The link above has 2010 Executive Summary Reports for Oakland County, Brandon Twp, and Groveland Twp.
The link above shows the spending habits of people within 20 miles of downtown Ortonville for 2010. The Spending Potential Index indicates a comparison of this area in relation to national average spending. A number less than 100 means this area generally spends less on average than the rest of the country. Conversely, higher than 100 indicates higher spending than average.