United States 2020 Census Population Density By State

The United States population density from the 2020 Census was 93.81 per square mile, based on data from the US Census Bureau. This number is the population density per square mile for the 50 states and DC.

District of Columbia had the highest population density (11,280.68 people per square mile), followed by New Jersey (1,262.99 people per square mile), and Rhode Island (1,061.41 people per square mile). On the other hand, the 3 states with the lowest population density were: Alaska (1.28 people per square mile), Wyoming (5.94 people per square mile), and Montana (7.45 people per square mile).

Hover over or click on the states in the map below to see the population density for each state. The data can also be found in a table below. You can use the table to sort, filter, and explore the data further.

You can see, see links at the bottom of the page for the county-level population density each state.