average number of residents per living room was 0.57 which is about equal to the cantonal average of 0.56 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 26% 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 5,678 private households in the municipality, and an average of 2.2 persons per household. there were 931 single family homes (or 56.6% of the total) out of a total of 1,646 inhabited buildings. There were 135 two family buildings (8.2%), 147 three family buildings (8.9%) and 433 multi-family buildings (or 26.3%). There were 3,250 (or 25.2%) persons who were part of a couple without children, and 6,146 (or 47.6%) who were part of a couple with children. There were 857 (or 6.6%) people who lived in single parent home, while there are 87 persons who were adult children living with one or both parents, 61 persons who lived in a household made up of relatives, 92 who lived in a household made up of unrelated persons, and 351 who are either institutionalized or live in another type of collective housing. The vacancy rate for the municipality, , was 1.73%. , the construction rate of new housing units was 1.3 new units per 1000 residents. there were 6,400 apartments in the municipality. The most common apartment size was the 4 room apartment of which there were 2,164. There were 267 single room apartments and 485 apartments with six or more rooms. the average price to rent an average apartment in Arbon was 979.90 Swiss francs (CHF) per month (US$780, £440, €630 approx. exchange rate from 2000). The average rate for a one-room apartment was 490.98 CHF (US$390, £220, €310), a two-room apartment was about 729.51 CHF (US$580, £330, €470), a three-room apartment was about 897.10 CHF (US$720, £400, €570) and a six or more room apartment cost an average of 1453.57 CHF (US$1160, £650, €930). The average apartment price in Arbon was 87.8% of the national average of 1116 CHF. Education The entire Swiss population is generally well educated. In Arbon about 76.1% of the population (between age 25 and 64) have completed either non-mandatory upper secondary education or additional higher