the gender distribution of the population was 50.9% male and 49.1% female. The population was made up of 542 Swiss men (45.7% of the population), and 61 (5.1%) non-Swiss men. There were 535 Swiss women (45.1%), and 47 (4.0%) non-Swiss women. In there were 7 live births to Swiss citizens and 2 births to non-Swiss citizens, and in same time span there were 12 deaths of Swiss citizens. Ignoring immigration and emigration, the population of Swiss citizens decreased by 5 while the foreign population increased by 2. There were 9 non-Swiss men who emigrated from Switzerland to another country and 1 non-Swiss woman who emigrated from Switzerland to another country. The total Swiss population change in 2008 (from all sources) was a decrease of 20 and the non-Swiss population change was an increase of 10 people. This represents a population growth rate of -0.8%. The age distribution, , in Hefenhofen is; 117 children or 10.1% of the population are between 0 and 9 years old and 202 teenagers or 17.5% are between 10 and 19. Of the adult population, 119 people or 10.3% of the population are between 20 and 29 years old. 121 people or 10.5% are between 30 and 39, 225 people or 19.5% are between 40 and 49, and 180 people or 15.6% are between 50 and 59. The senior population distribution is 81 people or 7.0% of the population are between 60 and 69 years old, 69 people or 6.0% are between 70 and 79, there are 34 people or 2.9% who are between 80 and 89, and there are 6 people or 0.5% who are 90 and older. , there were 413 private households in the municipality, and an average of 2.6 persons per household. there were 190 single family homes (or 81.2% of the total) out of a total of 234 inhabited buildings. There were 22 two family buildings (9.4%), 10 three family buildings (4.3%) and 12 multi-family buildings (or 5.1%). There were 220 (or 19.9%) persons who were part of a couple without children, and 671 (or 60.6%) who were part of a couple with children. There were 54 (or 4.9%) people who lived in single parent home, while there are 8 persons who were adult children living with one or both parents, 4 persons who lived in a household made up of relatives, 12 who lived in a household made up of