Switzerland, and 616 or 15.8% were born outside of Switzerland. , children and teenagers (0–19 years old) make up 27.9% of the population, while adults (20–64 years old) make up 60.8% and seniors (over 64 years old) make up 11.3%. , there were 1,716 people who were single and never married in the municipality. There were 1,866 married individuals, 182 widows or widowers and 128 individuals who are divorced. , there were 1,499 private households in the municipality, and an average of 2.5 persons per household. There were 425 households that consist of only one person and 129 households with five or more people. , a total of 1,440 apartments (89.7% of the total) were permanently occupied, while 93 apartments (5.8%) were seasonally occupied and 73 apartments (4.5%) were empty. , the construction rate of new housing units was 4 new units per 1000 residents. The vacancy rate for the municipality, , was 0.79%. The historical population is given in the following chart: Heritage sites of national significance The Stellwerk (signal house at the train station) is listed as a Swiss heritage site of national significance. The entire urbanized village of Kerzers is part of the Inventory of Swiss Heritage Sites. Politics In the 2011 federal election the most popular party was the SVP which received 26.0% of the vote. The next three most popular parties were the SPS (19.5%), the FDP (14.4%) and the CVP (12.9%). The SVP received about the same percentage of the vote as they did in the 2007 Federal election (29.3% in 2007 vs 26.0% in 2011). The SPS moved from third in 2007 (with 16.4%) to second in 2011, the FDP moved from second in 2007 (with 18.5%) to third and the CVP retained about the same popularity (15.4% in 2007). A total of 1,328 votes were cast in this election, of which 16 or 1.2% were invalid. Economy , Kerzers had an unemployment rate of 2.1%. , there were 183 people employed in the primary economic sector and about 44 businesses involved in this sector. 358 people were employed in the secondary sector and there were 53 businesses in this sector. 1,384 people were employed in the tertiary sector, with 163 businesses in this sector. There were 2,105 residents of the municipality who were employed in some capacity, of which females made up 43.8% of the workforce. the total number of full-time equivalent