Subingen is a municipality in the district of Wasseramt in the canton of Solothurn in Switzerland. Subingen has an area, , of . Of this area, or 48.2% is used for agricultural purposes, while or 29.9% is forested. Of the rest of the land, or 20.5% is settled (buildings or roads), or 0.6% is either rivers or lakes and or 0.2% is unproductive land. Of the built up area, industrial buildings made up 2.6% of the total area while housing and buildings made up 10.1% and transportation infrastructure made up 6.2%. while parks, green belts and sports fields made up 1.3%. Out of the forested land, 28.2% of the total land area is heavily forested and 1.8% is covered with orchards or small clusters of trees. Of the agricultural land, 40.2% is used for growing crops and 7.0% is pastures. All the water in the municipality is flowing water. The blazon of the municipal coat of arms is Azure an Oxen passant on Coupeaux and in Chief a Mullet of Five all Argent. Subingen has a population () of . , 16.1% of the population are resident foreign nationals. Over the last 10 years (1999–2009 ) the population has changed at a rate of 9.2%. It has increased at a rate of 5.9% due to migration and at a rate of 2.1% due to births and deaths. Most of the population () speaks German (2,396 or 91.3%), with Italian being second most common (47 or 1.8%) and Turkish being third (44 or 1.7%). There are 13 people who speak French and 2 people who speak Romansh. the gender distribution of the population was 49.3% male and 50.7% female. The population was made up of 1,192 Swiss men (40.3% of the population) and 265 (9.0%) non-Swiss men. There were 1,274 Swiss women (43.1%) and 227 (7.7%) non-Swiss women. Of the population in the municipality 758 or about 28.9% were born in Subingen and lived there in 2000. There were 860 or 32.8% who were born in the same canton, while 611 or 23.3% were born somewhere else in Switzerland, and 317 or 12.1% were born outside of Switzerland.