Alden township Flag

Alden township

County:
McHenry County
County Seat:
No
Area (mi²):
33.204
State:
Illinois

Alden township is located in McHenry County, Illinois. Alden township has a 2026 population of 1,251. Alden township is currently declining at a rate of -0.32% annually and its population has decreased by -1.26% since the most recent census, which recorded a population of 1,267 in 2020.

The median household income in Alden township is $102,710 with a poverty rate of 13.91%. The median age in Alden township is 53.2 years: 52.3 years for males, and 58.2 years for females. For every 100 females there are 98.9 males.

1.3K
Total Population
38
Density (mi²)
-4 -0.32%
Growth

Alden township Population

Alden township Population

Year ↓
Population
Growth
Annual Change
20261,251-4-0.32%
20251,255-4-0.32%
20241,259-1-0.08%
20231,260-1-0.08%
20221,261-9-0.71%
20211,27030.24%
20201,267-3-0.24%
20191,353-7-0.51%
20181,360-2-0.15%
20171,362-1-0.07%
20161,363-6-0.44%
20151,369-4-0.29%
20141,373-7-0.51%
20131,380-9-0.65%
20121,389-7-0.5%
20111,396-6-0.43%
20101,40110.07%

Median Age

Overall: 53.2 years
Female: 58.2 years
Male: 52.3 years

Alden township Adults

There are 1,220 adults, (379 of whom are seniors) in Alden township.

Sex Ratio

Female: 755 (50.3%)
Male: 747 (49.7%)

Demographics

The racial composition of Alden township includes 89.88% White, and smaller percentages for other race and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White1,35089.88%
Two or more races1429.45%
Other race100.67%
Race
Population ↓
Percentage (of total)
Two or more races1429.45%
White322.13%
Race
Population ↓
Percentage (of total)
White1,31887.75%
Other race100.67%

Alden township Marital Status

Economics and Income Statistics

Alden township's average per capita income is $49,836. Household income levels show a median of $102,710. The poverty rate stands at 13.91%.

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$103,927-
Families$103,330$106,606
Households$102,710$100,357
Non Families$66,094$72,243

$49,836

Average Income

$102,710

Median Household Income

13.91%

Poverty Rate

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)