In 50 years, Jefferson County's population has more than doubled. With more residents moving in, previously undeveloped land is being converted for residential, commercial and industrial use.
A single blue line stretches across year tick marks along the x-axis ranging from 1970 to 2020. It shows a steady increase over the fifty-year period, growing from the lowest figure on the y-axis, near 20,000 people, to the highest figure, near 60,000 people. The line is labeled "county population," indicating significant growth over the half century.