Ontwa Township, Michigan facts for kids
Quick facts for kids
Ontwa Township, Michigan
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Location within Cass County (red) and the administered village of Edwardsburg (pink)
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 Ontwa Township, Michigan
Location in Michigan
Ontwa Township, Michigan
Location in the United States
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| Country | United States |
| State | Michigan |
| County | Cass |
| Area | |
| • Total | 21.0 sq mi (54.4 km2) |
| • Land | 19.4 sq mi (50.3 km2) |
| • Water | 1.6 sq mi (4.1 km2) |
| Elevation | 797 ft (243 m) |
| Population
(2020)
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| • Total | 6,904 |
| • Density | 328.7/sq mi (126.91/km2) |
| Time zone | UTC-5 (Eastern (EST)) |
| • Summer (DST) | UTC-4 (EDT) |
| ZIP code(s) |
49112, 49113
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| Area code(s) | 269 |
| FIPS code | 26-60900 |
| GNIS feature ID | 1626852 |
Ontwa Township is a community located in Cass County, Michigan, in the United States. It is a type of local government area called a civil township. In 2020, about 6,904 people lived there.
Where is Ontwa Township?
Ontwa Township is on the southern edge of Cass County. This border is also the state line between Michigan and Indiana.
Nearby Communities
- The village of Edwardsburg is in the northwest part of the township.
- The community of Granger, Indiana is just southwest of the township, across the state line.
- Adamsville is another community found near the eastern side of the township.
Lakes and Rivers
The township covers about 54.4 square kilometers (21 square miles). Most of this is land, but about 4.1 square kilometers (1.6 square miles) is water. There are several lakes here. The biggest ones are Eagle Lake and Christiana Lake, located in the northeast. Christiana Creek flows through the area and eventually joins the St. Joseph River.
Who Lives in Ontwa Township?
The number of people living in Ontwa Township has grown over the years.
| Historical population | |||
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| Census | Pop. | %± | |
| 2000 | 5,865 | — | |
| 2010 | 6,549 | 11.7% | |
| 2020 | 6,904 | 5.4% | |
In 2000, there were 5,865 people living in the township. About 2,392 households were counted. Many families lived together, with about 56% being married couples.
The people living in Ontwa Township come from different age groups. In 2000, about 25% of the population was under 18 years old. The median age was 39 years, meaning half the people were younger than 39 and half were older.
