Griggsville is a city in Pike County, Illinois, United States. The population was 1,226 at the 2010 census. Geography The community is in northeast Pike County approximately four miles west of the Illinois River. Pittsfield lies about seven miles to the southwest along Illinois Route 107. According to the 2010 census, Griggsville has a total area of , all land. History Griggsville was named for its founder, Richard Griggs. Demographics As of the census of 2000, there were 1,258 people, 500 households, and 360 families residing in the city. The population density was . There were 548 housing units at an average density of . The racial makeup of the city was 99.21% White, 0.16% African American, 0.08% Asian, 0.24% from other races, and 0.32% from two or more races. Hispanic or Latino of any race were 0.24% of the population. There were 500 households, out of which 36.2% had children under the age of 18 living with them, 58.2% were married couples living together, 10.2% had a female householder with no husband present, and 27.8% were non-families. 24.2% of all households were made up of individuals, and 12.0% had someone living alone who was 65 years of age or older. The average household size was 2.49 and the average family size was 2.92. In the city, the population was spread out, with 27.9% under the age of 18, 6.6% from 18 to 24, 26.9% from 25 to 44, 22.1% from 45 to 64, and 16.5% who were 65 years of age or older. The median age was 37 years. For every 100 females, there were 92.6 males. For every 100 females age 18 and over, there were 88.2 males. The median income for a household in the city was $31,875, and the median income for a family was $36,071. Males had a median income of $27,454 versus $18,182 for females. The per capita income for the city was $14,578. About 10.2% of families and 12.3% of the population were below the poverty line, including 15.3% of those under age 18 and 10.8% of those age 65 or over. Events Griggsville hosts an Apple Festival on the third weekend of each September, along with the Western Illinois Fair, traditionally held during the third week of June. The Western Illinois Fair, in its 120th year, is one of the oldest fairs in the state of Illinois. Purple martins Griggsville is located