23.3% is forested. Of the rest of the land, or 29.3% is settled (buildings or roads), or 0.2% is either rivers or lakes and or 0.2% is unproductive land. Of the built up area, industrial buildings made up 2.8% of the total area while housing and buildings made up 17.1% and transportation infrastructure made up 4.4%. Power and water infrastructure as well as other special developed areas made up 2.7% of the area while parks, green belts and sports fields made up 2.3%. 21.8% of the total land area is heavily forested and 1.6% is covered with orchards or small clusters of trees. Of the agricultural land, 29.9% is used for growing crops and 16.6% is pastures, while 1.1% is used for orchards or vine crops. All the water in the municipality is in rivers and streams. The municipality is located in the Kulm district. Menziken, together with Reinach Burg and Pfeffikon in the Canton of Lucerne, forms an agglomeration in the upper Wynental (Wyna River valley). Coat of arms The blazon of the municipal coat of arms is Gules a Soldier Armoured and with Helmet Argent looking to sinister standing on Coupeaux Vert holding in dexter a Spear Or topped of the second and in sinister a Mullet of Five of the fourth. Demographics Menziken has a population () of . , 34.4% of the population are foreign nationals. Over the last 10 years (1997–2007) the population has changed at a rate of 1.8%. Most of the population () speaks German (81.3%), with Albanian being second most common ( 5.0%) and Serbo-Croatian being third ( 4.1%). The age distribution, , in Menziken is; 568 children or 10.4% of the population are between 0 and 9 years old and 780 teenagers or 14.3% are between 10 and 19. Of the adult population, 658 people or 12.0% of the population are between 20 and 29 years old. 710 people or 13.0% are between 30 and 39, 911 people or 16.7% are between 40 and 49, and 671 people or 12.3% are between 50 and 59. The senior population distribution is 560 people or 10.3% of the population are between 60 and 69 years old, 356 people or 6.5% are between 70 and 79, there are 220 people or 4.0% who are between 80 and 89, and there are 27 people or 0.5% who are 90 and older. the average number of