Northfield township is located in Cook County, Illinois. Northfield township has a 2025 population of 87,245. Northfield township is currently declining at a rate of -0.51% annually and its population has decreased by -4.4% since the most recent census, which recorded a population of 91,256 in 2020.
The average household income in Northfield township is $202,501 with a poverty rate of 6.93%.The median age in Northfield township is 46.9 years: 45.6 years for males, and 48.5 years for females.
Data after 2023 is projected based on recent change
The racial composition of Northfield township includes 71.17% White, 18.12% Asian, and smaller percentages for Black or African American, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
---|---|---|
White | 63,892 | 71.17% |
Asian | 16,263 | 18.12% |
Two or more races | 5,391 | 6% |
Black or African American | 2,043 | 2.28% |
Other race | 2,032 | 2.26% |
Native American | 142 | 0.16% |
Native Hawaiian or Pacific Islander | 13 | 0.01% |
Married
Widowed
Divorced
Separated
Never Married
Northfield township's average per capita income is $82,327. Household income levels show a median of $135,041. The poverty rate stands at 6.93%.
Name | Median | Mean |
---|---|---|
Married Families | $205,125 | - |
Families | $185,052 | $245,621 |
Households | $135,041 | $202,501 |
Non Families | $57,712 | $88,964 |
Average Income
Median Household Income
Poverty Rate