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 2026 population of 30,969. Algonquin is currently growing at a rate of 0.7% annually and its population has increased by 4.35% since the most recent census, which recorded a population of 29,679 in 2020.

The median household income in Algonquin is $134,525 with a poverty rate of 4.14%. The median age in Algonquin is 41.4 years: 41 years for males, and 41.8 years for females. For every 100 females there are 100.7 males.

31K
Total Population
2,470
Density (mi²)
215 0.7%
Growth

Algonquin Population

Algonquin Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202630,9692150.7%
202530,7542150.7%
202430,5393271.08%
202330,2122390.8%
202229,973-5-0.02%
202129,9782991.01%
202029,679-29-0.1%
201930,871160.05%
201830,855-38-0.12%
201730,89390.03%
201630,8844191.38%
201530,4651420.47%
201430,323-66-0.22%
201330,3894351.45%
201229,954-77-0.26%
201130,031-48-0.16%
201030,079330.11%
200023,27611,61399.57%
199011,6635,82999.91%
19805,8342,31965.97%
19703,51500%

Median Age

Overall: 41.4 years
Female: 41.8 years
Male: 41 years

Algonquin Adults

There are 23,815 adults, (4,502 of whom are seniors) in Algonquin.

Sex Ratio

Female: 14,979 (49.8%)
Male: 15,088 (50.2%)

Demographics

The racial composition of Algonquin includes 75.95% White, 6.14% other race, 5.27% Asian, and smaller percentages for Black or African American, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White22,83775.95%
Two or more races2,7189.04%
Other race1,8456.14%
Asian1,5865.27%
Black or African American8412.8%
Native American2400.8%
Race
Population ↓
Percentage (of total)
Other race1,8015.99%
Two or more races1,6795.58%
White9703.23%
Native American2180.73%
Black or African American90.03%
Asian50.02%
Race
Population ↓
Percentage (of total)
White21,86772.73%
Asian1,5815.26%
Two or more races1,0393.46%
Black or African American8322.77%
Other race440.15%
Native American220.07%

Algonquin Marital Status

Economics and Income Statistics

Algonquin 's average per capita income is $72,314. Household income levels show a median of $134,525. The poverty rate stands at 4.14%.

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$158,575-
Families$150,317$163,625
Households$134,525$148,606
Non Families$72,585$85,464

$72,314

Average Income

$134,525

Median Household Income

4.14%

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)