Greenfield is a city in northwestern Hennepin County, Minnesota. It has a population of 2,777 residents, according to the 2010 census, and is located 26.5 miles northwest of Minneapolis. It is part of the Twin Cities Metropolitan Statistical Area.
According to the United States Census Bureau, the city has a total area of 21.55 square miles (55.81 km), of which 20.40 square miles (52.84 km) is land and 1.15 square miles (2.98 km) is water.
Minnesota State Highway 55 serves as the main road in the city. Greenfield is located along the Crow River, which flows through the Downtown River District and divides Hennepin County and Wright County. Nearby towns include Loretto, Rockford, Corcoran, Hanover, Buffalo, and Maple Grove.
As of the census of 2010, there were 2,777 people, 936 households, and 771 families residing in the city. The population density was 136.1 inhabitants per square mile (52.5/km). There were 970 housing units at an average density of 47.5 per square mile (18.3/km). The racial makeup of the city was 96.1% White, 0.4% African American, 0.3% Native American, 1.3% Asian, 0.9% from other races, and 0.9% from two or more races. Hispanic or Latino of any race were 1.5% of the population.
There were 936 households of which 40.2% had children under the age of 18 living with them, 75.3% were married couples living together, 4.5% had a female householder with no husband present, 2.6% had a male householder with no wife present, and 17.6% were non-families. 13.5% of all households were made up of individuals and 4.1% had someone living alone who was 65 years of age or older. The average household size was 2.97 and the average family size was 3.28.
The median age in the city was 41.1 years. 29.7% of residents were under the age of 18; 6.9% were between the ages of 18 and 24; 20.4% were from 25 to 44; 35.9% were from 45 to 64; and 7.1% were 65 years of age or older. The gender makeup of the city was 50.4% male and 49.6% female.
As of the census of 2000, there were 2,544 people, 817 households, and 674 families residing in the city. The population density was 124.5 people per square mile (48.1/km²). There were 824 housing units at an average density of 40.3 per square mile (15.6/km²). The racial makeup of the city was 97.72% White, 0.39% African American, 0.24% Native American, 0.63% Asian, 0.20% from other races, and 0.83% from two or more races. Hispanic or Latino of any race were 0.79% of the population.
There were 817 households out of which 46.6% had children under the age of 18 living with them, 71.5% were married couples living together, 6.1% had a female householder with no husband present, and 17.5% were non-families. 12.0% of all households were made up of individuals and 2.8% had someone living alone who was 65 years of age or older. The average household size was 3.11 and the average family size was 3.39.
In the city, the population was spread out with 33.8% under the age of 18, 7.5% from 18 to 24, 33.7% from 25 to 44, 21.2% from 45 to 64, and 3.8% who were 65 years of age or older. The median age was 33 years. For every 100 females, there were 105.5 males. For every 100 females age 18 and over, there were 103.7 males.
The median income for a household in the city was $80,933, and the median income for a family was $86,032. Males had a median income of $50,784 versus $33,875 for females. The per capita income for the city was $29,270. About 0.7% of families and 2.5% of the population were below the poverty line, including 1.1% of those under age 18 and 2.7% of those age 65 or over.