housing and buildings made up 8.7%, and transportation infrastructure made up 5.7%. Parks, green belts, and sports fields made up 1.7%. Of the forested land, 2.2% of the total land area is heavily forested and 1.4% is covered with orchards or small clusters of trees. Of the agricultural land, 60.7% is used for growing crops and 9.2% is pastures, while 3.7% is used for orchards or vine crops. All the water in the municipality is flowing water. The municipality was the capital of the Orbe District until it was dissolved on 31 August 2006, and Orbe became part of the new district of Jura-Nord Vaudois. The municipality is located on a hill partly surrounded by the Orbe River. It consists of the village of Orbe and a number of hamlets, including Granges Saint-Germain, Granges Saint-Martin, Mont Choisi, and Le Puisoir. Coat of arms The blazon of the municipal coat of arms is Gules, two Sea-daces addorsed Or. Demographics Orbe has a population () of . , 28.6% of the population is resident foreign nationals. Over the years 1999–2009, the population has changed at a rate of 25.8%, 22.1% due to migration and 4.3% due to births and deaths. Most of the population () speaks French (4,229 or 82.3%), with Portuguese being second-most common (255 or 5.0%) and German being third (161 or 3.1%). There are 128 people who speak Italian and four people who speak Romansh. The age distribution, , in Orbe is 674 children (11.3%) up to 9 years old and 781 youth (13.1%) between 10 and 19. Of the adult population, 862 people (14.5%) are between 20 and 29 years old, 848 people (14.2%) are between 30 and 39, 920 people (15.4%) are between 40 and 49, and 754 people (12.7%) are between 50 and 59. The senior population distribution is 493 people (8.3%) between 60 and 69 years old, 378 people (6.3%) between 70 and 79, 216 people (3.6%) between 80 and 89, and 31 people (0.5%) 90 and older. , 2,103 people were single and never married in the municipality. There were 2,441 married individuals, 304 widows or widowers, and 291 individuals who are divorced. , 2,073 private households were in the municipality, and an average of 2.3 persons per household. The 687 households had only one person and 120 households had five or more people. Of a total of 2,108 households that answered this question,