| Official Name: | Sims Township, Michigan |
| Settlement Type: | Civil township |
| Pushpin Map: | Michigan#USA |
| Pushpin Label Position: | left |
| Pushpin Label: | Sims 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: | Robert Mackie |
| Unit Pref: | Imperial |
| Area Total Km2: | 120.9 |
| Area Land Km2: | 29.8 |
| Area Water Km2: | 91.1 |
| Population As Of: | 2020 |
| Population Total: | 986 |
| Population Density Km2: | auto |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation M: | 181 |
| Elevation Ft: | 594 |
| Coordinates: | 44.0611°N -83.6256°W |
| Postal Code Type: | ZIP code(s) |
| Postal Code: | 48703 |
| Area Code: | 989 |
| Blank Name: | FIPS code |
| Blank Info: | 26-74020[1] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1627084 |
Sims Township is a civil township of Arenac County in the U.S. state of Michigan. The population was 986 at the 2020 census.[2]
According to the United States Census Bureau, the township has a total area of 120.9km2, of which 29.8km2 is land and 91.1km2, or 75.35%, is water.[3] The township includes Little Charity Island, located 5miles offshore in Saginaw Bay of Lake Huron.
As of the census of 2000, there were 1,091 people, 503 households, and 353 families residing in the township. The population density was 94.6sp=usNaNsp=us. There were 1,111 housing units at an average density of 96.4sp=usNaNsp=us. The racial makeup of the township was 97.80% White, 0.82% Native American, 0.37% Asian, 0.09% from other races, and 0.92% from two or more races. Hispanic or Latino of any race were 1.56% of the population.
There were 503 households, out of which 17.9% had children under the age of 18 living with them, 62.2% were married couples living together, 5.8% had a female householder with no husband present, and 29.8% were non-families. 26.4% of all households were made up of individuals, and 11.3% had someone living alone who was 65 years of age or older. The average household size was 2.17 and the average family size was 2.56.
In the township the population was spread out, with 16.7% under the age of 18, 4.9% from 18 to 24, 19.9% from 25 to 44, 33.4% from 45 to 64, and 25.2% who were 65 years of age or older. The median age was 51 years. For every 100 females, there were 100.6 males. For every 100 females age 18 and over, there were 102.9 males.
The median income for a household in the township was $35,703, and the median income for a family was $41,932. Males had a median income of $43,750 versus $24,545 for females. The per capita income for the township was $25,135. About 5.7% of families and 9.6% of the population were below the poverty line, including 23.5% of those under age 18 and 1.5% of those age 65 or over.