RANKING · 1990 CENSUS · 500 SHOWN OF 918
Most densely populated, US metro areas · 1990
US metro areas ranked by residents per square mile (2023). New York-Newark-Jersey City, NY-NJ leads at 2,739. 918 metro areas qualify in total. California carries 5 of the top 25 entries.
Flip the list · Most sparsely populated, US metro areas →All statesAll rankings
RANKPLACESTATEPOPPOPULATION DENSITYVS 2000
UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES
Frequently asked
Which metro area has the highest population density?
New York-Newark-Jersey City, NY-NJ ranks #1 with 2,739 (1990 American Community Survey).
What are the top 5 metro areas by population density?
New York-Newark-Jersey City, NY-NJ, Los Angeles-Long Beach-Anaheim, CA, San Francisco-Oakland-Fremont, CA, Trenton-Princeton, NJ, Honolulu, HI.
How many metro areas are in this ranking?
918 metro areas qualify after filtering for population minimums and data availability. The ranking covers 1990 ACS 5-year data.
How is population density measured?
Residents per square mile of land area. Source: US Census Bureau, American Community Survey 5-year estimates (1990).