Population per Square Mile by County
People divided by land area. Water is excluded, so lake and coastal counties are not unfairly diluted.
See Population per Square Mile on the interactive map →
Highest counties
| County | Population per Square Mile |
|---|---|
| New York County, New York | 71,909.8 |
| Kings County, New York | 37,929.9 |
| Bronx County, New York | 33,304.4 |
| Queens County, New York | 21,367.3 |
| San Francisco County, California | 17,785.7 |
| Hudson County, New Jersey | 15,551.5 |
| Suffolk County, Massachusetts | 13,476.2 |
| Philadelphia County, Pennsylvania | 11,759.9 |
| District of Columbia, District of Columbia | 11,145.0 |
| Alexandria city, Virginia | 10,507.1 |
| Arlington County, Virginia | 9,086.7 |
| Richmond County, New York | 8,604.9 |
Lowest counties
| County | Population per Square Mile |
|---|---|
| Loving County, Texas | 0.0 |
| Yukon-Koyukuk Census Area, Alaska | 0.0 |
| Lake and Peninsula Borough, Alaska | 0.0 |
| Kenedy County, Texas | 0.1 |
| Yakutat City and Borough, Alaska | 0.1 |
| North Slope Borough, Alaska | 0.1 |
| Copper River Census Area, Alaska | 0.1 |
| King County, Texas | 0.2 |
| Garfield County, Montana | 0.2 |
| Northwest Arctic Borough, Alaska | 0.2 |
| Denali Borough, Alaska | 0.2 |
| Harding County, New Mexico | 0.3 |