| Putnam Township, Michigan | |
| Settlement Type: | Civil township |
| Pushpin Map: | Michigan#USA |
| Pushpin Label Position: | left |
| Pushpin Label: | Putnam Township |
| Pushpin Map Caption: | Location in Michigan##Location in the United States |
| Mapsize: | 250 |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Michigan |
| Subdivision Type2: | County |
| Subdivision Name2: | Livingston |
| Leader Title: | Supervisor |
| Leader Name: | Dennis Brennan |
| Leader Title1: | Clerk |
| Leader Name1: | Valerie Niemiec |
| Established Title: | Established |
| Established Date: | 1836 |
| Unit Pref: | Imperial |
| Area Total Km2: | 92.2 |
| Area Land Km2: | 88.3 |
| Area Water Km2: | 3.9 |
| Population As Of: | 2020 |
| Population Total: | 7890 |
| Population Density Km2: | auto |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation M: | 277 |
| Elevation Ft: | 909 |
| Coordinates: | 42.4583°N -83.9594°W |
| Postal Code Type: | ZIP code(s) |
| Postal Code: | 48169 (Pinckney) 48843 (Howell) |
| Area Code: | 734 |
| Blank Name: | FIPS code |
| Blank Info: | 26-66540[1] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1626946 |
Putnam Township is a civil township of Livingston County in the U.S. state of Michigan. The population was 7,890 at the 2020 census,[2] down from 8,248 at the 2010 census.[3] The village of Pinckney is located within the township.
Putnam Township is in southern Livingston County, bordered to the south by Washtenaw County. State highway M-36 crosses the township, passing through Pinckney and leading east to U.S. Route 23 at Whitmore Lake and northwest to Mason.
According to the United States Census Bureau, the township has a total area of 95.2km2, of which 88.3km2 are land and 3.9km2, or 4.08%, are water.[4] The township is drained by tributaries of Honey Creek and is part of the Huron River watershed, flowing to Lake Erie.
Portions of Pinckney State Recreation Area and Lakelands Trail State Park are located in Putnam Township.
The government of Putnam Township is a civil township, with trustees and a supervisor.[5]
As of the census of 2000, there were 7,500 people, 2,626 households, and 2,087 families residing in the township. The population density was 218.3sp=usNaNsp=us. There were 2,894 housing units at an average density of 84.2sp=usNaNsp=us. The racial makeup of the township was 97.81% White, 0.17% African American, 0.33% Native American, 0.24% Asian, 0.05% Pacific Islander, 0.20% from other races, and 1.19% from two or more races. Hispanic or Latino of any race were 0.91% of the population.
There were 2,626 households, out of which 39.7% had children under the age of 18 living with them, 68.1% were married couples living together, 7.6% had a female householder with no husband present, and 20.5% were non-families. 15.4% of all households were made up of individuals, and 4.5% had someone living alone who was 65 years of age or older. The average household size was 2.84 and the average family size was 3.18.
In the township the population was spread out, with 27.7% under the age of 18, 7.6% from 18 to 24, 32.9% from 25 to 44, 24.6% from 45 to 64, and 7.1% who were 65 years of age or older. The median age was 36 years. For every 100 females, there were 104.2 males. For every 100 females age 18 and over, there were 102.3 males.
The median income for a household in the township was $61,388, and the median income for a family was $63,704. Males had a median income of $49,211 versus $31,017 for females. The per capita income for the township was $23,974. About 2.8% of families and 3.9% of the population were below the poverty line, including 3.2% of those under age 18 and 5.1% of those age 65 or over.