Griswold is a city in Cass County, Iowa, United States. The population was 994 at the time of the 2020 census. History The town was named for J. N. A. Griswold, a railroad director. Geography Griswold is located at (41.2354, -95.1406). 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 1,036 people, 445 households, and 278 families living in the city. The population density was . There were 507 housing units at an average density of . The racial makeup of the city was 97.5% White, 1.0% African American, 0.3% Native American, 0.1% Asian, 0.3% from other races, and 0.9% from two or more races. Hispanic or Latino of any race were 1.1% of the population. There were 445 households, of which 27.9% had children under the age of 18 living with them, 50.1% were married couples living together, 8.3% had a female householder with no husband present, 4.0% had a male householder with no wife present, and 37.5% were non-families. 33.0% of all households were made up of individuals, and 17.7% had someone living alone who was 65 years of age or older. The average household size was 2.25 and the average family size was 2.85. The median age in the city was 44.9 years. 23.7% of residents were under the age of 18; 5.7% were between the ages of 18 and 24; 20.8% were from 25 to 44; 25.2% were from 45 to 64; and 24.7% were 65 years of age or older. The gender makeup of the city was 45.7% male and 54.3% female. 2000 census As of the census of 2000, there were 1,039 people, 440 households, and 282 families living in the city. The population density was . There were 491 housing units at an average density of . The racial makeup of the city was 99.04% White, 0.19% Native American, 0.10% Pacific Islander, 0.38% from other races, and 0.29% from two or more races. Hispanic or Latino of any race were 1.35% of the population. There were 440 households, out of which 25.7% had children under the age of 18 living with them, 54.3% were married couples living together, 6.1% had a female householder with no husband present, and 35.9% were non-families. 31.4% of all households were made up of individuals, and 18.6% had someone