jegenstorf has an area, (as of the 2004/09 survey) of . Of this area, about 63.5% is used for agricultural purposes, while 23.5% is forested. Of the rest of the land, 12.0% is settled (buildings or roads) and 1.0% is unproductive land. In the 2013/18 survey a total of or about 8.5% of the total area was covered with buildings, an increase of over the 1982 amount. Over the same time period, the amount of recreational space in the municipality increased by and is now about 0.96% of the total area.