Cornwall is located in Henry County, Illinois. Cornwall has a 2025 population of 255. Cornwall is currently declining at a rate of 0% annually and its population has decreased by -1.16% since the most recent census, which recorded a population of 258 in 2020.
The average household income in Cornwall is $134,890 with a poverty rate of 2.11%. The median age in Cornwall is 41.5 years: 41.2 years for males, and 43.2 years for females.
Data after 2023 is projected based on recent change
The racial composition of Cornwall includes 100% White, and smaller percentages for and multiracial populations.
White (100.0%)
Race | Population | Percentage (of total) |
---|---|---|
White | 331 | 100% |
Married
Widowed
Divorced
Separated
Never Married
Cornwall's average per capita income is $87,784. Household income levels show a median of $107,679. The poverty rate stands at 2.11%.
Name | Median | Mean |
---|---|---|
Families | $109,911 | $157,363 |
Married Families | $109,911 | - |
Households | $107,679 | $134,890 |
Non Families | - | - |
Average Income
Median Household Income
Poverty Rate