The graph below shows the population change between 1940 and 2000 in three different counties in the U.S. state of Oregon.

The line graph compares the population sizes of three states in the Washington-Oregon region over a 30-year period, from 1970 to 2000. Overall, all three states experienced consistent population growth throughout the period, although Washington remained the most populous by a significant margin. Columbia and Yamhill followed similar upward trends, but with notably smaller figures. […]

The line graph compares how many people lived in three different regions in the U.S state of Oregon from 1940 to 2000. In general, there is an increase in the population of all three counties, but the most significant change is seen in Washington. In addition, Yamhill and Columbia followed nearly similar patterns throughout the […]