Bülach () is an historic town and a municipality in Switzerland in the canton of Zürich. It is the administrative capital of Bülach district. It is situated in the Glatt Valley (German: Glattal) to the east of the small river Glatt and about south of the High Rhine and about north of the Zurich Airport. The official language of Bülach is Swiss Standard German, but the main spoken language is the local variant of the Alemannic Swiss German dialect. History Bülach is first mentioned in 811 as Pulacha. From early times it fell within the province of the Alamanni. Joachim Werner's description of the early cemetery excavated there was published in 1953. Geography Bülach has an area of . Of this area, 33.2% is used for agricultural purposes, 39.5% is forested, 26.9% is settled (buildings or roads) and the remainder (0.4%) is non-productive (rivers, glaciers or mountains). The municipality is located around the lower Glatt Valley. The town of Bülach and the village of Niederflachs are in the valley. Around the town are the hamlets of Heimgarten am Rinsberg, Eschenmosen (since 1919, earlier part of Winkel) and Nussbaumen am Dettenberg. The municipality of Bachenbülach was part of Bülach until 1849 when it became an independent municipality. Bülach is located on the old road from Zürich through Kloten to Eglisau. Demographics Bülach has a population (as of ) of . , 22.6% of the population was made up of foreign nationals. Over the last 10 years the population has grown at a rate of 17.8%. Most of the population () speaks German (83.9%), with Italian being second most common ( 4.7%) and Serbo-Croatian being third ( 2.5%). In the 2007 election the most popular party was the SVP which received 38.3% of the vote. The next three most popular parties were the SPS (17%), the CSP (12.5%) and the FDP (11.2%). The age distribution of the population () is as follows: children and teenagers (0–19 years old) make up 23.1% of the population, while adults (20–64 years old) make up 64.8% and seniors (over 64 years old) make up 12.2%. In Bülach about 73.2% of the population (between age 25-64) have completed either non-mandatory upper secondary education or additional higher education (either university or a Fachhochschule). The historical population of Bülach is listed in the following table: Attractions The Reformed Church and the popular Sigristenkeller gallery stand on a small hill,