Fostoria is a city in Clay County, Iowa, United States. The population was 230 in the 2020 census, unchanged from the 2000. Geography Fostoria's longitude and latitude coordinatesin decimal form are 43.241539, -95.155039. According to the United States Census Bureau, the city has a total area of , all land. Demographics 2010 census As of the census of 2010, there were 231 people, 87 households, and 63 families residing in the city. The population density was . There were 94 housing units at an average density of . The racial makeup of the city was 96.5% White, 0.4% Asian, 0.9% from other races, and 2.2% from two or more races. Hispanic or Latino of any race were 2.6% of the population. There were 87 households, of which 36.8% had children under the age of 18 living with them, 57.5% were married couples living together, 8.0% had a female householder with no husband present, 6.9% had a male householder with no wife present, and 27.6% were non-families. 20.7% of all households were made up of individuals, and 6.9% had someone living alone who was 65 years of age or older. The average household size was 2.66 and the average family size was 3.14. The median age in the city was 39.3 years. 28.6% of residents were under the age of 18; 3% were between the ages of 18 and 24; 27.8% were from 25 to 44; 30.8% were from 45 to 64; and 10% were 65 years of age or older. The gender makeup of the city was 51.1% male and 48.9% female. 2000 census As of the census of 2000, there were 230 people, 95 households, and 70 families residing in the city. The population density was . There were 97 housing units at an average density of . The racial makeup of the city was 96.96% White, 0.43% African American, 0.87% Asian, 0.43% from other races, and 1.30% from two or more races. Hispanic or Latino of any race were 0.87% of the population. There were 95 households, out of which 36.8% had children under the age of 18 living with them, 60.0% were married couples living together, 9.5% had a female householder with no husband present, and 26.3% were non-families. 20.0% of all households were made up of individuals, and 6.3% had someone living alone who was 65 years of age or older. The average household size was