sentences:  Most of the population () speaks German (479 or 98.2%) as their first language, Serbo-Croatian is the second most common (4 or 0.8%) and Danish is the third (3 or 0.6%)., the population was made up of 522 Swiss citizens and 28 non-citizen residents (5.09% of the population).Of the population in the municipality, 355 or about 72.7% were born in Wiler and lived there in 2000.