On December 20, 2012 the US Census Bureau released its state population estimate for 2012. On December 22, 2012 usgovernmentspending.com updated its US and state population data as follows:
- We updated 2012 and 2012 population data for US and states using data from US Census Bureau Population Estimates: vintage 2012 in file NST-EST2012-01.xls.
- We projected 2013 thru 2018 for US and states assuming population rate change for 2011-12.
- We updated 2001 thru 2010 US and population data using data from US Census Bureau intercensal estimates in ST-EST00INT-01.xls.
You can check the data update schedule here.