| Official Name: | Harrisville Township, Michigan |
| Settlement Type: | Civil township |
| Pushpin Map: | Michigan#USA |
| Pushpin Label: | Harrisville Township |
| Pushpin Label Position: | left |
| Pushpin Map Caption: | Location within the state of Michigan##Location within the United States |
| Mapsize: | 250 |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Alcona |
| Leader Title: | Supervisor |
| Leader Name: | Charles Spitznagel |
| Leader Title1: | Clerk |
| Leader Name1: | Kaylie Landrum |
| Established Title: | Established |
| Established Date: | 1859 |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | 30.35 |
| Area Land Sq Mi: | 30.33 |
| Area Water Sq Mi: | 0.02 |
| Population As Of: | 2020 |
| Population Total: | 1307 |
| Population Density Km2: | auto |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation M: | 222 |
| Elevation Ft: | 728 |
| Coordinates: | 44.6528°N -83.3333°W |
| Postal Code Type: | ZIP code(s) |
| Postal Code: | 48738 (Greenbush) 48740 (Harrisville) |
| Area Code: | 989 |
| Blank Name: | FIPS code |
| Blank Info: | 26-36880[1] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1626441 |
Harrisville Township is a civil township of Alcona County in the U.S. state of Michigan. The population was 1,307 at the 2020 census.[2] Harrisville Township surrounds the city of Harrisville, but the two are administered autonomously.
According to the U.S. Census Bureau, the township has a total area of 30.35sqmi, of which 30.33sqmi is land and 0.02sqmi (0.07%) is water.[4]
Harrisville Township has a coastline along Lake Huron, and most of Harrisville State Park is located within the township and extends into the city of Harrisville.
As of the census of 2000, there were 1,411 people, 555 households, and 405 families residing in the township. The population density was 46.7sp=usNaNsp=us. There were 790 housing units at an average density of 26.1sp=usNaNsp=us. The racial makeup of the township was 98.72% White, 0.35% Native American, and 0.92% from two or more races. Hispanic or Latino of any race were 0.64% of the population.
There were 555 households, out of which 25.0% had children under the age of 18 living with them, 62.2% were married couples living together, 6.8% had a female householder with no husband present, and 27.0% were non-families. 22.5% of all households were made up of individuals, and 11.4% had someone living alone who was 65 years of age or older. The average household size was 2.37 and the average family size was 2.74.
In the township the population was spread out, with 20.4% under the age of 18, 6.0% from 18 to 24, 20.8% from 25 to 44, 28.6% from 45 to 64, and 24.2% who were 65 years of age or older. The median age was 47 years. For every 100 females, there were 90.7 males. For every 100 females age 18 and over, there were 91.3 males.
The median income for a household in the township was $35,074, and the median income for a family was $36,685. Males had a median income of $28,500 versus $20,588 for females. The per capita income for the township was $15,907. About 7.8% of families and 9.9% of the population were below the poverty line, including 10.8% of those under age 18 and 6.9% of those age 65 or over.
Harrisville Township is served entirely by Alcona Community Schools.[5]