4 and the non-Swiss population change was an increase of 25 people. This represents a population growth rate of 0.7%. The age distribution, , in Muralto is; 177 children or 6.3% of the population are between 0 and 9 years old and 185 teenagers or 6.6% are between 10 and 19. Of the adult population, 289 people or 10.3% of the population are between 20 and 29 years old. 332 people or 11.9% are between 30 and 39, 395 people or 14.1% are between 40 and 49, and 375 people or 13.4% are between 50 and 59. The senior population distribution is 406 people or 14.5% of the population are between 60 and 69 years old, 312 people or 11.1% are between 70 and 79, there are 328 people or 11.7% who are over 80. , there were 1,448 private households in the municipality, and an average of 1.8 persons per household. there were 92 single family homes (or 22.9% of the total) out of a total of 402 inhabited buildings. There were 49 two family buildings (12.2%) and 167 multi-family buildings (41.5%). There were also 94 buildings in the municipality that were multipurpose buildings (used for both housing and commercial or another purpose). The vacancy rate for the municipality, , was 0.37%. there were 2,106 apartments in the municipality. The most common apartment size was the 3 room apartment of which there were 659. There were 247 single room apartments and 221 apartments with five or more rooms. Of these apartments, a total of 1,435 apartments (68.1% of the total) were permanently occupied, while 612 apartments (29.1%) were seasonally occupied and 59 apartments (2.8%) were empty. , the construction rate of new housing units was 4.3 new units per 1000 residents. The historical population is given in the following table: Heritage sites of national significance The Collegiata Di S. Vittore, the Grand Hotel and the Vicus at via della Collegiata/via del Municipio are listed as Swiss heritage site of national significance. Transportation The Locarno railway station is located within the Muralto municipality. Politics In the 2007 federal election the most popular party was the CVP which received 30.17% of the vote. The next three most popular parties were the FDP (26.92%), the SP (14.75%) and the SVP (11.98%). In the federal election, a total of 834 votes were cast, and the voter turnout was 45.0%. In the Gran Consiglio