| Official Name: | Marcellus Township, Michigan |
| Settlement Type: | Civil township |
| Seal Size: | 300px |
| Seal Type: | logo |
| Pushpin Map: | Michigan#USA |
| Pushpin Label Position: | top |
| Pushpin Label: | Marcellus 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: | Cass |
| Leader Title: | Supervisor |
| Leader Title1: | Clerk |
| Unit Pref: | Imperial |
| Area Total Km2: | 90.3 |
| Area Land Km2: | 86.0 |
| Area Water Km2: | 4.4 |
| Population As Of: | 2020 |
| Population Total: | 2401 |
| Population Density Km2: | auto |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation M: | 273 |
| Elevation Ft: | 896 |
| Coordinates: | 42.0264°N -85.8186°W |
| Postal Code Type: | ZIP code(s) |
| Postal Code: | 49067 |
| Area Code: | 269 |
| Blank Name: | FIPS code |
| Blank Info: | 26-51480[1] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1626683 |
Marcellus Township is a civil township of Cass County in the U.S. state of Michigan. The population was 2,401 at the 2020 census.[2] The village of Marcellus is within the township.
The township was organized and had an election on June 16, 1843, in which the first township supervisor, Daniel G. Rouse, was elected. Guerdon R. Beebee was elected treasurer, and Ephraim Huyatt was elected clerk. The growth of Marcellus township and village can be attributed to the Peninsular Railroad in the winter of 1870–1871, which created an economic boom for the area at the time.[3]
Marcellus Township is located in the northeast corner of Cass County in southwestern Michigan. According to the United States Census Bureau, the township has a total area of 90.3sqkm, of which 86sqkm is land and 4.4sqkm, or 4.82%, is water.[4] There are 15 named lakes in the township, the largest of which is Fish Lake in the northwest.[5] The Rocky River, a tributary of the St. Joseph River, rises near the western border of the township and flows east towards Three Rivers.
According to the Cass County Road Commission, there was a total of of primary road and of local road in the township of Marcellus, as of December 31, 2008.[6]
As of the census of 2000, there were 2,712 people, 1,021 households, and 752 families residing in the township. The population density was 81.4sp=usNaNsp=us. There were 1,186 housing units at an average density of 35.6sp=usNaNsp=us. The racial makeup of the township was 96.57% White, 0.81% African American, 0.52% Native American, 0.15% Asian, 0.18% from other races, and 1.77% from two or more races. Hispanic or Latino of any race were 1.14% of the population. There are no Pacific Islanders.
There were 1,021 households, out of which 34.6% had children under the age of 18 living with them, 59.1% were married couples living together, 9.7% had a female householder with no husband present, and 26.3% were non-families. 22.1% of all households were made up of individuals, and 9.4% had someone living alone who was 65 years of age or older. The average household size was 2.66 and the average family size was 3.08.
In the township the population was spread out, with 27.7% under the age of 18, 8.4% from 18 to 24, 29.0% from 25 to 44, 22.3% from 45 to 64, and 12.7% who were 65 years of age or older. The median age was 35 years. For every 100 females, there were 98.8 males. For every 100 females age 18 and over, there were 96 males.
The median income for a household in the township was $39,306, and the median income for a family was $42,560. Males had a median income of $34,773 versus $24,214 for females. The per capita income for the township was $17,442. About 9.1% of families and 12.1% of the population were below the poverty line, including 13.6% of those under age 18 and 14.1% of those age 65 or over.