Decatur Township, located in the southwestern corner of Indianapolis, offers a blend of suburban living and access to natural spaces. The area has experienced significant growth, with its population increasing by nearly 50% between 2000 and 2020, making it one of the fastest-growing townships in Marion County. This expansion includes residential developments and commercial hubs like the AmeriPlex Industrial Park, which spans 1,500 acres and offers a mix of warehousing, manufacturing, and office spaces.

Residents have access to several parks that cater to a variety of recreational interests. Southwestway Park is one of the city's largest parks, featuring over 200 acres of wooded areas, trails, and sports facilities, including baseball diamonds and soccer fields. Carson Park offers nearly 25 acres with amenities such as softball fields, a splash pad, and walking trails. For those interested in natural preservation, Griffin Woods provides a 10-acre undeveloped area aimed at conserving local flora and fauna.

Decatur Township is also home to historical landmarks like the Nicholson–Rand House, a Gothic Revival-style home built in the mid-19th century and listed on the National Register of Historic Places. The township's location provides convenient access to major transportation routes, including the Ronald Reagan Parkway and proximity to the Indianapolis International Airport, facilitating both local and regional connectivity.