| Official Name: | Posen Township, Michigan |
| Settlement Type: | Civil township |
| Pushpin Map: | Michigan#USA |
| Pushpin Label Position: | left |
| Pushpin Label: | Posen 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: | Presque Isle |
| Leader Title: | President |
| Leader Name: | Jim Zakshesky |
| Unit Pref: | Imperial |
| Area Total Km2: | 92.0 |
| Area Land Km2: | 91.4 |
| Area Water Km2: | 0.6 |
| Area Total Sq Mi: | 35.5 |
| Area Land Sq Mi: | 35.3 |
| Area Water Sq Mi: | 0.2 |
| Population As Of: | 2020 |
| Population Total: | 808 |
| Population Density Km2: | auto |
| Population Density Sq Mi: | auto |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation M: | 238 |
| Elevation Ft: | 781 |
| Coordinates: | 45.2489°N -83.69°W |
| Postal Code Type: | ZIP code(s) |
| Postal Code: | 49776 |
| Area Code: | 989 |
| Blank Name: | FIPS code |
| Blank Info: | 26-66020[1] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1626938 |
Posen Township is a civil township of Presque Isle County in the U.S. state of Michigan. The population was 808 at the 2020 census,[2] down from 959, at the 2000 census, which 65.4% (652) of which reported Polish ancestry.
According to the United States Census Bureau, the township has a total area of 35.5sqmi, of which 35.3sqmi is land and 0.2sqmi (0.62%) is water.
| Largest ancestries (2000) [3] | Percent | |
|---|---|---|
Polish  | 65.4% | |
German  | 16.9% | |
American  | 4.0% | |
Irish  | 3.5% | |
| 3.4% | ||
French  | 3.3% |
| Languages (2000) [4] [5] | Percent |
|---|---|
| Spoke English at home | 81.99% |
| Spoke Polish at home | 18.01% |
| Spoke English "not well" or "not at all." | 1.05% |
There were 387 households, out of which 28.9% had children under the age of 18 living with them, 57.9% were married couples living together, 5.7% had a female householder with no husband present, and 32.6% were non-families. 28.9% of all households were made up of individuals, and 15.2% had someone living alone who was 65 years of age or older. The average household size was 2.45 and the average family size was 3.05.
In the township the population was spread out, with 24.2% under the age of 18, 7.9% from 18 to 24, 25.0% from 25 to 44, 23.6% from 45 to 64, and 19.3% who were 65 years of age or older. The median age was 40 years. For every 100 females, there were 103.2 males. For every 100 females age 18 and over, there were 95.4 males.
The median income for a household in the township was $31,912, and the median income for a family was $40,714. Males had a median income of $31,875 versus $23,558 for females. The per capita income for the township was $15,259. About 4.5% of families and 9.7% of the population were below the poverty line, including 9.9% of those under age 18 and 12.7% of those age 65 or over.