Mayfield township

County:: DeKalb County
County Seat:: No
Area (mi²):: 34.928
State:: Illinois

Mayfield township is located in DeKalb County, Illinois. Mayfield township has a 2025 population of 887. Mayfield township is currently declining at a rate of -0.56% annually and its population has decreased by -2.42% since the most recent census, which recorded a population of 909 in 2020.

The average household income in Mayfield township is $118,385 with a poverty rate of 6.85%.The median age in Mayfield township is 37.1 years: 37.2 years for males, and 37 years for females.

Demographics

The racial composition of Mayfield township includes 89.49% White, 4.78% Black or African American, and smaller percentages for and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	562	89.49%
Two or more races	36	5.73%
Black or African American	30	4.78%

Mayfield township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Mayfield township's average per capita income is $51,705. Household income levels show a median of $90,250. The poverty rate stands at 6.85%.

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	$114,423	-
Families	$113,269	$145,387
Households	$90,250	$118,385
Non Families	$50,917	$56,681

$51,705

Average Income

$90,250

Median Household Income

6.85%

Poverty Rate