| Official Name: | Oliver Township, Michigan |
| Settlement Type: | Civil township |
| Pushpin Map: | Michigan#USA |
| Pushpin Label Position: | right |
| Pushpin Label: | Oliver 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: | Kalkaska |
| Leader Title: | Supervisor |
| Leader Name: | Edward Fisher |
| Leader Title1: | Clerk |
| Leader Name1: | Sonja Dunham |
| Established Title: | Organized |
| Established Date: | 1881 |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | 36.04 |
| Area Land Sq Mi: | 35.73 |
| Area Water Sq Mi: | 0.31 |
| Population As Of: | 2020 |
| Population Total: | 292 |
| Population Density Sq Mi: | 7.86 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation M: | 339 |
| Elevation Ft: | 1112 |
| Coordinates: | 44.6308°N -85.0236°W |
| Postal Code Type: | ZIP code(s) |
| Postal Code: | 49633 (Fife Lake) 49646 (Kalkaska) |
| Area Code: | 231 |
| Blank Name: | FIPS code |
| Blank Info: | 26-60540[1] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1626843 |
Oliver Township is a civil township of Kalkaska County in the U.S. state of Michigan. The population was 292 at the 2020 census, making it the least-populous township in Kalkaska County. Oliver Township is part of the Traverse City micropolitan area, and is considered part of Northern Michigan.
Oliver Township was organized in 1881.[2]
According to the United States Census Bureau, the township has a total area of 36.04sqmi, of which 35.73sqmi is land and 0.31sqmi (0.86%) is water.[3]
The main and north branch of the Manistee River flows through the township.
Oliver Township doesn't contain any state trunkline highways.
As of the census of 2000, there were 263 people, 113 households, and 83 families residing in the township. The population density was 7.3/mi2. There were 242 housing units at an average density of 6.7/mi2. The racial makeup of the township was 97.34% White, 1.14% Native American, and 1.52% from two or more races.
There were 113 households, out of which 23.0% had children under the age of 18 living with them, 64.6% were married couples living together, 8.0% had a female householder with no husband present, and 26.5% were non-families. 22.1% of all households were made up of individuals, and 6.2% had someone living alone who was 65 years of age or older. The average household size was 2.33 and the average family size was 2.69.
In the township the population was spread out, with 17.9% under the age of 18, 7.2% from 18 to 24, 27.0% from 25 to 44, 34.2% from 45 to 64, and 13.7% who were 65 years of age or older. The median age was 42 years. For every 100 females, there were 99.2 males. For every 100 females age 18 and over, there were 101.9 males.
The median income for a household in the township was $30,104, and the median income for a family was $32,778. Males had a median income of $24,063 versus $17,250 for females. The per capita income for the township was $15,153. About 6.4% of families and 8.4% of the population were below the poverty line, including 3.7% of those under the age of eighteen and none of those 65 or over.