Algonquin township Flag

Algonquin township

County:
McHenry County
County Seat:
No
Area (mi²):
46.491
State:
Illinois

Algonquin township is located in McHenry County, Illinois. Algonquin township has a 2026 population of 90,237. Algonquin township is currently growing at a rate of 0.74% annually and its population has increased by 3.09% since the most recent census, which recorded a population of 87,531 in 2020.

The median household income in Algonquin township is $110,071 with a poverty rate of 6.05%. The median age in Algonquin township is 39.4 years: 38.4 years for males, and 40.4 years for females. For every 100 females there are 99.2 males.

90.2K
Total Population
1,941
Density (mi²)
661 0.74%
Growth

Algonquin township Population

Algonquin township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202690,2376610.74%
202589,5766610.74%
202488,9156610.75%
202388,2544490.51%
202287,805-197-0.22%
202188,0024710.54%
202087,531-112-0.13%
201987,273-7-0.01%
201887,280-137-0.16%
201787,417-33-0.04%
201687,450-125-0.14%
201587,575-47-0.05%
201487,622-159-0.18%
201387,781-165-0.19%
201287,946-219-0.25%
201188,165-224-0.25%
201088,513310.04%

Median Age

Overall: 39.4 years
Female: 40.4 years
Male: 38.4 years

Algonquin township Adults

There are 68,073 adults, (12,867 of whom are seniors) in Algonquin township.

Sex Ratio

Female: 44,226 (50.2%)
Male: 43,882 (49.8%)

Demographics

The racial composition of Algonquin township includes 78.95% White, 6.34% other race, and smaller percentages for Asian, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White69,56078.95%
Two or more races8,6519.82%
Other race5,5826.34%
Asian2,6132.97%
Black or African American1,3071.48%
Native American3840.44%
Native Hawaiian or Pacific Islander110.01%
Race
Population ↓
Percentage (of total)
Other race5,3156.03%
Two or more races5,1545.85%
White2,8183.2%
Native American3140.36%
Asian1410.16%
Black or African American460.05%
Native Hawaiian or Pacific Islander110.01%
Race
Population ↓
Percentage (of total)
White66,74275.75%
Two or more races3,4973.97%
Asian2,4722.81%
Black or African American1,2611.43%
Other race2670.3%
Native American700.08%

Algonquin township Marital Status

Economics and Income Statistics

Algonquin township 's average per capita income is $61,549. Household income levels show a median of $110,071. The poverty rate stands at 6.05%.

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$139,599-
Families$127,202$150,094
Households$110,071$132,993
Non Families$59,857$77,385

$61,549

Average Income

$110,071

Median Household Income

6.05%

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)