Algonquin Flag

Algonquin

County:
McHenry County
County Seat:
No
Area (mi²):
12.539
State:
Illinois

Algonquin is a village located in McHenry County, Illinois. Algonquin has a 2025 population of 30,439. Algonquin is currently growing at a rate of 0.51% annually and its population has increased by 2.57% since the most recent census, which recorded a population of 29,676 in 2020.

The average household income in Algonquin is $146,691 with a poverty rate of 4.51%.The median age in Algonquin is 41.3 years: 40.7 years for males, and 41.8 years for females.

30.4K
Total Population
2,428
Density (mi²)
153 0.51%
Growth

Algonquin Population

Algonquin Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Algonquin includes 79.44% White, 5.59% Asian, 3.96% other race, and smaller percentages for Black or African American, Native American and multiracial populations.

Population by Race

White (79.4%)

Two or more races (7.9%)

Asian (5.6%)

Other race (4.0%)

Black or African American (2.2%)

Native American (0.9%)

Race
Population
Percentage (of total)
White23,75679.44%
Two or more races2,3577.88%
Asian1,6715.59%
Other race1,1843.96%
Black or African American6662.23%
Native American2700.9%

Algonquin Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Algonquin's average per capita income is $71,438. Household income levels show a median of $131,753. The poverty rate stands at 4.51%.

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$154,455-
Families$147,158$159,669
Households$131,753$146,691
Non Families$71,348$89,326

$71,438

Average Income

$131,753

Median Household Income

4.51%

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)