 There are 2 people who speak Romansh., the gender distribution of the population was 49.4% male and 50.6% female.The population was made up of 1,966 Swiss citizens (89.3% of the population), and 235 non-Swiss residents (10.7%) Of the population in the municipality 337 or about 16.6% were born in Pfeffingen and lived there in 2000.