Dallenwil has a population (as of ) of . , 7.1% of the population was made up of foreign nationals. Over the last 10 years the population has grown at a rate of 2.8%. Most of the population () speaks German (95.8%), with Albanian being second most common ( 1.4%) and Serbo-Croatian being third ( 0.7%). the gender distribution of the population was 51.0% male and 49.0% female. there are 607 households, of which 336 households (or about 55.4%) contain only one or two individuals. 82 or about 13.5% are large households, with at least five members. In the
2007 federal election the most popular party was the
FDP which received 81.6% of the vote. Most of the rest of the votes went to local small right-wing parties (15.1%). ==Transport==