Wayne County, Michigan
Healthy Home Assessments in Gibraltar
Gibraltar is a small Downriver suburb southwest of Detroit laced with more than five miles of canals, wetlands, and streams that thread between residential streets and empty into the lower Detroit River. One visit covers the whole indoor environment.
What Gibraltar is built of
Small Downriver city of canal-laced islands where the Detroit River meets Lake Erie, with a weekly farmers market and waterfront living throughout. On the record: Known as the 'Venice of Michigan' for its network of more than five miles of residential canals. Roughly 4,531 residents live across about 1,813 households. As of the 2020 census the city had 4,997 residents.
Homes and households
Owner-occupancy sits at 79.7%, and 69.3% of all units are detached single-family homes, per 2023 five-year Census figures. Some 23.4% of adults hold a bachelor's degree or higher. Building is recorded here from 1837. An older envelope handles air and moisture differently. A local landmark: Humbug Marsh, designated Michigan's first Wetland of International Importance under the Ramsar Convention in 2010 and part of the Detroit River International Wildlife Refuge.
Near Detroit River the humidity picture shifts, which puts basement moisture, condensation and drainage first.
Landmarks and public space in Gibraltar:
- Gibraltar canal system. More than five miles of canals, wetlands, and streams weaving through residential islands, navigable by kayak, canoe, or paddleboard.
- Humbug Marsh Unit, Detroit River International Wildlife Refuge. 405-acre biodiversity hotspot straddling the Gibraltar-Trenton line, with three miles of wooded trails, a fishing pier, and marsh paddling.
- Gibraltar's canal islands. Residential islands created by the canal network, including Main, Edmond, Hall, and Horse islands.
- Gibraltar Community Park. City park with a playground, ball diamond, picnic pavilion, and skate park.
- Detroit River paddling routes. Paddle route running downstream through the Humbug Marsh Unit into Gibraltar's canals.
Where the addresses are
Inside Gibraltar sits one named district, Main Island. Main Island: Largest and most populated island within the city. The 48173 and 48183 ZIP codes cover these addresses. The city's name traces to English settlers likening a local feature to the Rock of Gibraltar, 'the greatest rock of all.'.