Richmond is a city on the border between Macomb and St. Clair counties in the U.S. state of Michigan. The population was 4,897 at the 2000 census. The 2008 Census Bureau Estimate places the population at 5,606. Most of the city is located in Macomb County, though there is a small portion in St. Clair County. The city is adjacent to Richmond Township and Lenox Township in Macomb County, although it is administratively autonomous. It is also adjacent to St. Clair County's Columbus Township and Casco Township.
According to the United States Census Bureau, the city has a total area of 3.0 square miles (7.6 km²), of which, 2.9 square miles (7.5 km²) of it is land and 0.1 square miles (0.2 km²) of it (2.03%) is water.
As of the census of 2000, there were 4,897 people, 1,977 households, and 1,332 families residing in the city. The population density was 1,691.6 per square mile (654.2/km²). There were 2,062 housing units at an average density of 712.3 per square mile (275.5/km²). The racial makeup of the city was 95.43% White, 0.25% African American, 0.31% Native American, 0.82% Asian, 0.18% Pacific Islander, 1.86% from other races, and 1.16% from two or more races. Hispanic or Latino of any race were 4.74% of the population.