| Official Name: | Riley Township, Michigan |
| Settlement Type: | Civil township |
| Pushpin Map: | Michigan#USA |
| Pushpin Label Position: | left |
| Pushpin Label: | Riley Township |
| Pushpin Map Caption: | Location within the state of Michigan##Location within the United States |
| Mapsize: | 250 |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Michigan |
| Subdivision Type2: | County |
| Subdivision Name2: | Clinton |
| Leader Title: | Supervisor |
| Leader Name: | Donald Potts |
| Leader Title1: | Clerk |
| Leader Name1: | Lisa Powell |
| Established Title: | Organized |
| Established Date: | 1836 |
| Unit Pref: | Imperial |
| Area Total Km2: | 92.54 |
| Area Land Km2: | 92.49 |
| Area Water Km2: | 0.05 |
| Area Total Sq Mi: | 35.73 |
| Area Land Sq Mi: | 35.71 |
| Area Water Sq Mi: | 0.02 |
| Population As Of: | 2020 |
| Population Total: | 2020 |
| Population Density Sq Mi: | auto |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation M: | 238 |
| Elevation Ft: | 781 |
| Coordinates: | 42.9044°N -84.6764°W |
| Postal Code Type: | ZIP code(s) |
| Postal Code: | 48820 (DeWitt) 48835 (Fowler) 48879 (St. Johns) |
| Area Code: | 517 |
| Blank Name: | FIPS code |
| Blank Info: | 26-68600[1] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1626981 |
Riley Township is a civil township of Clinton County in the U.S. state of Michigan. The population was 2,020 at the 2020 census.[2]
According to the U.S. Census Bureau, the township has a total area of 35.73sqmi, of which 35.71sqmi is land and 0.02sqmi (0.06%) is water.[3]
Riley Township is located southwest of the center of Clinton County.
As of the census of 2000, there were 1,767 people, 611 households, and 507 families residing in the township. The population density was 49.5sp=usNaNsp=us. There were 625 housing units at an average density of 17.5 per square mile (6.8/km). The racial makeup of the township was 96.26% White, 0.28% Native American, 0.11% Asian, 0.11% Pacific Islander, 0.74% from other races, and 2.49% from two or more races. Hispanic or Latino of any race were 1.87% of the population.
There were 611 households, out of which 40.4% had children under the age of 18 living with them, 74.6% were married couples living together, 4.6% had a female householder with no husband present, and 17.0% were non-families. 12.1% of all households were made up of individuals, and 4.3% had someone living alone who was 65 years of age or older. The average household size was 2.87 and the average family size was 3.13.
In the township the population was spread out, with 29.0% under the age of 18, 6.6% from 18 to 24, 30.1% from 25 to 44, 25.6% from 45 to 64, and 8.8% who were 65 years of age or older. The median age was 37 years. For every 100 females, there were 101.9 males. For every 100 females age 18 and over, there were 105.1 males.
The median income for a household in the township was $61,375, and the median income for a family was $64,154. Males had a median income of $45,577 versus $31,852 for females. The per capita income for the township was $21,682. About 1.8% of families and 3.7% of the population were below the poverty line, including 5.1% of those under age 18 and 6.7% of those age 65 or over.