Chatham is a village located in Sangamon County, Illinois. Chatham has a 2025 population of 14,597. Chatham is currently growing at a rate of 0.25% annually and its population has increased by 1.26% since the most recent census, which recorded a population of 14,416 in 2020.
The average household income in Chatham is $121,600 with a poverty rate of 3.68%.The median age in Chatham is 35.1 years: 37.7 years for males, and 31.8 years for females.
Data after 2023 is projected based on recent change
The racial composition of Chatham includes 90.23% White, and smaller percentages for Asian, Black or African American, other race, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
---|---|---|
White | 13,300 | 90.23% |
Two or more races | 584 | 3.96% |
Asian | 374 | 2.54% |
Black or African American | 334 | 2.27% |
Other race | 133 | 0.9% |
Native Hawaiian or Pacific Islander | 15 | 0.1% |
Married
Widowed
Divorced
Separated
Never Married
Chatham's average per capita income is $67,687. Household income levels show a median of $106,030. The poverty rate stands at 3.68%.
Name | Median | Mean |
---|---|---|
Married Families | $140,744 | - |
Families | $132,575 | $150,793 |
Households | $106,030 | $121,600 |
Non Families | $59,067 | $63,562 |
Average Income
Median Household Income
Poverty Rate