Population density in the U.S., by state 2018

Population density in the U.S. by federal states including the District of Columbia in 2018

by Erin Duffin, last edited Aug 9, 2019
Population density in the U.S., by state 2018 In 2018, Washington, D.C. had the highest population density in the United States, with 11,516 people per square mile. As a whole, there were 93 residents per square mile in the U.S., and Alaska was the state with the lowest population density, with one resident per square mile.
The problem of population density

Put quite simply, population density is the population of a country divided by the area of the country. While this can be an interesting measure of how many people live in a country and how large the country is, it does not account for the degree of urbanization, or the share of people who live in urban centers.

For example, Russia is the largest country in the world and has a comparatively low population, so its population density is very low. However, much of the country is uninhabited, so cities in Russia are much more densely populated than the rest of the country.

Urbanization in the United States

While the United States is not very densely populated compared to other countries, its population density has increased significantly over the past few decades. The degree of urbanization has also increased, and well over half of the population lives in urban centers.
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Population density in the U.S. by federal states including the District of Columbia in 2018

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