 There were 736 Swiss women (45.2%) and 74 (4.5%) non-Swiss women.Of the population in the municipality, 252 or about 22.4% were born in Marsens and lived there in 2000.There were 548 or 48.8% who were born in the same canton, while 148 or 13.2% were born somewhere else in Switzerland, and 127 or 11.3% were born outside of Switzerland.