The lowest monthly average temperature in Santee for December is 56 degrees. The most monthly precipitation in Santee occurs in January with 0 inches. The air quality index in Santee is 22% worse than the national average. The pollution index in Santee is 96% better than the national average.
According to the US Census Bureau's population clock, the estimated 2015 United States population (July 2015) is over 321.3 million. This differs a bit from the 325.1 million estimated by the United Nations.
The Census Bureau projects a U.S. population of 417 million in 2060, which is a 38% increase from 2007 (301.3 million). However, the United Nations projects a U.S. population of 402 million in 2050, an increase of 32% from 2007. In an official census report, it was reported that 54.4% (2,150,926 out of 3,953,593) of births in 2010 were non-Hispanic white.