Hettlingen has a population (as of ) of . , 6.6% of the population was made up of foreign nationals. the gender distribution of the population was 48.6% male and 51.4% female. Over the last 10 years the population has grown at a rate of 41.9%. Most of the population () speaks German (94.7%), with French being second most common ( 1.0%) and English being third ( 0.9%). In the 2007 election the most popular party was the
SVP which received 39.1% of the vote. The next three most popular parties were the
FDP (17.2%), the
CSP (13.3%) and the
SPS (13.2%). The age distribution of the population () is children and teenagers (0–19 years old) make up 26.4% of the population, while adults (20–64 years old) make up 61.2% and seniors (over 64 years old) make up 12.3%. The entire Swiss population is generally well educated. In Hettlingen about 86.2% of the population (between age 25–64) have completed either non-mandatory
upper secondary education or additional higher education (either university or a ). There are 922 households in Hettlingen. 35.2% of the working population were employed full-time, and 64.8% were employed part-time. there were 618
Catholics and 1679
Protestants in Hettlingen. In the 2000 census, religion was broken down into several smaller categories. From the , 64.5% were some type of Protestant, with 61% belonging to the
Swiss Reformed Church and 3.5% belonging to other Protestant churches. 18.7% of the population were Catholic. Of the rest of the population, 0% were Muslim, 2.9% belonged to another religion (not listed), 2.6% did not give a religion, and 11.1% were atheist or agnostic. == Transportation ==