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Alpha, IL

Village in Henry County, IL, US
Last updated
Key Indicators
A quick look at key numbers

Population

831
Source: U.S. Census Bureau American Community Survey (ACS) 2020-2024 5-Year Estimates

Median Age

45.6
years ∙ half population younger than 45.6, half older

Diversity Index

Low High
30%
chance two random people differ in race and ethnicity

Nativity

0.2%
foreign-born population
99.8%Native
0.2% Foreign-born

Geographic Context

Location, size, and surroundings

About

Alpha is a village within Henry County, Illinois, United States.
Location
Village in Henry County, IL, US
Co-ordinates
DEC41.191663° N, 90.380466° W
DMS41° 11′ 29.99″ N, 90° 22′ 49.68″ W

Population Density & area

2,672/sq mi (1,032/km²)
Total Area
0.311 sq mi (0.805 km²)
Land Area
0.311 sq mi (0.805 km²) · 100%
Water Area
0 sq mi (0 km²) · 0%

Demographics & Living

Who lives here, how households are formed, and community composition

Population Composition

Key characteristics of the population

Sex Distribution

58% male
Male 58%
Female 42%
males per 100 females
Alpha 138.1
Henry County 99.1
Illinois 97.7

Nativity

0.2%
foreign-born population
99.8%Native
0.2% Foreign-born
% Foreign-born
Alpha 0.2%
Henry County 1.7%
Illinois 14.7%
Age Distribution
How the population is spread across age groups

Median Age

45.6
years ∙ half population younger than 45.6, half older
Alpha
45.6
Henry County
43.6
Illinois
39

Dependency ratio

Low High
87.6
dependents per 100 working-age adults
Alpha 87.6
Henry County 76.7
Illinois 63.5

AGE DISTRIBUTION

Distribution of age group
Median age
Alpha Henry County Illinois
Age Group
Children (Under 18) 24.9% 21.6% 21.8%
Working age (18-64) 53.3% 56.6% 61.2%
Senior (65+) 21.8% 21.8% 17%
Dependency ratio
Total dependency ratio 87.6 76.7 63.5
Child dependency ratio 46.7 38.2 35.7
Old-age dependency ratio 40.9 38.5 27.8
Racial & Ethnic Composition
Racial and ethnic makeup and how it compares

Race & Ethnicity

White
82.8%
Black
0.2%
Asian
0.2%
Hispanic
8.5%
Other
8.3%
Note: White, Black, and Asian refer to individuals belonging to a single race and not of Hispanic origin. Hispanics may be of any race.

Diversity Index

Low High
30%
chance two random people differ in race and ethnicity
Alpha 30%
Henry County 23.7%
Illinois 60.5%
Note: The Diversity Index (DI), based on the Blau Index, measures the probability that two randomly selected individuals differ in race and ethnicity. Values range from 0 (no diversity) to 1 (high diversity) and are shown as percentages.

RACIAL & ETHNIC COMPOSITION

Race & Ethnicity
Percentage of Alpha population
Racial and ethnic composition — Alpha vs Henry County vs Illinois. Source: ACS 2020-2024 5-Year Estimates.
Alpha Henry County Illinois
Hispanic or Latino 8.5% 6.9% 18.8%
Mexican 7.5% 5.9% 14.4%
Puerto Rican 1.1% 0.6% 1.6%
Cuban 0% 0% 0.3%
Other Hispanic / Latino 0% 0.5% 2.5%
Not Hispanic or Latino 91.5% 93.1% 81.2%
One race 83.3% 89.1% 77.8%
White 82.8% 87% 58.1%
Black or African American 0.2% 1% 13.3%
American Indian and Alaska Native 0% 0% 0.1%
Asian 0.2% 0.5% 5.9%
Native Hawaiian and Other Pacific Islander 0% 0% 0%
Some Other Race 0% 0.6% 0.4%
Two or more races (Multiracial) 8.2% 4% 3.4%
Household & Families Composition
Household size, type, and family structure

Household structure

67.6% family
Family 67.6%
Non family 32.4%
% family households
Alpha 67.6%
Henry County 65.8%
Illinois 62.2%

Average household size

2.59
persons per household
Alpha
2.59
Henry County
2.36
Illinois
2.46

Household & Family COMPOSITION

Households
Percentage of Alpha population
Alpha Henry County Illinois
Total households 321 20,272 5,036,449
Average houshold size 2.59 2.36 2.46
Family households 217 13,342 3,130,978
Average family size 3.23 2.91 3.14
Married couple family 172 10,297 2,282,435
Other families 45 3,045 848,543
Male householder 29 963 248,521
Female householder 16 2,082 600,022
Non-family households 104 6,930 1,905,471
One-person households 97 5,917 1,569,881
Male householder 69 3,068 712,191
Senior (65+) living alone 13 1,136 210,051
Female householder 28 2,849 857,690
Senior (65+) living alone 19 1,896 417,870
Other living arrangements 7 1,013 335,590

Housing Profile

Housing stock, ownership, rentals, and cost burdens

Total housing units

344
housing units
Alpha 344
Henry County 22,210
Illinois 5,457,452

Occupancy status

93.3% occupied
Occupied 93.3%
Vacant 6.7%
vacancy rate
Alpha 6.7%
Henry County 8.7%
Illinois 7.7%
Housing Characteristics
How the housing supply is structured and used

Types of Housing unit

94.2%
Single family houses
Single family houses
94.2%
Apartments in multi-unit structures
0.9%
Mobile homes
4.9%
Boat, RV, van, etc
0%

Median Year Built

1962
Half of houses were built before 1962, and half after.
Historic ∙ 1939 or earlier
25.6%
Postwar & mid-century ∙ 1940 - 1969
40.7%
Late 20th century ∙ 1970 - 1999
28.3%
Modern ∙ 2000 or later
5.5%
Note: Median year built reflects occupied units only; distribution includes all units.

Housing Characteristics

Units, rooms & bedrooms
Physical characteristics of housing units
Alpha Henry County Illinois
Rooms per unit
Median rooms 6 6.2 5.6
1–3 rooms 3.5% 5.9% 14.6%
4–6 rooms 55.8% 49.7% 50.9%
7+ rooms 40.7% 44.3% 34.6%
Bedrooms
No bedroom / studio 0% 1.2% 3.1%
1 bedroom 3.2% 6.6% 11.5%
2 bedrooms 32.8% 24.2% 27.7%
3 bedrooms 48.5% 46.2% 35.8%
4+ bedrooms 15.4% 21.8% 21.7%
At a glance
Median year built 1962 1961 1971
Total housing units 344 22,210 5,457,452
Occupancy Profile
Who is inside and how they use it

Homeownership

86.6% owners
Renter-occupied 13.4%
Owner-occupied 86.6%
homeownership rate
Alpha 86.6%
Henry County 79.9%
Illinois 67.1%

Average household size

2.62
Owner-occupied
2.4
Renter-occupied
owner-occupied average size
Alpha 2.62
Henry County 2.43
Illinois 2.62

Housing Characteristics

Occupied unit characteristics
Tenure, crowding, and utilities
Alpha Henry County Illinois
Total occupied units 321 20,272 5,036,449
Year moved in
2020 or later 10.6% 15.5% 23.3%
2010 to 2019 26.2% 35.6% 38.1%
2000 to 2009 25.2% 18.2% 17.3%
1999 or earlier 38% 30.7% 21.3%
Occupants per room
1.00 or fewer 99.7% 99.2% 97.5%
1.01 to 1.50 0% 0.6% 1.6%
1.51 or more 0.3% 0.2% 0.8%
Vehicles availability
No vehicles 4.4% 6.6% 11%
1 vehicle 24.9% 27.7% 35.7%
2 vehicles 43.9% 40.4% 35.1%
3 or more vehicles 26.8% 25.3% 18.3%
House heating fuel used
Gas 89.7% 83.4% 79.5%
Electricity 10.3% 13.9% 18.6%
Solar 0% 0.1% 0.1%
Fuel oil, kerosene etc 0% 0.3% 0.1%
All other fuels 0% 1.2% 0.8%
No fuel used 0% 1% 0.8%
Selected characteristics
Lacking complete plumbing 0% 0.4% 0.3%
Lacking complete kitchen 2.2% 1.1% 0.8%
No telephone service available 2.2% 0.4% 0.8%
Housing Value
What owner-occupied units are worth

Median home value

$111,400
owner-occupied units
Median value(USD)
Alpha
$111,400
Henry County
$151,600
Illinois
$263,300

Housing Cost Burden

8.9%
of homeowners with a mortgage are cost-burdened
% Cost-Burdened Households
Owners with a mortgage
8.9%
Owners without a mortgage
2.1%
Renters
32.6%
Note: Households spending 30% or more of their income on housing costs are considered cost-burdened.

Financial characteristics

Property value and housing costs
Tenure, crowding, and utilities
Alpha Henry County Illinois
Property value
Median Value $111,400 $151,600 $263,300
Under $100,000 41% 31.2% 13.7%
$100,000 - $200,000 46.8% 33.9% 21.5%
$200,000 - $300,000 10.8% 21.3% 22.3%
$300,000 - $500,000 0.7% 10.6% 27.7%
$500,000 - $1,000,000 0% 2.7% 12.1%
$1,000,000 and more 0.7% 0.3% 2.7%
Owner-occupied households
With a mortgage 48.9% 51.8% 60.8%
Without a mortgage 51.1% 48.2% 39.2%
Median monthly owner costs
With a mortgage $1,237 $1,414 $1,987
Without a mortgage $514 $581 $792
Gross rent
Median rent $819 $842 $1,274

Education Profile

How educated is the community and how education pays off

Adults with a college degree

19.7%
of adults 25+ with a bachelor's degree or higher
Alpha 19.7%
Henry County 24.7%
Illinois 37.8%

Adults without a high school diploma

7.5%
of adults (25+) without a high school diploma
Alpha 7.5%
Henry County 7.6%
Illinois 9.6%
School Enrollment
Who is enrolled in school and at what level

School enrollment

148
population (age 3+) enrolled in school
Nursery / Preschool
10.8%
K–12
83.8%
College / Undergraduate
5.4%
Graduate / Professional
0%

College-going rate (18-24 yr olds)

22.9%
of 18-24-year-olds in college or graduate school
Alpha
22.9%
Henry County
32.1%
Illinois
41.4%

Enrollment & school type

Enrollment levels, college-going rate, and public vs private school split
Population 3+ currently enrolled in a school
Alpha Henry County Illinois
Total enrolled (age 3+) 148 10,764 3,051,569
Nursery / preschool 10.8% 8.1% 6.3%
K–12 83.8% 74.7% 67.3%
Kindergarten 0% 6.6% 4.9%
Elementary: Grades 1–4 14.9% 20.3% 19.5%
Elementary: Grades 5–8 32.4% 23.1% 20.8%
High School: Grades 9–12 36.5% 24.7% 22.1%
College or graduate school 5.4% 17.2% 26.4%
College, undergraduate 5.4% 13.5% 19.8%
Graduate, professional school 0% 3.7% 6.6%
College-going rate · 18-24 yr olds 22.9% 32.1% 41.4%
School type
Public school 95.9% 89.4% 80.5%
Private school 4.1% 10.6% 19.5%
Education Attainment by Level & Gender
What is the highest level of education completed among adults

Education attainment

589
population 25 years and over
Total adults (25+)
Less than 9th grade
0%
9th-12th, no diploma
7.5%
HS graduate
28.5%
Some college no degree
25.3%
Associates degree
19%
Bachelors degree
16.6%
Graduate or professional degree
3.1%

Attainment by gender

Male vs Female
Adults (25+) · Share within each education level
* The Census Bureau did not publish education attainment by gender data for Alpha due to an insufficient sample size to produce reliable estimates.
% male · % female
Less than 9th grade
—% · —%
9th-12th, no diploma
72.7% · 27.3%
HS graduate
66.1% · 33.9%
Some college no degree
47% · 53%
Associates degree
55.4% · 44.6%
Bachelors degree
74.5% · 25.5%
Graduate or professional degree
5.6% · 94.4%

Educational Attainment Overview

Distribution and key education attainment rates for adults (25+)
Highest credential completed · adults 25+
Alpha Henry County Illinois
Population (25+) 589 34,788 8,767,004
Less than 9th grade 0% 2.6% 4.6%
9th–12th, no diploma 7.5% 5% 5%
High school diploma or GED 28.5% 33.8% 25.1%
Some college, no degree 25.3% 22.2% 19.2%
Associate's degree 19% 11.6% 8.3%
Bachelor's degree or higher 19.7% 24.7% 37.8%
Bachelor's degree 16.6% 16.8% 22.6%
Graduate or professional 3.1% 8% 15.3%
High School or higher 92.5% 92.4% 90.5%
Earnings by education level
percentage as applicable

Median Earnings

$47,250
Median earnings for adults 25+, by level
Less than HS graduate
$—
HS graduate
$36,477
Some college or associates
$47,273
Bachelors degree
$58,068
Graduate or professional degree
$63,750

Poverty Rate

0%
for ages 25+, with bachelors degree or higher
Less than HS graduate
0%
HS graduate
3%
Some college or associates
1.5%
Bachelors degree or higher
0%

Outcomes by Education Level

Earnings and poverty rates across education levels (25+)
Adults 25+
Alpha Henry County Illinois
Median earnings
Population 25+, with earnings $47,250 $50,204 $55,582
Less than high school graduate $— $39,591 $34,655
High school graduate (includes equivalency) $36,477 $39,261 $40,965
Some college or associate's degree $47,273 $47,823 $47,813
Bachelor's degree $58,068 $67,183 $73,326
Graduate or professional degree $63,750 $82,924 $91,623
Poverty rates
Less than high school graduate 0% 23.5% 21.6%
High school graduate (includes equivalency) 3% 12.9% 14.4%
Some college or associate's degree 1.5% 6.4% 9.9%
Bachelor's degree or higher 0% 1.6% 4.5%

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