Sparta's housing is defined by its lakes and wooded terrain. Lake Mohawk anchors the market, with lakefront homes, cottages, and chalets built in the community's signature Tudor-influenced style, many dating to the 1920s and 1930s. Around the lake and across the township, the stock broadens into traditional single-family homes on wooded lots, raised ranches, colonials, and newer construction in established subdivisions. Larger properties and equestrian-friendly parcels appear toward the township's rural edges. The overall character is low-density and suburban-rural, with mature trees and generous lot sizes. Buyers are typically drawn by lake access, privacy, and the township's scenic setting rather than dense development.

Sparta's neighborhoods are woven around Lake Mohawk and the township's rolling terrain. The Lake Mohawk community, developed in the 1920s, remains the heart of the township, with its Tudor-style cottages, lakefront homes, and the historic White Deer Plaza and Boardwalk District forming a walkable lake village. Beyond the lake, residential areas spread through wooded subdivisions and along rural roads, including established neighborhoods of colonials and ranches on larger lots. The Sparta Glen area and the township's western reaches offer a more secluded, country character, with homes set among hills and forests. The result is a patchwork of lakefront, suburban, and semi-rural settings within a single township.

Sparta offers a lakeside, outdoors-oriented lifestyle in New Jersey's Skylands. Lake Mohawk is central to daily life, with its boardwalk, beaches, boating, and community events drawing residents through the warmer months, and the lake's private clubs and marinas anchoring recreation. Sparta Glen provides trails along streams and through wooded glens, while the Paulinskill Valley Rail Trail and nearby Lake Hopatcong extend the outdoor options. The township retains a small-town feel, with a village-style commercial core at White Deer Plaza, while still offering easy access to the shopping and dining of the broader Sussex and Morris county areas. Sparta suits families and professionals who want a scenic, lake-centered community within commuting distance of northern New Jersey.

Sparta is served by the Sparta Township Public School District, a comprehensive district that educates students from pre-kindergarten through twelfth grade across five schools. The district is a central draw for families relocating to the township, with neighborhood elementary schools, a middle school, and Sparta High School. The district's size allows for personal attention while supporting a range of academic, athletic, and extracurricular programs. Families also have access to private and parochial school options in Sussex and Morris counties, and the township's location provides proximity to colleges and universities across northern New Jersey and the New York metro area.

Sparta sits in northeastern Sussex County, about forty-five miles northwest of New York City. Commuters typically travel via Route 15 and nearby interstates toward employment centers in Morris County and the northern New Jersey suburbs, with the George Washington Bridge and New York City reachable in roughly an hour to an hour and a half depending on traffic. Public transit options include NJ Transit bus service and rail connections at stations in nearby towns, though most residents rely on personal vehicles. The township's location balances a rural, lakeside setting with access to the region's major road network and the broader New York metro economy.

Sparta's recreation is anchored by Lake Mohawk, where residents enjoy swimming, boating, paddleboarding, and lakefront parks and beaches, along with the boardwalk and community events at White Deer Plaza. Sparta Glen offers wooded trails along streams and through scenic glens, a favorite for hiking and nature walks. The Paulinskill Valley Rail Trail provides a multi-use path for walking and cycling through the countryside, while nearby Lake Hopatcong, New Jersey's largest lake, adds boating and waterfront recreation. The Kittatinny Mountains, High Point State Park, and the Delaware Water Gap National Recreation Area are within easy reach for hiking, skiing, and outdoor adventure.