Alternate use: There is an unincorporated community named Pine River in Arenac County.

Pine River Township is a township located in Gratiot County in the U.S. state of Michigan. As of the 2000 census, the township had a total population of 2,451.

Communities

• The city of Alma is at the south side of the township, but is politically independent.
• The city of St. Louis is at the southeast corner of the township, but is politically independent.
• Forest Hill is an unincorporated community in the township at 43°26'12" north latitude, 84°41'08" west longitude. The FIPS place code is 29560 and the elevation is 786 feet above sea level.

Geography

According to the United States Census Bureau, the township has a total area of 79.8 km² (30.8 mi²). 79.5 km² (30.7 mi²) of it is land and 0.2 km² (0.1 mi²) of it is water. The total area is 0.29% water.

Demographics

As of the census² of 2000, there are 2,451 people, 912 households, and 704 families residing in the township. The population density is 30.8/km² (79.8/mi²). There are 983 housing units at an average density of 12.4/km² (32.0/mi²). The racial makeup of the township is 96.04% White, 0.29% African American, 0.49% Native American, 0.37% Asian, 0.04% Pacific Islander, 1.43% from other races, and 1.35% from two or more races. 3.26% of the population are Hispanic or Latino of any race.

There are 912 households out of which 33.3% have children under the age of 18 living with them, 66.1% are married couples living together, 7.6% have a female householder with no husband present, and 22.8% are non-families. 19.2% of all households are made up of individuals and 8.8% have someone living alone who is 65 years of age or older. The average household size is 2.61 and the average family size is 2.96.

In the township the population is spread out with 24.9% under the age of 18, 6.5% from 18 to 24, 26.6% from 25 to 44, 24.9% from 45 to 64, and 17.1% who are 65 years of age or older. The median age is 40 years. For every 100 females there are 98.3 males. For every 100 females age 18 and over, there are 95.5 males.

The median income for a household in the township is $36,615, and the median income for a family is $39,632. Males have a median income of $36,250 versus $21,958 for females. The per capita income for the township is $16,504. 6.3% of the population and 4.9% of families are below the poverty line. Out of the total population, 7.4% of those under the age of 18 and 7.4% of those 65 and older are living below the poverty line.