Nodaway is a city in Nodaway Township, Adams County, Iowa, United States. The population was 74 at the time of the 2020 census. Nodaway was incorporated in 1900. History Nodaway was a shipping point on the Chicago, Burlington and Quincy Railroad. Geography Nodaway is located at (40.937486, -94.894207). According to the United States Census Bureau, the city has a total area of , all land. Demographics 2010 census At the 2010 census there were 114 people in 47 households, including 31 families, in the city. The population density was . There were 62 housing units at an average density of . The racial makup of the city was 98.2% White and 1.8% from two or more races. Of the 47 households 27.7% had children under the age of 18 living with them, 51.1% were married couples living together, 8.5% had a female householder with no husband present, 6.4% had a male householder with no wife present, and 34.0% were non-families. 29.8% of households were one person and 10.6% were one person aged 65 or older. The average household size was 2.43 and the average family size was 3.00. The median age was 39 years. 27.2% of residents were under the age of 18; 4.4% were between the ages of 18 and 24; 21.2% were from 25 to 44; 29% were from 45 to 64; and 18.4% were 65 or older. The gender makeup of the city was 50.0% male and 50.0% female. 2000 census As of the census of 2000, there were 132 people in 58 households, including 38 families, in the city. The population density was . There were 70 housing units at an average density of . The racial makup of the city was 100.00% White. Of the 58 households 29.3% had children under the age of 18 living with them, 56.9% were married couples living together, 6.9% had a female householder with no husband present, and 32.8% were non-families. 29.3% of households were one person and 22.4% were one person aged 65 or older. The average household size was 2.28 and the average family size was 2.77. Age spread: 22.0% under the age of 18, 5.3% from 18 to 24, 18.2% from 25 to 44, 31.8% from 45 to 64, and 22.7% 65 or older. The median age was 48 years. For every 100 females, there were 94.1 males. For every 100 females age 18 and over,