Over the last 10 years the population has grown at a rate of 1.5%. Most of the population () speaks German (98.5%), with Serbo-Croatian being second most common (0.5%) and Italian being third (0.3%). In the 2007 election the most popular party was the SVP which received 47.4% of the vote. The next three most popular parties were the SPS (16.6%), the Green Party (11.7%) and the FDP (9.8%). The age distribution of the population () is children and teenagers (0–19 years old) make up 26.3% of the population, while adults (20–64 years old) make up 64.4% and seniors (over 64 years old) make up 9.3%. The entire Swiss population is generally well educated. In Kyburg about 88.7% of the population (between age 25-64) have completed either non-mandatory upper secondary education or additional higher education (either university or a "Fachhochschule"). There are 150 households in Kyburg. Kyburg has an unemployment rate of 1.23%. , there were 25 people employed in the primary economic sector and about 11 businesses involved in this sector. 173 people are employed in the secondary sector and there are 3 businesses in this sector. 58 people are employed in the tertiary sector, with 12 businesses in this sector. 47.8% of the working population were employed full-time, and 52.2% were employed part-time. The historical population is given in the following table: Sennhof-Kyburg railway station is a stop of the Zürich S-Bahn service S26.