36. Union City, New Jersey
Union City in New Jersey spans over just 1.28 square miles total, yet has a population of about 68,500 people. This means that it is one of the most densely populated cities in the United States, and on top of that, about 23% of its residents are living in poverty. The average commute time of the city is about 33 minutes.
35. El Monte, California
El Monte was once a lively town, boasting success from its auto dealerships. However, as time went on, the dealerships began to decline and three of the largest ones ended up closing up for good. This led the city to financial decline, driving 22% of its population into poverty.