Richland Grove township is located in Mercer County, Illinois. Richland Grove township has a 2026 population of 2,271. Richland Grove township is currently declining at a rate of -0.83% annually and its population has decreased by -1.6% since the most recent census, which recorded a population of 2,308 in 2020.
The median household income in Richland Grove township is $102,788 with a poverty rate of 9.54%. The median age in Richland Grove township is 47.5 years: 45.7 years for males, and 48.7 years for females. For every 100 females there are 110.8 males.
Data after 2023 is projected based on recent change
The racial composition of Richland Grove township includes 94.78% White, and smaller percentages for other race, Two or more races, Native American and multiracial populations.
White (94.78%)
Other race (2.47%)
Two or more races (2.23%)
Native American (0.52%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 1,998 | 94.78% |
| Other race | 52 | 2.47% |
| Two or more races | 47 | 2.23% |
| Native American | 11 | 0.52% |
Married
Widowed
Divorced
Separated
Never Married
Richland Grove township's average per capita income is $55,644. Household income levels show a median of $102,788. The poverty rate stands at 9.54%.
Name | Median | Mean |
|---|---|---|
| Married Families | $121,918 | - |
| Families | $120,717 | $123,333 |
| Households | $102,788 | $108,382 |
| Non Families | $47,333 | $59,231 |
Average Income
Median Household Income
Poverty Rate