 Most of the population () speaks French (513 or 90.0%) as their first language, German is the second most common (27 or 4.7%) and Serbo-Croatian is the third (9 or 1.6%).There are 8 people who speak Italian and 1 person who speaks Romansh.Of the population in the village, 254 or about 44.6% were born in Ayer and lived there in 2000.