area, or 42.0% is used for agricultural purposes, while or 36.6% is forested. Of the rest of the land, or 18.5% is settled (buildings or roads), or 3.1% is either rivers or lakes and or 0.1% is unproductive land. Of the built-up area, industrial buildings made up 2.7% of the total area while housing and buildings made up 9.5% and transportation infrastructure made up 4.6%. Out of the forested land, all of the forested land area is covered with heavy forests. Of the agricultural land, 33.2% is used for growing crops and 7.5% is pastures, while 1.3% is used for orchards or vine crops. All the water in the municipality is in rivers and streams. The municipality is located in the Rheinfelden district, along the Möhlinbach (Möhlin stream). It consists of the two parts Obermöhlin (Upper Möhlin) and Untermöhlin (Lower Möhlin) in the south of the railway line and of Riburg in the north. Coat of arms The blazon of the municipal coat of arms is Gules a garb Or ensigned with a Sickle Azure handled Sable. Demographics Möhlin has a population () of . , 21.3% of the population are foreign nationals. Over the last 10 years (1997–2007) the population has changed at a rate of 14.7%. Most of the population () speaks German (87.8%), with Italian being second most common ( 3.5%) and Albanian being third ( 1.9%). The age distribution, , in Möhlin is; 1,042 children or 10.9% of the population are between 0 and 9 years old and 1,148 teenagers or 12.0% are between 10 and 19. Of the adult population, 1,143 people or 12.0% of the population are between 20 and 29 years old. 1,423 people or 14.9% are between 30 and 39, 1,655 people or 17.3% are between 40 and 49, and 1,234 people or 12.9% are between 50 and 59. The senior population distribution is 951 people or 10.0% of the population are between 60 and 69 years old, 631 people or 6.6% are between 70 and 79, there are 288 people or 3.0% who are between 80 and 89, and there are 36 people or 0.4% who are 90 and older. the average number of residents per living room was 0.58 which is about equal to the cantonal average of 0.57 per room. In this case, a room is defined as space of a housing unit of at least as normal bedrooms,