Then usable tread depth is compared to remaining tread depth in order to calculate tread wear percentages. For example, a tire that started with 10/32 of original tread depth and has worn off 4/32 (down to 6/32 of remaining tread depth) is 50% worn.
1 If you know the census tract number: Use the IRS list of 2014 Qualified Census Tracts by county. 2  If you have a street address: Visit HUD's interactive QCT Map and enter the property address to view what Census Tract the property is located.
Being a very large and populous state, California has over 7000 census tracts. Our state is as diverse as they come. Use the search box above or the map to locate your tract area of interest. The map will show you where in California that tract is. After selecting a census tract, click the details button for more specifics. No tract selected yet. Click on Map to Select a Census Tract.