Hartington is located at . According to the United States Census Bureau, the city has a total area of, all land. Hartington is served by Nebraska State Highways 57 and 84.
Demographics
2010 census
At the 2010 census there were 1,554 people, 641 households, and 402 families living in the city. The population density was. There were 715 housing units at an average density of. The racial make-up of the city was 99.2% White, 0.1% African American, 0.2% Native American, 0.1% Asian, 0.1% from other races, and 0.3% from two or more races. Hispanic or Latino of any race were 0.5%. Of the 641 households 28.4% had children under the age of 18 living with them, 56.5% were married couplesliving together, 4.4% had a female householder with no husband present, 1.9% had a male householder with no wife present, and 37.3% were non-families. 34.8% of households were one person and 21.3% were one person aged 65 or older. The average household size was 2.34 and the average family size was 3.08. The median age was 42.6 years. 26.1% of residents were under the age of 18; 6.1% were between the ages of 18 and 24; 19.7% were from 25 to 44; 21.9% were from 45 to 64; and 26.2% were 65 or older. The gender makeup of the city was 49.8% male and 50.2% female.
At the 2000 census there were 1,640 people, 670 households, and 416 families living in the city. The population density was 1,821.5 people per square mile. There were 738 housing units at an average density of 819.7 per square mile. The racial makeup of the city was 99.15% White, 0.12% Native American, 0.06% from other races, and 0.67% from two or more races. Hispanic or Latino of any race were 0.24%. Of the 670 households 30.1% had children under the age of 18 living with them, 55.4% were married couples living together, 4.3% had a female householder with no husband present, and 37.9% were non-families. 34.5% of households were one person and 22.1% were one person aged 65 or older. The average household size was 2.36 and the average family size was 3.12. The age distribution was 27.3% under the age of 18, 6.1% from 18 to 24, 22.4% from 25 to 44, 18.3% from 45 to 64, and 25.9% 65 or older. The median age was 40 years. For every 100 females, there were 96.4 males. For every 100 females age 18 and over, there were 88.0 males. The median household income was $33,365, and the median family income was $43,897. Males had a median income of $30,848 versus $18,452 for females. The per capita income for the city was $16,133. About 1.7% of families and 6.2% of the population were below the poverty line, including 2.0% of those under age 18 and 11.1% of those age 65 or over.
