, the population was 50.4% male and 49.6% female. The population was made up of 825 Swiss men (38.0% of the population) and 268 (12.4%) non-Swiss men. There were 814 Swiss women (37.5%) and 262 (12.1%) non-Swiss women. Of the population in the municipality, 420 or about 20.1% were born in Rüdtligen-Alchenflüh and lived there in 2000. There were 970 or 46.3% who were born in the same canton, while 245 or 11.7% were born somewhere else in Switzerland, and 384 or 18.3% were born outside of Switzerland.