| Official Name: | Cambridge Township, Michigan |
| Settlement Type: | Civil township |
| Pushpin Map: | Michigan#USA |
| Pushpin Label Position: | top |
| Pushpin Label: | Cambridge Township |
| Pushpin Map Caption: | Location within the state of Michigan |
| Mapsize: | 250 |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Michigan |
| Subdivision Type2: | County |
| Subdivision Name2: | Lenawee |
| Leader Title: | Supervisor |
| Leader Name: | Bill Gentner |
| Leader Title1: | Clerk |
| Leader Name1: | Annette Roesch |
| Leader Title2: | Treasurer |
| Leader Name2: | Shawna Rohrbach |
| Established Title: | Established |
| Established Date: | 1835 |
| Unit Pref: | Imperial |
| Area Total Km2: | 91.9 |
| Area Land Km2: | 82.9 |
| Area Water Km2: | 9.0 |
| Area Total Sq Mi: | 35.5 |
| Area Land Sq Mi: | 32.0 |
| Area Water Sq Mi: | 3.5 |
| Population As Of: | 2020 |
| Population Total: | 5722 |
| Population Density Km2: | auto |
| Population Density Sq Mi: | auto |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation M: | 296 |
| Elevation Ft: | 971 |
| Coordinates: | 42.0442°N -84.1828°W |
| Postal Code Type: | ZIP code(s) |
| Postal Code: | 49230 (Brooklyn) 49253 (Manitou Beach) 49265 (Onsted) |
| Area Code: | 517 |
| Blank Name: | FIPS code |
| Blank Info: | 26-12720[1] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1626026 |
Cambridge Township is a civil township of Lenawee County in the U.S. state of Michigan. The population was 5,722 at the 2020 census.[2]
According to the United States Census Bureau, the township has a total area of 35.5sqmi, of which 32sqmi is land and 3.5sqmi is water, a total of 9.80%.
As of the census of 2000, there were 5,299 people, 1,996 households, and 1,566 families in the township. The population density was 165.5sp=usNaNsp=us. There were 2,686 housing units at an average density of 83.9sp=usNaNsp=us. The racial makeup of the township was 97.30% White, 0.15% African American, 0.36% Native American, 0.26% Asian, 0.66% from other races, and 1.26% from two or more races. Hispanic or Latino of any race were 2.02% of the population.
Of the 1,996 households, 33.9% had children under the age of 18 living with them, 68.8% were married couples living together, 6.4% had a female householder with no husband present, and 21.5% were non-families. 17.8% of households were one person, and 6.9% were one person aged 65 or older. The average household size was 2.65 and the average family size was 3.01.
In the township the population was spread out, with 25.8% under the age of 18, 6.1% from 18 to 24, 27.8% from 25 to 44, 29.1% from 45 to 64, and 11.3% 65 or older. The median age was 40 years. For every 100 females, there were 99.4 males. For every 100 females age 18 and over, there were 97.5 males.
The median household income was $59,450 and the median family income was $70,246. Males had a median income of $52,005 versus $26,605 for females. The per capita income for the township was $26,705. About 2.5% of families and 3.4% of the population were below the poverty line, including 3.3% of those under age 18 and 2.5% of those age 65 or over.