Sangamon is located in Piatt County, Illinois. Sangamon has a 2025 population of 2,488 . Sangamon is currently declining at a rate of -0.56% annually and its population has decreased by -0.64% since the most recent census, which recorded a population of 2,504 in 2020.
The average household income in Sangamon is $155,256 with a poverty rate of 2.61%. The median age in Sangamon is 42.9 years: 39.6 years for males, and 50.2 years for females. For every 100 females there are 139.8 males.
Data after 2023 is projected based on recent change
The racial composition of Sangamon includes 90.03% White, 6.58% Black or African American, and smaller percentages for Asian and multiracial populations.
White (90.03%)
Black or African American (6.58%)
Two or more races (3.27%)
Asian (0.12%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 2,258 | 90.03% |
| Black or African American | 165 | 6.58% |
| Two or more races | 82 | 3.27% |
| Asian | 3 | 0.12% |
Married
Widowed
Divorced
Separated
Never Married
Sangamon's average per capita income is $59,167. Household income levels show a median of $109,688. The poverty rate stands at 2.61%.
Name | Median | Mean |
|---|---|---|
| Married Families | $137,083 | - |
| Families | $135,208 | $194,201 |
| Households | $109,688 | $155,256 |
| Non Families | - | $57,679 |
Average Income
Median Household Income
Poverty Rate