4 non-Swiss women who immigrated from another country to Switzerland. The total Swiss population change in 2008 (from all sources, including moves across municipal borders) was an increase of 3 and the non-Swiss population increased by 10 people. This represents a population growth rate of 1.5%. The age distribution, , in Étagnières is; 115 children or 12.5% of the population are between 0 and 9 years old and 128 teenagers or 13.9% are between 10 and 19. Of the adult population, 113 people or 12.3% of the population are between 20 and 29 years old. 143 people or 15.5% are between 30 and 39, 126 people or 13.7% are between 40 and 49, and 118 people or 12.8% are between 50 and 59. The senior population distribution is 103 people or 11.2% of the population are between 60 and 69 years old, 46 people or 5.0% are between 70 and 79, there are 28 people or 3.0% who are between 80 and 89, and there is 1 person who is 90 and older. , there were 332 people who were single and never married in the municipality. There were 398 married individuals, 18 widows or widowers and 52 individuals who are divorced. , there were 307 private households in the municipality, and an average of 2.4 persons per household. There were 94 households that consist of only one person and 23 households with five or more people. Out of a total of 314 households that answered this question, 29.9% were households made up of just one person and there was 1 adult who lived with their parents. Of the rest of the households, there are 85 married couples without children, 112 married couples with children There were 15 single parents with a child or children. there were 78 single family homes (or 54.5% of the total) out of a total of 143 inhabited buildings. There were 32 multi-family buildings (22.4%), along with 25 multi-purpose buildings that were mostly used for housing (17.5%) and 8 other use buildings (commercial or industrial) that also had some housing (5.6%). Of the single family homes 10 were built before 1919, while 8 were built between 1990 and 2000. The greatest number of single family homes (27) were built between 1981 and 1990. The greatest number of multi-family homes (7) were built before 1919 and again between 1981 and 1990 there were 324 apartments in