The choice hinges entirely on the atmosphere you prefer. Hoboken is a compact, highly walkable mile-square city with a uniform, small-town charm. Its energy is concentrated, with a lively bar scene and a younger professional crowd, all set against a backdrop of historic brownstones. Everything feels close and accessible, making it perfect if you want a neighborhood you can master on foot.
Jersey City is much more of a true city, a collection of diverse and distinct neighborhoods. You get the sleek, modern high-rises of Downtown and Newport, the vibrant, trendy restaurant hub around Grove Street, and the artsy, residential feel of The Heights. It offers far more variety in food, culture, and living spaces but is less walkable as a whole. Your decision rests on whether you want one cohesive, bustling town or a larger city with many different pockets to explore.