, the population was 50.8% male and 49.2% female. The population was made up of 272 Swiss men (50.1% of the population) and 4 (0.7%) non-Swiss men. There were 266 Swiss women (49.0%) and 1 (0.2%) non-Swiss women. Of the population in the municipality, 290 or about 53.1% were born in Walterswil and lived there in 2000. There were 192 or 35.2% who were born in the same canton, while 29 or 5.3% were born somewhere else in Switzerland, and 6 or 1.1% were born outside of Switzerland.