First of all, it is important to know that the Earth's crust is broken up into large pieces called tectonic plates. Remember, tectonic plates are giant pieces of the Earth's crust that fit together and move around on the Earth's surface.
In 2014, Walla Walla Countyâs population was 59,844, showing 1.8 percent growth from 2010 to 2014, compared to the stateâs growth rate of 5.0 percent. The largest city in Walla Walla County is city of Walla Walla with a population of 32,260 in 2014.
Last official estimated population of Washington was 7,170,351 (year 2015)[1]. This was 2.2% of total US population. Area of Washington is 71,298.0 miÂ² (=184661 kmÂ²), in this year population density was 100.57 p/miÂ². If population growth rate would be same as in period 2010-2015 (+1.29%/yr), Washington population in 2017 would be 7,356,844*.