Hillsdale's housing stock is predominantly single-family and owner-occupied, reflecting its evolution as a mature Bergen County commuter suburb. Homes range from older, character-filled houses near the railroad corridor and Broadway commercial spine to mid-century colonials and split-levels on leafy residential streets, with some newer construction and infill. The borough's small size and established lot patterns give it a settled, cohesive feel, and limited turnover keeps demand steady among families seeking the school system and rail access. For buyers, Hillsdale offers the classic North Jersey package of a walkable town with a historic train station.

Hillsdale is a compact borough whose residential streets are organized around its railroad and commercial corridors rather than large, distinct subdivisions. The area near Broadway and the Hillsdale station is the historic heart, where the railroad first anchored development, while surrounding blocks fan out into quiet single-family streets. Proximity to Wood Dale County Park and the Pascack Brook shapes the character of several residential areas. Because the borough is small, most homes are within walking or short driving distance of schools, parks, and the train, contributing to a walkable, community-centered layout.

Hillsdale offers the convenience-driven suburban lifestyle characteristic of Bergen County's Pascack Valley towns. Broadway and its side streets host local restaurants, markets, and shops, while larger retail options are a short drive away in Paramus and neighboring communities. The borough's recreation programs, school athletics, and community events anchor family life, and the nearby county parks provide easy access to fields, trails, and fishing. For dining and entertainment, residents can stay local or reach the broader array of options across Bergen County and Manhattan by train or car.

Hillsdale operates its own K-8 school system with two elementary schools and one middle school. High school students attend Pascack Valley High School, located in Hillsdale and part of the two-school Pascack Valley Regional High School District, which is widely regarded for its academics and ranks among New Jersey's stronger high schools. The presence of a well-regarded regional high school within the borough is a significant draw for families, and the district's reputation reinforces Hillsdale's appeal as a school-focused community.

Hillsdale is served by NJ Transit's Pascack Valley Line, with the Hillsdale station located at Broadway and Hillsdale Avenue and offering commuter rail service toward Hoboken, with connections into Manhattan. The line's roots run deep—the station's 1870 head house stands as a reminder of the borough's railroad origins. By car, residents reach the Garden State Parkway and Route 17 within a short drive, connecting to the broader Bergen County and New York metropolitan road network. The rail link is central to Hillsdale's identity as a commuter suburb.

Recreation in Hillsdale centers on its parks and the Pascack Valley's open spaces. Wood Dale County Park, within the borough, offers athletic fields, a dog park, and fishing, while nearby Pascack Brook County Park and the Saddle River County Park system extend the options for walking, biking, and nature. The borough's recreation department runs programs, leagues, and events for residents of all ages, and local ballfields and the Pascack Brook corridor add to the everyday outdoor experience.