| Portsmouth Township, Michigan | |
| Official Name: | Portsmouth Charter Township |
| Settlement Type: | Charter township |
| Pushpin Map: | Michigan |
| Pushpin Label Position: | left |
| Pushpin Label: | Portsmouth 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: | Bay |
| Leader Title: | Supervisor |
| Leader Name: | Robert Pawlak |
| Leader Title1: | Clerk |
| Leader Name1: | Judith Bukowski |
| Established Title: | Established |
| Established Date: | 1859 |
| Unit Pref: | Imperial |
| Area Total Km2: | 52.1 |
| Area Land Km2: | 51.8 |
| Area Water Km2: | 0.3 |
| Area Total Sq Mi: | 20.1 |
| Area Land Sq Mi: | 20.0 |
| Area Water Sq Mi: | 0.1 |
| Population As Of: | 2020 |
| Population Total: | 3224 |
| Population Density Km2: | auto |
| Population Density Sq Mi: | auto |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation M: | 183 |
| Elevation Ft: | 600 |
| Coordinates: | 43.5558°N -83.8508°W |
| Postal Code Type: | ZIP code(s) |
| Postal Code: | 48708 (Bay City) 48747 (Munger) |
| Area Code: | 989 |
| Blank Name: | FIPS code |
| Blank Info: | 26-65980[1] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1626937 |
Portsmouth Charter Township is a charter township located in Bay County in the U.S. state of Michigan. The township's population was 3,224 as of the 2020 census and is included in the Bay City Metropolitan Statistical Area.[2]
Before the arrival of Euro-American emigres, there was a tree here that was said to mark the grave of Ke-wah-ke-won, a leader of the Ojibwe in former days.[3]
According to the United States Census Bureau, the township has a total area of 20.1sqmi, of which 20sqmi is land and 0.1sqmi (0.50%) is water.
As of the census of 2000, there were 3,619 people, 1,408 households, and 1,056 families residing in the township. The population density was 181sp=usNaNsp=us. There were 1,484 housing units at an average density of 74.2sp=usNaNsp=us. The racial makeup of the township was 96.91% White, 0.75% African American, 0.41% Native American, 0.14% Asian, 0.91% from other races, and 0.88% from two or more races. Hispanic or Latino of any race were 3.45% of the population.
There were 1,408 households, out of which 29.8% had children under the age of 18 living with them, 62.9% were married couples living together, 8.5% had a female householder with no husband present, and 25.0% were non-families. 22.5% of all households were made up of individuals, and 9.7% had someone living alone who was 65 years of age or older. The average household size was 2.56 and the average family size was 2.99.
In the township the population was spread out, with 23.2% under the age of 18, 8.0% from 18 to 24, 26.2% from 25 to 44, 28.2% from 45 to 64, and 14.3% who were 65 years of age or older. The median age was 41 years. For every 100 females, there were 99.2 males. For every 100 females age 18 and over, there were 99.4 males.
The median income for a household in the township was $45,500, and the median income for a family was $50,938. Males had a median income of $42,000 versus $22,024 for females. The per capita income for the township was $19,337. About 5.4% of families and 8.2% of the population were below the poverty line, including 12.3% of those under age 18 and 8.2% of those age 65 or over.