Colonia's housing is dominated by single-family homes, largely built in the mid-20th century, on established, tree-lined streets with modest to mid-sized lots. The stock includes a mix of Cape Cods, split-levels, and ranches, along with some newer construction and a smaller share of attached and multi-family housing near the commercial corridors. Because Colonia sits within the larger Woodbridge Township, it offers relatively accessible suburban housing by central New Jersey standards, particularly compared with towns closer to the Hudson. Buyers are typically families seeking space, a yard, and a manageable commute, with the township's schools and services as the draw.

Colonia offers a classic central New Jersey suburban lifestyle: quiet, tree-lined residential streets, neighborhood schools, and a community organized around families, youth sports, and local institutions. Daily life runs on a commuter rhythm, with many residents bound for Manhattan, Newark, or the office parks along the Routes 1 and 9 corridor, while evenings and weekends center on home, school, and recreation. The community's mix of long-time residents and newcomers gives it stability and a steady turnover of young families. It is a practical, unpretentious place where convenience and community outweigh boutique amenities.

Colonia is served by the Woodbridge Township School District, one of New Jersey's larger K-12 systems, which operates schools across the township's sections. Students attend neighborhood elementary and middle schools and progress to Colonia High School, which anchors the community's athletics and extracurricular life. The district offers a broad range of academic, arts, and career programs, and its size provides resources that smaller towns lack. As with all New Jersey districts, families confirm specific school assignment by address, but Colonia High School is the community's defining educational institution.

Colonia is exceptionally well connected for a suburban community. The Garden State Parkway and New Jersey Turnpike run nearby, and Routes 1 and 9 pass to the east, providing multiple routes toward New York City, roughly 30 miles north, and the rest of central New Jersey. NJ Transit and Amtrak rail service is available at Metropark station in adjacent Iselin, a major Northeast Corridor stop, with additional NJ Transit service at Rahway. Bus routes serve the township, and Newark Liberty International Airport is a short drive away. This density of options makes Colonia a practical base for commuters across the region.

Recreation in Colonia is built around the township's parks, athletic fields, and school facilities, with youth sports — baseball, soccer, football, and basketball — a central part of community life. The Woodbridge Township park system provides playgrounds, walking paths, and seasonal recreation programs for residents. Nearby, the parks and waterfront of the Raritan Bay and the larger green spaces of Middlesex and Union counties extend the outdoor options. For culture and entertainment, the community is a short drive or train ride from the venues of New Brunswick, Newark, and Manhattan.