Alpha Flag

Alpha

County:
Henry County
County Seat:
No
Area (mi²):
0.311
State:
Illinois

Alpha is a village located in Henry County, Illinois. Alpha has a 2026 population of 644. Alpha is currently declining at a rate of -0.62% annually and its population has decreased by -3.88% since the most recent census, which recorded a population of 670 in 2020.

The median household income in Alpha is $77,639 with a poverty rate of 1.58%. The median age in Alpha is 45.6 years: 45 years for males, and 46.1 years for females. For every 100 females there are 138.1 males.

644
Total Population
2,072
Density (mi²)
-4 -0.62%
Growth

Alpha Population

Alpha Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026644-4-0.62%
2025648-5-0.77%
2024653-2-0.31%
2023655-5-0.76%
2022660-5-0.75%
2021665-5-0.75%
2020670-2-0.3%
2019636-4-0.62%
2018640-1-0.16%
2017641-6-0.93%
2016647-4-0.61%
2015651-3-0.46%
2014654-3-0.46%
2013657-7-1.05%
2012664-1-0.15%
2011665-6-0.89%
201066900%

Median Age

Overall: 45.6 years
Female: 46.1 years
Male: 45 years

Alpha Adults

There are 624 adults, (181 of whom are seniors) in Alpha.

Sex Ratio

Female: 349 (42%)
Male: 482 (58%)

Demographics

The racial composition of Alpha includes 83.51% White, and smaller percentages for Black or African American, Asian and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White69483.51%
Two or more races13316%
Black or African American20.24%
Asian20.24%
Race
Population ↓
Percentage (of total)
Two or more races657.82%
White60.72%
Race
Population ↓
Percentage (of total)
White68882.79%
Two or more races688.18%
Black or African American20.24%
Asian20.24%

Alpha Marital Status

Economics and Income Statistics

Alpha 's average per capita income is $47,250. Household income levels show a median of $77,639. The poverty rate stands at 1.58%.

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$87,143-
Families$83,750$119,858
Households$77,639$100,938
Non Families$47,500$59,972

$47,250

Average Income

$77,639

Median Household Income

1.58%

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)