| Official Name: | Deerfield Township, Michigan |
| Settlement Type: | Civil township |
| Pushpin Map: | Michigan#USA |
| Pushpin Label Position: | left |
| Pushpin Label: | Deerfield 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: | Alfred Mattioli |
| Leader Title1: | Clerk |
| Leader Name1: | Gary Johnston |
| Unit Pref: | Imperial |
| Area Total Km2: | 97.5 |
| Area Land Km2: | 93.7 |
| Area Water Km2: | 3.8 |
| Population As Of: | 2020 |
| Population Total: | 4166 |
| Population Density Km2: | auto |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation M: | 275 |
| Elevation Ft: | 902 |
| Coordinates: | 42.7497°N -83.8556°W |
| Postal Code Type: | ZIP code(s) |
| Postal Code: | 48430 (Fenton) 48451 (Linden) 48855 (Howell) |
| Area Code: | 517 |
| Blank Name: | FIPS code |
| Blank Info: | 26-21220[1] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1626171 |
Deerfield Township is a civil township of Livingston County in the U.S. state of Michigan. The population was 4,166 at the 2020 census.[2]
Deerfield Township is in the northeast part of Livingston County and is bordered to the north by Genesee County. According to the United States Census Bureau, the township has a total area of 97.5sqkm, of which 93.7sqkm are land and 3.8sqkm, or 3.90%, are water.[3] The township is drained by north-flowing tributaries of the Shiawassee River.
As of the census of 2000, there were 4,087 people, 1,386 households, and 1,118 families residing in the township. The population density was 112.2sp=usNaNsp=us. There were 1,495 housing units at an average density of 41.1sp=usNaNsp=us. The racial makeup of the township was 98.29% White, 0.51% Native American, 0.12% Asian, 0.10% from other races, and 0.98% from two or more races. Hispanic or Latino of any race were 1.25% of the population.
There were 1,386 households, out of which 41.0% had children under the age of 18 living with them, 71.9% were married couples living together, 5.6% had a female householder with no husband present, and 19.3% were non-families. 15.1% of all households were made up of individuals, and 3.7% had someone living alone who was 65 years of age or older. The average household size was 2.95 and the average family size was 3.30.
In the township the population was spread out, with 29.9% under the age of 18, 6.3% from 18 to 24, 32.1% from 25 to 44, 25.2% from 45 to 64, and 6.5% who were 65 years of age or older. The median age was 36 years. For every 100 females, there were 107.5 males. For every 100 females age 18 and over, there were 108.7 males.
The median income for a household in the township was $65,756, and the median income for a family was $69,750. Males had a median income of $47,202 versus $34,028 for females. The per capita income for the township was $28,140. About 1.3% of families and 2.4% of the population were below the poverty line, including 3.3% of those under age 18 and 4.1% of those age 65 or over.