| Official Name: | Marilla Township, Michigan |
| Settlement Type: | Township |
| Pushpin Map: | Michigan#USA |
| Pushpin Label: | Marilla Township |
| Pushpin Label Position: | left |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Michigan |
| Subdivision Type2: | County |
| Subdivision Name2: | Manistee |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Sq Mi: | 35.62 |
| Area Land Sq Mi: | 35.47 |
| Area Water Sq Mi: | 0.15 |
| Population As Of: | 2020 |
| Population Footnotes: | [2] |
| Population Total: | 398 |
| Population Density Sq Mi: | 11.2 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation M: | 320 |
| Elevation Ft: | 1050 |
| Coordinates: | 44.375°N -85.8903°W |
| Postal Code Type: | ZIP codes |
| Postal Code: | 49625 (Copemish) 49645 (Kaleva) 49668 (Mesick) |
| Blank Name: | FIPS code |
| Blank Info: | 26-101-51580[3] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1626686 |
Marilla Township is a civil township of Manistee County in the U.S. state of Michigan. The population was 398 at the 2020 census.[2]
The first settler in the area of the township was C. Churchill from New York state, who arrived in June 1866. The township was organized in 1869, having previously been part of Brown Township. It was named after the sister of one of the original members of the township board of supervisors.
According to the United States Census Bureau, the township has a total area of 35.6sqmi, of which 0.2sqmi, or 0.43%, are water.[1] The Manistee River crosses the southeast corner of the township, flowing generally westerly toward Lake Michigan.
As of the census of 2000, there were 362 people, 144 households, and 117 families residing in the township. The population density was 10.2sp=usNaNsp=us. There were 222 housing units at an average density of 6.3sp=usNaNsp=us. The racial makeup of the township was 96.96% White, 1.38% Native American, 0.55% from other races, and 1.10% from two or more races. Hispanic or Latino of any race were 0.83% of the population.
There were 144 households, out of which 27.1% had children under the age of 18 living with them, 69.4% were married couples living together, 7.6% had a female householder with no husband present, and 18.8% were non-families. 13.9% of all households were made up of individuals, and 7.6% had someone living alone who was 65 years of age or older. The average household size was 2.51 and the average family size was 2.75.
In the township the population was spread out, with 22.4% under the age of 18, 5.2% from 18 to 24, 22.9% from 25 to 44, 34.0% from 45 to 64, and 15.5% who were 65 years of age or older. The median age was 45 years. For every 100 females, there were 100.0 males. For every 100 females age 18 and over, there were 95.1 males.
The median income for a household in the township was $40,000, and the median income for a family was $40,341. Males had a median income of $34,375 versus $21,250 for females. The per capita income for the township was $17,643. About 6.2% of families and 5.8% of the population were below the poverty line, including none of those under age 18 and 14.8% of those age 65 or over.