Houthalen-Helchteren is a municipality located in the Belgian province of Limburg. Houthalen-Helchteren consists of Houthalen-centrum, Houthalen-Oost, Helchteren, Sonnis, Laak, Meulenberg and Lillo. On 1 January 2020 Houthalen-Helchteren had a total population of around 30.000. The total area is 78.27 km² which gives a population density of 389 inhabitants per km².