Mayfield township Flag

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 2026 population of 910. Mayfield township is currently growing at a rate of 0.33% annually and its population has decreased by 0% since the most recent census, which recorded a population of 910 in 2020.

The median household income in Mayfield township is $113,375 with a poverty rate of 4.94%. The median age in Mayfield township is 37.3 years: 38.2 years for males, and 34.5 years for females. For every 100 females there are 99.3 males.

910
Total Population
26
Density (mi²)
3 0.33%
Growth

Mayfield township Population

Mayfield township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202691030.33%
202590730.33%
202490430.33%
2023901-4-0.44%
2022905-5-0.55%
202191000%
2020910-2-0.22%
201993940.43%
2018935-1-0.11%
201793650.54%
201693110.11%
2015930-1-0.11%
201493160.65%
201392510.11%
201292420.22%
2011922-7-0.75%
2010927-1-0.11%

Median Age

Overall: 37.3 years
Female: 34.5 years
Male: 38.2 years

Mayfield township Adults

There are 700 adults, (137 of whom are seniors) in Mayfield township.

Sex Ratio

Female: 427 (50.2%)
Male: 424 (49.8%)

Demographics

The racial composition of Mayfield township includes 91.89% White, 4.7% Black or African American, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White78291.89%
Black or African American404.7%
Two or more races293.41%
Race
Population ↓
Percentage (of total)
Two or more races293.41%
Black or African American212.47%
Race
Population ↓
Percentage (of total)
White78291.89%
Black or African American192.23%

Mayfield township Marital Status

Economics and Income Statistics

Mayfield township 's average per capita income is $70,972. Household income levels show a median of $113,375. The poverty rate stands at 4.94%.

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$153,403-
Families$153,125$174,673
Households$113,375$148,313
Non Families$46,250$44,984

$70,972

Average Income

$113,375

Median Household Income

4.94%

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)