Hamilton's housing stock reflects its development over more than a century. The township contains historic homes near its older crossroads and village centers, particularly around Hamilton Square and Yardville, alongside extensive mid-century single-family subdivisions and a range of newer construction. The mix includes single-family houses on suburban lots, townhouses, and several larger apartment communities near the rail station and commercial corridors. Because the township spans roughly 40 square miles, lot sizes and architectural styles vary considerably from neighborhood to neighborhood, from older frame and brick homes on tree-lined streets to contemporary builds in later subdivisions. This variety, combined with the township's central location and established school district, gives buyers a broad range of housing types within a single municipality.

Hamilton is organized around several named communities rather than a single center. Hamilton Square and Mercerville are among the largest, functioning as major residential and commercial hubs; Hamilton Square traces its roots to the early nineteenth century and retains a distinctive historic core. Yardville and Groveville, in the southern and eastern portions of the township, have a more village-like, partly rural character, with Groveville lying near Crosswicks Creek and features such as Banner Farm. White Horse, in the southwest, is a dense, well-established neighborhood with its own commercial district along Route 206. Nottingham and smaller neighborhoods such as Briarwood, Edgebrook, and East Trenton Heights round out the township, giving residents a variety of settings from quiet residential streets to busier corridors.

Hamilton offers a suburban lifestyle anchored by strong civic institutions and an unusually rich cultural scene. Grounds for Sculpture, a 42-acre sculpture park and arboretum, is the township's signature attraction, blending contemporary sculpture with landscaped gardens and drawing visitors from across the region. Sayen House and Gardens, a historic estate with botanical gardens, provides a quieter setting for walks and seasonal events, while the Hamilton Township Public Library and the Sawmill YMCA serve as community gathering points. Dining and shopping are spread among the township's commercial corridors and village centers rather than concentrated in a single downtown. The result is a community where residents can find daily conveniences close to home while benefiting from proximity to the cultural and employment offerings of Trenton and Princeton.

Public education in Hamilton Township is provided by the Hamilton Township School District, a comprehensive pre-kindergarten through twelfth-grade district that is the ninth-largest in New Jersey. The district operates three high schools—Hamilton High School West, Nottingham High School, and Steinert High School—along with middle and elementary schools distributed across the township's neighborhoods. The district's location between Princeton and Trenton places it within reach of a region rich in educational resources, including Mercer County's community college system and several nearby colleges and universities. Private and parochial school options are also available in the area. Families often weigh the district's breadth and the township's established neighborhoods together when choosing where to settle within Mercer County.

Hamilton is exceptionally well connected for a suburban township. Hamilton station, an intermodal hub near the I-295/Sloan Avenue interchange, serves NJ Transit's Northeast Corridor Line, offering direct rail service to Trenton and New York and connecting in Trenton to SEPTA service toward Philadelphia. The township is crossed by Interstate 295 and Interstate 195, with the New Jersey Turnpike and U.S. Route 130, Route 33, and Route 206 nearby, providing highway access across the region. Trenton-Mercer Airport, a regional commercial airport in neighboring Ewing, is a short drive away, while Philadelphia International and Newark Liberty International airports are reachable within roughly an hour. This combination of rail, highway, and air access makes Hamilton a practical base for commuters working in Trenton, Philadelphia, or New York.

Hamilton's parks and open spaces give residents ample room to be outdoors. Grounds for Sculpture combines art and nature across 42 landscaped acres, while Sayen House and Gardens offers botanical gardens and walking paths around a historic estate. Veterans Park is one of the township's largest recreation areas, with sports fields, playgrounds, and community event space, and Kuser Farm Park preserves a historic farmstead with open grounds and seasonal programming. The Sawmill YMCA and local youth sports leagues provide organized recreation, and Groveville's proximity to Crosswicks Creek adds access to waterways and green space. These facilities, together with Mercer County parklands nearby, support a year-round outdoors and community-events calendar for residents.