 Of the population in the municipality, 415 or about 46.1% were born in Ursenbach and lived there in 2000.There were 363 or 40.3% who were born in the same canton, while 73 or 8.1% were born somewhere else in Switzerland, and 26 or 2.9% were born outside of Switzerland., children and teenagers (0–19 years old) make up 24.8% of the population, while adults (20–64 years old) make up 57% and seniors (over 64 years old) make up 18.2%.