| Grass Lake Charter Township, Michigan | |
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| Charter township | |
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Grass Lake Township Offices
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| Location within the state of Michigan | |
| Coordinates: 42°15′17″N 84°12′2″W / 42.25472°N 84.20056°WCoordinates: 42°15′17″N 84°12′2″W / 42.25472°N 84.20056°W | |
| Country | United States |
| State | Michigan |
| County | Jackson |
| Area | |
| • Total | 48.5 sq mi (125.6 km2) |
| • Land | 47.2 sq mi (122.2 km2) |
| • Water | 1.3 sq mi (3.4 km2) |
| Elevation | 1,020 ft (311 m) |
| Population (2000) | |
| • Total | 4,586 |
| • Density | 97.2/sq mi (37.5/km2) |
| Time zone | Eastern (EST) (UTC-5) |
| • Summer (DST) | EDT (UTC-4) |
| ZIP code | 49240 |
| Area code(s) | 517 |
| FIPS code | 26-34500 |
| GNIS feature ID | 1626388 |
Grass Lake Charter Township is a charter township of Jackson County in the U.S. state of Michigan. The population was 4,586 at the 2000 census.
According to the United States Census Bureau, the township has a total area of 48.5 square miles (126 km2), of which 47.2 square miles (122 km2) is land and 1.3 square miles (3.4 km2) (2.68%) is water.
As of the census of 2000, there were 4,586 people, 1,653 households, and 1,292 families residing in the township. The population density was 97.2 per square mile (37.5/km²). There were 1,804 housing units at an average density of 38.2 per square mile (14.8/km²). The racial makeup of the township was 98.10% White, 0.50% African American, 0.31% Native American, 0.09% Asian, 0.04% Pacific Islander, 0.17% from other races, and 0.78% from two or more races. Hispanic or Latino of any race were 1.07% of the population.
There were 1,653 households out of which 36.1% had children under the age of 18 living with them, 66.2% were married couples living together, 7.4% had a female householder with no husband present, and 21.8% were non-families. 17.0% of all households were made up of individuals and 5.5% had someone living alone who was 65 years of age or older. The average household size was 2.69 and the average family size was 3.00.