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

The above Diagram depicts the general shift in population numbers in a select few

counties

starting from the year 1940 to 2000., situated in the state of Oregon.

Overall

, it can be seen the

counties

are termed with their respective names; Columbia in green, Yamhill in blue and Washington in yellow along the X-axis of the concerned graph. Another feature mentioned close to them is the years on a similar axis horizontally,

while

the total community figures are listed on a more vertically Y axis.

Firstly

, it is noticeable that the Yamhill and Columbia

counties

experienced an increase in community between the 1940s and 1970s

while

this

picks up a significant increase

after

this

timeline up until 2000's,

Furthermore

,

also

figures for Yamhill county remain slightly higher than Columbia over the aforementioned period.

Secondly

,

In Contrast

, Washington County faced a similar trend to other regions, albeit with a much more increased difference in people quantities which is more in number. Conclusively, it is apparent that the wider pace and number of the total populace has a somewhat similar pattern amongst the three

counties

with divergent variance shown in one of them.