Most densely populated, US cities
US cities ranked by residents per square mile (2025). Guttenberg, New Jersey leads at 61,710. 4,891 cities qualify in total. Cities with fewer than 5,000 residents are excluded. New Jersey carries 11 of the top 25 entries. The median across all 4,891 is 1,932. Biggest climber in the top 100 since 2020: New Brunswick, NJ, up 60 places to #93.
Flip the list · Most sparsely populated, US cities →UPDATED 2026-09-11 · DATA: US CENSUS BUREAU POPULATION ESTIMATES
Frequently asked
Which city has the highest population density?
Guttenberg, New Jersey ranks #1 with 61,710 (2025 Census Population Estimates).
What are the top 5 cities by population density?
Guttenberg, New Jersey, West New York, New Jersey, Union City, New Jersey, Hoboken, New Jersey, Kaser, New York.
How many cities are in this ranking?
4,891 cities qualify after filtering for population minimums and data availability (minimum 5,000 residents). The ranking covers 2025 Census population estimates.
How is population density measured?
Residents per square mile of land area. Source: US Census Bureau, Population Estimates Program (2025).