Population census data is from the 1990 census. This site provides links to sources of regional socioeconomic data on the Web including Bureau of the Census population data, vital statistics, metropolitan area migration and other resources. This site, from the Washington State Employment Security Department offers a demographic profile of Washington state population, labor force, industries and personal income. See King County population projections by age . This site, from the Washington State Employment Security Department offers a demographic profile of King County's population, labor force, industries and personal income.
Similar profiles are available for other counties in the state of Washington here .
Good source for age group and personal income data. The Foster Business Library reference collection is located behind the Reference Desk in the center of the library's first floor. Spending and participation data on 60 outdoor recreational and sports activities. See the index on page 364 for rock climbing demographics as well as the chapter on rock climbing on pages 125 to 128. Trends in education, health, income, labor, living arrangements, population, spending, and wealth.