The line graph illustrates the population change in three different counties in the U.S. state of Oregon over a period of sixty years from 1940 to 2000.
One of the most noticeable features is the population change in three different counties: Columbia, Yamhill, and Washington in the U.S. state of Oregon. Additionally, in every year shown in the line graph, Columbia had the highest level, followed by Yamhill and then Washington.
The population change in three different counties in the U.S. state of Oregon is shown. In 1940, the population change in Columbia had the highest level compared to the other two counties. Population in thousands in the state of Oregon by county is shown. In 1970, Columbia’s population steadily increased, and the other two counties, Yamhill and Washington, rapidly increased in the U.S. In Washington, the population change was less in the U.S. state of Oregon.
In summary, the population change in all three counties is shown for every year in the U.S. Columbia had the highest level of change, but Washington’s population had the lowest level of change in the U.S. state of Oregon.