Density and Population The concentration of people or other species in a given area is called the population density. When dealing with population density, we use area instead of volume because it is a better measure of living space. Find the population density of a city by dividing its population by its square mileage.

Part A
Use the Internet to find the population of Ohio. Then use this site to estimate the area of Ohio in square miles. What is your estimate? Use this area to estimate the population density of Ohio.

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Part B
Use the Internet to find the actual area of Ohio. Then find the actual population density of Ohio. How does this compare with your estimate? Why was your initial estimate greater or less than the actual population density?

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Part C
How do you think the population density of Cleveland, a major city in Ohio, compares with the population density of the state? Explain your answer.