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.
Yakima is the largest city in Yakima County with a population of about 92,000. That makes it the 9th largest city in Washington State. Most of the people who founded Yakima were of European decent, although significant numbers of African-Americans and Asian-Americans homesteaded here as well.