 Of the population in the village, 119 or about 60.7% were born in Saint-Jean and lived there in 2000.There were 47 or 24.0% who were born in the same canton, while 13 or 6.6% were born somewhere else in Switzerland, and 7 or 3.6% were born outside of Switzerland., there were 76 people who were single and never married in the village.