of the census of 2000, there were 2,129 people, 937 households, and 580 families residing in the city. The population density was . There were 999 housing units at an average density of . The racial makeup of the city was 99.20% White, 0.05% African American, 0.38% Asian, 0.19% from other races, and 0.19% from two or more races. Hispanic or Latino of any race were 0.42% of the population. There were 937 households, out of which 26.8% had children under the age of 18 living with them, 52.1% were married couples living together, 6.9% had a female householder with no husband present, and 38.0% were non-families. 34.2% of all households were made up of individuals, and 19.9% had someone living alone who was 65 years of age or older. The average household size was 2.20 and the average family size was 2.82. Age spread: 22.6% under the age of 18, 6.5% from 18 to 24, 24.5% from 25 to 44, 20.4% from 45 to 64, and 26.0% who were 65 years of age or older. The median age was 42 years. For every 100 females, there were 85.3 males. For every 100 females age 18 and over, there were 84.0 males. The median income for a household in the city was $33,869, and the median income for a family was $42,872. Males had a median income of $29,792 versus $22,091 for females. The per capita income for the city was $19,444. About 7.7% of families and 10.6% of the population were below the poverty line, including 17.0% of those under age 18 and 9.2% of those age 65 or over. Economy In 1995, Greenfield became affiliated with the Main Street Iowa program, to rejuvenate the downtown area. The Main Street Approach was developed by the National Trust for Historic Preservation's National Main Street Center with the goal of economic development within the context of historic preservation. Every year Main Street Iowa awards the member communities for their efforts. Greenfield has won awards every year since it became a Main Street town. Arts and culture Adair County Courthouse Greenfield's unique Courthouse, built in Romanesque style and listed on the National Register of Historic Places in 1981, was constructed in 1891 after the original was destroyed in a fire. The Courthouse was designed by S. E. Maxon. The country's wars have taken their toll on artifacts surrounding the structure. A gazebo