Case Shiller Median House Price vs Median Household Income
Case Shiller.Data courtesy of Standard & Poor's and census.gov
Case Shiller index does not provide median price informaiton. Therefore, to create the data in in this chart, MLS data was used to estimate median price values for the Seattle metropolitan area and compared to median household incomes estimated by the Washington State Office of Financial Mangement.
The Case-Shiller Index prices are measured monthly and tracks repeat sales of houses using a modified version of the weighted-repeat sales methodology proposed by Karl Case and Robert Shiller. This means that, to a large extent, it is able to adjust for the quality of the homes sold, unlike simple averages.
The monthly indices are normalized using a 3-month moving average. For example, the July 2007 index point is based on data for May, June and July of 2007. This is used to account for delays in sales-price data reporting and to get a larger sample size.
All metropolitan areas are adjusted to January 1, 2000 equals 100.
After clicking "Submit," be sure to mouse over the data points in the chart in order to see the detail. The black lines at the bottom of the chart are dates (too small to be legible).