Aarau District

In 2009, the Aargau District had a total area of 104.48 square kilometers (40.34 sq mi). Of that area, 32.06 km² (12.38 sq mi), or about 30.7%, was cultivated land, 50.38 km² (19.45 sq mi), or about 48.2%, was forested and 21.02 km² (8.12 sq mi), or about 20.1%, has some type of construction on it.

In December 2018, Aarau District had a population of 80,309.

In 2000, there were 3,277 homes with 1 or 2 persons in the household, 14,181 homes with 3 or 4 persons in the household, and 9,295 homes with 5 or more persons in the household. The average number of people per household was 2.24 individuals. In 2008, there were 10,614 single family homes (or 32.3% of the total) out of a total of 32,851 homes and apartments.

Of the school age population (in the 2008/2009 school year), there were 4,891 students attending primary school, 1,755 students attending secondary school, 1,175 students attending tertiary or university level schooling and 35 students who are seeking a job after school in the municipality.

In 2000, there were 32,987 residents who worked in the district, while 23,730 residents worked outside the Aarau District and 29,444 people commuted into the district for work.

From the 2000 census, 17,246 or 27.3% were Roman Catholic, while 31,124 or 49.3% belonged to the Swiss Reformed Church. Of the rest of the population, there are 179 individuals (or about 0.28% of the population) who belong to the Christian Catholic faith.

^a In 2010, Rohr merged into Aarau, Aarau area includes Rohr

Mergers

The following changes to the district's municipalities have occurred since 2000:

• 2010: Rohr merged into Aarau