Griggsville township is located in Pike County, Illinois. Griggsville township has a 2026 population of 1,225. Griggsville township is currently declining at a rate of -0.89% annually and its population has decreased by -5.19% since the most recent census, which recorded a population of 1,292 in 2020.
The median household income in Griggsville township is $43,750 with a poverty rate of 20.43%. The median age in Griggsville township is 42.8 years: 40.5 years for males, and 43.3 years for females. For every 100 females there are 109.3 males.
Data after 2023 is projected based on recent change
Overall: 42.8 years
Female: 43.3 years
Male: 40.5 years
There are 1,159 adults, (303 of whom are seniors) in Griggsville township.
Female: 744 (47.8%)
Male: 813 (52.2%)
The racial composition of Griggsville township includes 91.65% White, 4.43% other race, and smaller percentages for Black or African American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 1,427 | 91.65% |
| Other race | 69 | 4.43% |
| Two or more races | 48 | 3.08% |
| Black or African American | 13 | 0.83% |
Griggsville township 's average per capita income is $44,858. Household income levels show a median of $43,750. The poverty rate stands at 20.43%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $81,364 | - |
| Families | $47,177 | $68,003 |
| Households | $43,750 | $58,951 |
| Non Families | $20,833 | $32,779 |
Average Income
Median Household Income
Poverty Rate