RANKING · 1990 CENSUS · 51 SHOWN OF 51
Most sparsely populated, US states · 1990
US states with the fewest residents per square mile (1990). Alaska leads at 1. 51 states qualify in total. The median across all 51 is 80.
Flip the list · Most densely populated, US states →All statesAll rankings
RANKPLACESTATEPOPPOPULATION DENSITYVS –
USUnited States248,709,873221–
SHOWING 1–51 OF 51
UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS
Frequently asked
Which state has the lowest population density?
Alaska ranks #1 with 1 (1990 Decennial Census).
What are the top 5 states by population density?
Alaska, Wyoming, Montana, South Dakota, North Dakota.
How many states are in this ranking?
51 states qualify after filtering for population minimums and data availability. The ranking covers 1990 Decennial Census data.
How is population density measured?
Residents per square mile of land area. Source: US Census Bureau, 1990 Decennial Census.