infrastructure made up 4.6%. while parks, green belts and sports fields made up 1.1%. Out of the forested land, 24.2% of the total land area is heavily forested and 3.7% is covered with orchards or small clusters of trees. Of the agricultural land, 0.4% is used for growing crops and 40.0% is pastures and 14.2% is used for alpine pastures. All the water in the municipality is flowing water. The municipality was the capital La Chaux-de-Fonds district until the district level was eliminated on 1 January 2018. It is located in the Jura Mountains near the French border at an elevation of about . Coat of arms The blazon of the municipal coat of arms is Tierced per fess, Azure three Mullets of Five Argent in fess, Argent a Hive Or surrounded by seven Bees of the same, and chequy [of 7x3] Argent and Azure. Demographics La Chaux-de-Fonds has a population () of . , 29.1% of the population are resident foreign nationals. Over the last 10 years (2000–2010) the population has changed at a rate of 1.3%. It has changed at a rate of 1.4% due to migration and at a rate of −0.2% due to births and deaths. Most of the population () speaks French (31,653 or 85.5%) as their first language, Italian is the second most common (1,335 or 3.6%) and Portuguese is the third (1,173 or 3.2%). There are 900 people who speak German and 32 people who speak Romansh. , the population was 48.0% male and 52.0% female. The population was made up of 12,444 Swiss men (33.2% of the population) and 5,578 (14.9%) non-Swiss men. There were 14,513 Swiss women (38.7%) and 4,988 (13.3%) non-Swiss women. Of the population in the municipality, 15,164 or about 41.0% were born in La Chaux-de-Fonds and lived there in 2000. There were 3,778 or 10.2% who were born in the same canton, while 6,962 or 18.8% were born somewhere else in Switzerland, and 9,651 or 26.1% were born outside of Switzerland. , children and teenagers (0–19 years old) make up 22.5% of the population, while adults (20–64 years old) make up 58.9% and seniors (over 64 years old) make up 18.6%. , there were 14,380 people who were single and never married in the municipality. There were 17,285 married individuals, 2,573 widows or widowers and 2,778 individuals who are divorced. , there were 17,207 private households in the