Northfield Flag

Northfield

County:
Cook County
County Seat:
No
Area (mi²):
3.23
State:
Illinois

Northfield is a village located in Cook County, Illinois. Northfield has a 2025 population of 5,596 . Northfield is currently declining at a rate of -0.52% annually and its population has decreased by -2.53% since the most recent census, which recorded a population of 5,741 in 2020.

The average household income in Northfield is $281,510 with a poverty rate of 5.22%. The median age in Northfield is 50.5 years: 49.6 years for males, and 51.1 years for females. For every 100 females there are 86.3 males.

5.6K
Total Population
1,732
Density (mi²)
-29 -0.52%
Growth

Northfield Population

Northfield Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Northfield includes 86.03% White, 8.59% Asian, and smaller percentages for other race, Black or African American and multiracial populations.

Population by Race

White (86.03%)

Asian (8.59%)

Two or more races (3.71%)

Other race (1.44%)

Black or African American (0.23%)

Race
Population
Percentage (of total)
White4,88986.03%
Asian4888.59%
Two or more races2113.71%
Other race821.44%
Black or African American130.23%

Northfield Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Northfield's average per capita income is $116,445. Household income levels show a median of $180,492. The poverty rate stands at 5.22%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$250,001-
Families$249,500$348,478
Households$180,492$281,510
Non Families$57,054$101,213

$116,445

Average Income

$180,492

Median Household Income

5.22%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)