Tierp is a municipality in east central Sweden, in the county of Uppsala. The municipality covers an area of 1543.0 km². Of the total population of 19888, 9980 are male, and 9908 are female. The population density of the community is 13 inhabitants per km².
... 8.7% from 18 to 24, 29.5% from 25 to 44, 21.0% from 45 to 64, and 13.5% who are 65 years of age or older. The median age is 35 years. For every 100 females there are ...