Alden Flag

Alden

County Seat:
No
Area (mi²):
0.126
State:
Illinois

Alden is a CDPlocated in McHenry County, Illinois. Alden has a 2026 population of 44. Alden is currently growing at a rate of 4.76% annually but its population has decreased by -73.65% since the most recent census, which recorded a population of 167 in 2020.

The median age in Alden is 67.9 years: 68.6 years for males, and 67.6 years for females. For every 100 females there are 108.7 males.

44
Total Population
350
Density (mi²)
2 4.76%
Growth

Alden Population

Alden Population

Year↓
Population
Growth
Annual Change
20264424.76%
20254237.69%
202336-132-78.57%
2022168-20-10.64%
20211882112.57%
202016700%

Median Age

Overall:67.9 years
Female:67.6 years
Male:68.6 years

Alden Adults

There are 48 adults, (32 of whom are seniors) in Alden.

Sex Ratio

Female: 23 (47.9%)
Male: 25 (52.1%)

Demographics

The racial composition of Alden includes 79.17% White, 20.83% other race, and smaller percentages for and multiracial populations.

Population by Race

Race
Population↓
Percentage (of total)
White3879.17%
Other race1020.83%
Race
Population↓
Percentage (of total)
White3879.17%
Other race1020.83%

Alden Marital Status

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)