, in Romairon is; 1 child is between 0 and 9 years old and 4 teenagers or 10.8% are between 10 and 19. Of the adult population, 5 people or 13.5% of the population are between 20 and 29 years old. 4 people or 10.8% are between 30 and 39, 7 people or 18.9% are between 40 and 49, and 5 people or 13.5% are between 50 and 59. The senior population distribution is 5 people or 13.5% of the population are between 60 and 69 years old, 4 people or 10.8% are between 70 and 79, there are 2 people or 5.4% who are between 80 and 89. , there were 14 people who were single and never married in the municipality. There were 20 married individuals, 1 widows or widowers and 2 individuals who are divorced. the average number of residents per living room was 0.54 which is fewer people per room than the cantonal average of 0.61 per room. In this case, a room is defined as space of a housing unit of at least as normal bedrooms, dining rooms, living rooms, kitchens and habitable cellars and attics. About 43.8% of the total households were owner occupied, or in other words did not pay rent (though they may have a mortgage or a rent-to-own agreement). , there were 16 private households in the municipality, and an average of 2.3 persons per household. There were 6 households that consist of only one person and 1 households with five or more people. Out of a total of 16 households that answered this question, 37.5% were households made up of just one person. Of the rest of the households, there are 5 married couples without children, 5 married couples with children there were 8 single family homes (or 44.4% of the total) out of a total of 18 inhabited buildings. There were 1 multi-family buildings (5.6%), along with 7 multi-purpose buildings that were mostly used for housing (38.9%) and 2 other use buildings (commercial or industrial) that also had some housing (11.1%). Of the single family homes 4 were built before 1919, while 1 was built between 1990 and 2000. The most multi-family homes (1) were built before 1919. there were 19 apartments in the municipality. The most common apartment size was 4 rooms of which there were 6. There was 1 single room apartment and 7 apartments with five