Lambertville is an unincorporated community and census-designated place in Monroe County, Michigan. The community is a part of Bedford Township in the southern portion of the county. The community is located west of Temperance and seven miles northwest of Toledo, Ohio. The community of Lambertville is also located within the Toledo Metropolitan Area. The population was 9,299 during the 2000 census. According to the United States Census Bureau, the community has a total area of 6.1 square miles. The community uses ZIP code 48144—assigned to Lambertville—and has the FIPS code 26-45420.