| Official Name: | Northfield Township, Michigan |
| Settlement Type: | Civil township |
| Motto: | Planning for our future, preserving our past |
| Pushpin Map: | Michigan#USA |
| Pushpin Label: | Northfield Township |
| Pushpin Label Position: | left |
| Pushpin Map Caption: | Location within the state of Michigan##Location within the United States |
| Mapsize: | 250 |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Michigan |
| Subdivision Type2: | County |
| Subdivision Name2: | Washtenaw |
| Government Type: | General Law Township |
| Leader Title: | Supervisor |
| Leader Name: | Kenneth J. Dignan III |
| Leader Title1: | Clerk |
| Leader Name1: | Kathleen Manley |
| Leader Title2: | Treasurer |
| Leader Name2: | Jacki Otto |
| Established Title: | Established |
| Established Date: | 1832 |
| Unit Pref: | Imperial |
| Area Total Km2: | 94.20 |
| Area Land Km2: | 92.64 |
| Area Water Km2: | 1.55 |
| Area Total Sq Mi: | 36.37 |
| Area Land Sq Mi: | 35.77 |
| Area Water Sq Mi: | 0.60 |
| Population As Of: | 2020 |
| Population Total: | 8,514 |
| Population Density Sq Mi: | 236.5 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation M: | 278 |
| Elevation Ft: | 912 |
| Coordinates: | 42.4006°N -83.7433°W |
| Postal Code Type: | ZIP code(s) |
| Postal Code: | 48105 (Ann Arbor) 48178 (South Lyon) 48189 (Whitmore Lake) |
| Area Code: | 734 |
| Blank Name: | FIPS code |
| Blank Info: | 26-58280[1] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1626812 |
Northfield Township is a civil township of Washtenaw County in the U.S. state of Michigan. The population was 8,514 at the 2020 census.[2]
According to the U.S. Census Bureau, the township has a total area of 36.37sqmi, of which 35.77sqmi is land and 0.6sqmi (1.65%) is water.[3]
As of the census of 2020, there were 8,514 people, 3,521 households, and 2,236 families residing in the township. The population density was 236.5sp=usNaNsp=us. There were 3,393 housing units at an average density of 93.5sp=usNaNsp=us. The racial makeup of the township was 97.3% White, 0.6% African American, 0.0% Native American, 0.7% Asian, 0.0% Pacific Islander, 0.23% from other races, and 1.2% from two or more races. Hispanic or Latino of any race were 3.6% of the population.
There were 3,521 households, out of which 20.9% had children under the age of 18 living with them, 58.1% were married couples living together, 8.8% had a female householder with no husband present, and 29.1% were non-families. 21.5% of all households were made up of individuals, and 13.7% had someone living alone who was 65 years of age or older. The average household size was 2.41 and the average family size was 3.02.
In the township, 26.9% of the population was under the age of 18, 7.1% were from 18 to 24, 36.8% from 25 to 44, 22.2% from 45 to 64, and 13.7% were 65 years of age or older. The median age was 35 years. For every 100 females, there were 102.8 males. For every 100 females age 18 and over, there were 98.2 males.
The median income for a household in the township was $79,890, and the median income for a family was $68,393. Males had a median income of $41,883 versus $30,680 for females. The per capita income for the township was $40,621. About 2.4% of families and 4.1% of the population were below the poverty line, including 3.9% of those under age 18 and 0.9% of those age 65 or over.
Northfield Township is served by four separate public school districts. Ann Arbor Public Schools serves small portions of the southern area of the township. Whitmore Lake Public Schools serves most of the southeast to northwest areas of the township, and South Lyon Community Schools in South Lyon serves the northeast portion. Very small portions of the northwestern edge of the township are served by Dexter Community School District to the southwest in Dexter.[4]