Dörflingen has a population (as of ) of . In 2008 a total of 11.6% of the population were foreign nationals. Of the foreign population, (), 53.2% are from Germany, 13.8% are from Italy, 1.1% are from Croatia, 1.1% are from Serbia, and 30.9% are from another country. Over the last 10 years the population has grown at a rate of 3.9%. Most of the population () speaks German (96.6%), with Italian being second most common (1.4%) and Serbo-Croatian being third (0.8%).