| Official Name: | Deep River Township, Michigan |
| Settlement Type: | Civil township |
| Pushpin Map: | Michigan#USA |
| Pushpin Label Position: | left |
| Pushpin Label: | Deep River 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: | Arenac |
| Leader Title: | Supervisor |
| Leader Name: | Karlia Raymond-Kroczaleski |
| Established Title: | Organized |
| Established Date: | 1873 |
| Unit Pref: | Imperial |
| Area Total Km2: | 92.0 |
| Area Land Km2: | 91.4 |
| Area Water Km2: | 0.6 |
| Population As Of: | 2020 |
| Population Total: | 2050 |
| Population Density Km2: | auto |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation M: | 223 |
| Elevation Ft: | 732 |
| Coordinates: | 44.0347°N -83.9978°W |
| Postal Code Type: | ZIP code(s) |
| Postal Code: | 48658, 48659, 48749 |
| Area Code: | 989 |
| Blank Name: | FIPS code |
| Blank Info: | 26-21120[1] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1626167 |
Deep River Township is a civil township of Arenac County in the U.S. state of Michigan. The population was 2,050 at the 2020 census.[2] The village of Sterling is located within the township.
Deep River Township was organized February 28, 1873, at the time part of Bay County. John Bullock, George H. Childs and Thomas White were appointed to oversee the first township meeting on the 1st Monday in April of that year [3] In 1886, Adams Township was split off from Deep River Township [4]
According to the United States Census Bureau, the township has a total area of 92km2, of which 91.4km2 is land and 0.6km2, or 0.70%, is water.[5]
As of the census of 2000, there were 2,244 people, 839 households, and 614 families residing in the township. The population density was 63.5sp=usNaNsp=us. There were 1,051 housing units at an average density of 29.7sp=usNaNsp=us. The racial makeup of the township was 97.91% White, 0.98% Native American, 0.13% Asian, 0.13% from other races, and 0.85% from two or more races. Hispanic or Latino of any race were 2.72% of the population.
There were 839 households, out of which 34.8% had children under the age of 18 living with them, 59.6% were married couples living together, 9.1% had a female householder with no husband present, and 26.7% were non-families. 23.0% of all households were made up of individuals, and 10.6% had someone living alone who was 65 years of age or older. The average household size was 2.54 and the average family size was 2.97.
In the township the population was spread out, with 25.4% under the age of 18, 7.2% from 18 to 24, 27.3% from 25 to 44, 23.8% from 45 to 64, and 16.4% who were 65 years of age or older. The median age was 39 years. For every 100 females, there were 96.7 males. For every 100 females age 18 and over, there were 92.5 males.
The median income for a household in the township was $37,457, and the median income for a family was $42,014. Males had a median income of $31,771 versus $21,944 for females. The per capita income for the township was $16,945. About 10.4% of families and 12.1% of the population were below the poverty line, including 15.0% of those under age 18 and 7.7% of those age 65 or over.