Of the rest of the land, 18.8% is settled (buildings or roads) and the remainder (1.2%) is non-productive (rivers or lakes).
Of the foreign population, (as of 2000[update]), 148 are from Germany, 113 are from Italy, 284 are from ex-Yugoslavia, 57 are from Austria, 90 are from Turkey, and 170 are from another country.
[8] The age distribution, as of 2000[update], in Gaiserwald is; 881 children or 11.8% of the population are between 0 and 9 years old and 1,167 teenagers or 15.6% are between 10 and 19.
[8] In the 2007 federal election the most popular party was the SVP which received 31.6% of the vote.
[4] Out of the total population in Gaiserwald, as of 2000[update], the highest education level completed by 1,299 people (17.3% of the population) was Primary, while 3,025 (40.4%) have completed Secondary, 1,085 (14.5%) have attended a Tertiary school, and 274 (3.7%) are not in school.
[8] The historical population is given in the following table:[3] The Catholic parish church of St. Josef is listed as a Swiss heritage site of national significance.
[9] The church of St. Josef was built in 1904–05 in a gothic revival style by August Hardegger.
[13] From the 2000 census[update], 3,772 or 50.3% are Roman Catholic, while 2,473 or 33.0% belonged to the Swiss Reformed Church.