Diamond is a village located in Grundy County, Illinois. Diamond has a 2025 population of 2,719 . Diamond is currently growing at a rate of 0.63% annually and its population has increased by 3.31% since the most recent census, which recorded a population of 2,632 in 2020.
The average household income in Diamond is $86,824 with a poverty rate of 14.14%. The median age in Diamond is 36.2 years: 30.9 years for males, and 37.4 years for females. For every 100 females there are 91.3 males.
Data after 2023 is projected based on recent change
The racial composition of Diamond includes 95.97% White, and smaller percentages for other race, Black or African American and multiracial populations.
White (95.97%)
Two or more races (3.1%)
Other race (0.79%)
Black or African American (0.14%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 2,783 | 95.97% |
| Two or more races | 90 | 3.1% |
| Other race | 23 | 0.79% |
| Black or African American | 4 | 0.14% |
Married
Widowed
Divorced
Separated
Never Married
Diamond's average per capita income is $45,594. Household income levels show a median of $60,000. The poverty rate stands at 14.14%.
Name | Median | Mean |
|---|---|---|
| Married Families | $135,000 | - |
| Families | $101,848 | $109,250 |
| Households | $60,000 | $86,824 |
| Non Families | $38,786 | $43,738 |
Average Income
Median Household Income
Poverty Rate