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 current population of the United States of America is 325,813,752 as of Thursday, February 1, 2018, based on the latest United Nations estimates. the United States population is equivalent to 4.3% of the total world population. the U.S.A. ranks number 3 in the list of countries (and dependencies) by population. The population density in the United States is 35 per Km 2 (92 people per mi 2). The total land area is 9,147,420 Km2 (3,531,837 sq. miles) 83.4 % of the population is urban (270,683,202 people in 2018) The median age in the United States is 37.8 years.