In the 19th century, Colombier was a regional center, with a gas plant and a bank. The first train station was built in 1859–60. In 1892 it became part of the tram line Neuchâtel-Boudry and in 1927 an airfield was built in the municipality. The regional secondary school was built in the 1969 and teaches students from Colombier, Cortaillod, Boudry, Bôle, Rochefort and Auvernier. It is now a residential community, with few industries. Many of the jobs in town support the barracks.