| Official Name: | Berlin Township, Michigan |
| Settlement Type: | Civil township |
| Pushpin Map: | Michigan |
| Pushpin Label Position: | left |
| Pushpin Label: | Berlin 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: | St. Clair |
| Unit Pref: | Imperial |
| Area Total Km2: | 96.2 |
| Area Land Km2: | 96.2 |
| Area Water Km2: | 0.0 |
| Area Total Sq Mi: | 37.1 |
| Area Land Sq Mi: | 37.1 |
| Area Water Sq Mi: | 0.0 |
| Population As Of: | 2020 |
| Population Total: | 3115 |
| Population Density Km2: | auto |
| Population Density Sq Mi: | auto |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation M: | 241 |
| Elevation Ft: | 791 |
| Coordinates: | 42.9383°N -82.9158°W |
| Postal Code Type: | ZIP code(s) |
| Postal Code: | 48002 |
| Area Code: | 810 |
| Blank Name: | FIPS code |
| Blank Info: | 26-07760[1] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1625925 |
Berlin Township is a civil township of St. Clair County in the U.S. state of Michigan. At the 2020 census, the township population was 3,115.[2]
According to the United States Census Bureau, the township has a total area of 37.1sqmi, all land.
At the census, there were 3,162 people, 1,050 households and 872 families residing in the township. The population density was 85.2sp=usNaNsp=us. There were 1,076 housing units at an average density of 29sp=usNaNsp=us. The racial makeup of the township was 97.19% White, 0.89% African American, 0.19% Native American, 0.22% Asian, 0.03% Pacific Islander, 0.57% from other races, and 0.92% from two or more races. Hispanic or Latino of any race were 2.81% of the population.
There were 1,050 households, of which 41.6% had children under the age of 18 living with them, 72.8% were married couples living together, 6.0% had a female householder with no husband present, and 16.9% were non-families. 14.1% of all households were made up of individuals, and 4.8% had someone living alone who was 65 years of age or older. The average household size was 3.01 and the average family size was 3.33.
Age distribution was 28.8% under the age of 18, 7.7% from 18 to 24, 32.2% from 25 to 44, 23.3% from 45 to 64, and 7.9% who were 65 years of age or older. The median age was 35 years. For every 100 females, there were 104.8 males. For every 100 females age 18 and over, there were 103.8 males.
The median household income was $61,157, and the median family income was $67,153. Males had a median income of $46,536 versus $30,337 for females. The per capita income for the township was $21,412. About 5.4% of families and 6.9% of the population were below the poverty line, including 11.5% of those under age 18 and 1.2% of those age 65 or over.