RANKING · 2020 CENSUS · 500 SHOWN OF 6,811
Most densely populated, US cities · 2020
US cities ranked by residents per square mile (2023). Guttenberg, New Jersey leads at 62,264. 6,811 cities qualify in total. Cities with fewer than 5,000 residents are excluded. New Jersey carries 8 of the top 25 entries.
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RANKPLACESTATEPOPPOPULATION DENSITYVS 2000
UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES
Frequently asked
Which city has the highest population density?
Guttenberg, New Jersey ranks #1 with 62,264 (2020 American Community Survey).
What are the top 5 cities by population density?
Guttenberg, New Jersey, Union City, New Jersey, West New York, New Jersey, Hoboken, New Jersey, Kaser, New York.
How many cities are in this ranking?
6,811 cities qualify after filtering for population minimums and data availability (minimum 5,000 residents). The ranking covers 2020 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 (2020).