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Hillsdale, IL
Key Indicators
A quick look at key numbers
Population
451
Source: U.S. Census Bureau American Community Survey (ACS) 2020-2024 5-Year Estimates
Median Age
45.4
years ∙ half population younger than 45.4, half older
Diversity Index
27.6%
chance two random people differ in race and ethnicity
Nativity
0.4%
foreign-born population
Geographic Context
Location, size, and surroundings
About
Hillsdale is a village within Rock Island County, Illinois, United States.
Co-ordinates
DEC41.606929° N, 90.172822° W
DMS41° 36′ 24.94″ N, 90° 10′ 22.16″ W
Population Density & area
696/sq mi
(268.8/km²)
Demographics & Living
Who lives here, how households are formed, and community composition
Population Composition
Key characteristics of the population
Sex Distribution
51.9%
male
Male
51.9%
Female
48.1%
males per 100 females
Hillsdale
107.8
Rock Island County
97.9
Illinois
97.7
Nativity
0.4%
foreign-born population
% Foreign-born
Hillsdale
0.4%
Rock Island County
8.7%
Illinois
14.7%
Age Distribution
How the population is spread across age groups
Median Age
45.4
years ∙ half population younger than 45.4, half older
Dependency ratio
67
dependents per 100 working-age adults
Hillsdale
67
Rock Island County
74.9
Illinois
63.5
AGE DISTRIBUTION
Distribution of age group
Median age
| Hillsdale | Rock Island County | Illinois | |
|---|---|---|---|
| Age Group | |||
| Children (Under 18) | 21.5% | 22.5% | 21.8% |
| Working age (18-64) | 59.9% | 57.1% | 61.2% |
| Senior (65+) | 18.6% | 20.4% | 17% |
| Dependency ratio | |||
| Total dependency ratio | 67 | 74.9 | 63.5 |
| Child dependency ratio | 35.9 | 39.3 | 35.7 |
| Old-age dependency ratio | 31.1 | 35.6 | 27.8 |
Racial & Ethnic Composition
Racial and ethnic makeup and how it compares
Race & Ethnicity
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
27.6%
chance two random people differ in race and ethnicity
Hillsdale
27.6%
Rock Island County
51.1%
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 Hillsdale population
| Hillsdale | Rock Island County | Illinois | |
|---|---|---|---|
| Hispanic or Latino | 10.9% | 14.2% | 18.8% |
| Mexican | 10.9% | 12.3% | 14.4% |
| Puerto Rican | 0% | 0.4% | 1.6% |
| Cuban | 0% | 0.1% | 0.3% |
| Other Hispanic / Latino | 0% | 1.4% | 2.5% |
| Not Hispanic or Latino | 89.1% | 85.8% | 81.2% |
| One race | 84.7% | 81.4% | 77.8% |
| White | 84.3% | 67.4% | 58.1% |
| Black or African American | 0.4% | 10.9% | 13.3% |
| American Indian and Alaska Native | 0% | 0.1% | 0.1% |
| Asian | 0% | 2.6% | 5.9% |
| Native Hawaiian and Other Pacific Islander | 0% | 0% | 0% |
| Some Other Race | 0% | 0.4% | 0.4% |
| Two or more races (Multiracial) | 4.4% | 4.4% | 3.4% |
Household & Families Composition
Household size, type, and family structure
Household structure
70.9%
family
Family
70.9%
Non family
29.1%
% family households
Hillsdale
70.9%
Rock Island County
59.6%
Illinois
62.2%
Average household size
2.73
persons per household
Household & Family COMPOSITION
Households
Percentage of Hillsdale population
| Hillsdale | Rock Island County | Illinois | |
|---|---|---|---|
| Total households | 165 | 61,733 | 5,036,449 |
| Average houshold size | 2.73 | 2.23 | 2.46 |
| Family households | 117 | 36,778 | 3,130,978 |
| Average family size | 3.21 | 2.85 | 3.14 |
| Married couple family | 99 | 26,034 | 2,282,435 |
| Other families | 18 | 10,744 | 848,543 |
| Male householder | 1 | 2,903 | 248,521 |
| Female householder | 17 | 7,841 | 600,022 |
| Non-family households | 48 | 24,955 | 1,905,471 |
| One-person households | 42 | 20,919 | 1,569,881 |
| Male householder | 27 | 9,822 | 712,191 |
| Senior (65+) living alone | 10 | 3,358 | 210,051 |
| Female householder | 15 | 11,097 | 857,690 |
| Senior (65+) living alone | 11 | 6,518 | 417,870 |
| Other living arrangements | 6 | 4,036 | 335,590 |
Housing Profile
Housing stock, ownership, rentals, and cost burdens
Total housing units
188
housing units
Hillsdale
188
Rock Island County
66,759
Illinois
5,457,452
Occupancy status
87.8%
occupied
Occupied
87.8%
Vacant
12.2%
vacancy rate
Hillsdale
12.2%
Rock Island County
7.5%
Illinois
7.7%
Housing Characteristics
How the housing supply is structured and used
Types of Housing unit
74%
Single family houses
Median Year Built
1962
Half of houses were built before 1962, and half after.
Note: Median year built reflects occupied units only; distribution includes all units.
Housing Characteristics
Units, rooms & bedrooms
Physical characteristics of housing units
| Hillsdale | Rock Island County | Illinois | |
|---|---|---|---|
| Rooms per unit | |||
| Median rooms | 6.1 | 5.6 | 5.6 |
| 1–3 rooms | 8% | 12.9% | 14.6% |
| 4–6 rooms | 46.3% | 53.9% | 50.9% |
| 7+ rooms | 45.7% | 33.3% | 34.6% |
| Bedrooms | |||
| No bedroom / studio | 0% | 2.1% | 3.1% |
| 1 bedroom | 10.6% | 11% | 11.5% |
| 2 bedrooms | 21.3% | 30.5% | 27.7% |
| 3 bedrooms | 47.3% | 40.2% | 35.8% |
| 4+ bedrooms | 20.8% | 16.2% | 21.7% |
| At a glance | |||
| Median year built | 1962 | 1963 | 1971 |
| Total housing units | 188 | 66,759 | 5,457,452 |
Occupancy Profile
Who is inside and how they use it
Homeownership
86.1%
owners
Renter-occupied
13.9%
Owner-occupied
86.1%
homeownership rate
Hillsdale
86.1%
Rock Island County
69.7%
Illinois
67.1%
Average household size
2.8
Owner-occupied
2.3
Renter-occupied
owner-occupied average size
Hillsdale
2.8
Rock Island County
2.34
Illinois
2.62
Housing Characteristics
Occupied unit characteristics
Tenure, crowding, and utilities
| Hillsdale | Rock Island County | Illinois | |
|---|---|---|---|
| Total occupied units | 165 | 61,733 | 5,036,449 |
| Year moved in | |||
| 2020 or later | 15.7% | 21.8% | 23.3% |
| 2010 to 2019 | 32.1% | 37.8% | 38.1% |
| 2000 to 2009 | 13.9% | 16.8% | 17.3% |
| 1999 or earlier | 38.2% | 23.6% | 21.3% |
| Occupants per room | |||
| 1.00 or fewer | 98.8% | 98.3% | 97.5% |
| 1.01 to 1.50 | 1.2% | 1.2% | 1.6% |
| 1.51 or more | 0% | 0.4% | 0.8% |
| Vehicles availability | |||
| No vehicles | 1.2% | 8.6% | 11% |
| 1 vehicle | 23% | 36.2% | 35.7% |
| 2 vehicles | 34.5% | 38.1% | 35.1% |
| 3 or more vehicles | 41.2% | 17.2% | 18.3% |
| House heating fuel used | |||
| Gas | 86.7% | 80.7% | 79.5% |
| Electricity | 10.9% | 17.9% | 18.6% |
| Solar | 0% | 0.1% | 0.1% |
| Fuel oil, kerosene etc | 0% | 0% | 0.1% |
| All other fuels | 2.4% | 0.6% | 0.8% |
| No fuel used | 0% | 0.6% | 0.8% |
| Selected characteristics | |||
| Lacking complete plumbing | 0% | 0.3% | 0.3% |
| Lacking complete kitchen | 0% | 1.1% | 0.8% |
| No telephone service available | 1.2% | 1% | 0.8% |
Housing Value
What owner-occupied units are worth
Median home value
$99,200
owner-occupied units
Housing Cost Burden
13%
of homeowners with a mortgage are cost-burdened
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
| Hillsdale | Rock Island County | Illinois | |
|---|---|---|---|
| Property value | |||
| Median Value | $99,200 | $150,400 | $263,300 |
| Under $100,000 | 50.7% | 24.3% | 13.7% |
| $100,000 - $200,000 | 42.2% | 43.5% | 21.5% |
| $200,000 - $300,000 | 1.4% | 20.1% | 22.3% |
| $300,000 - $500,000 | 5.6% | 10.2% | 27.7% |
| $500,000 - $1,000,000 | 0% | 1.6% | 12.1% |
| $1,000,000 and more | 0% | 0.3% | 2.7% |
| Owner-occupied households | |||
| With a mortgage | 48.6% | 57.9% | 60.8% |
| Without a mortgage | 51.4% | 42.1% | 39.2% |
| Median monthly owner costs | |||
| With a mortgage | $1,354 | $1,360 | $1,987 |
| Without a mortgage | $344 | $614 | $792 |
| Gross rent | |||
| Median rent | $794 | $889 | $1,274 |
Education Profile
How educated is the community and how education pays off
Adults with a college degree
12.4%
of adults 25+ with a bachelor's degree or higher
Hillsdale
12.4%
Rock Island County
24.7%
Illinois
37.8%
Adults without a high school diploma
13%
of adults (25+) without a high school diploma
Hillsdale
13%
Rock Island County
9.3%
Illinois
9.6%
School Enrollment
Who is enrolled in school and at what level
School enrollment
91
population (age 3+) enrolled in school
College-going rate (18-24 yr olds)
10.4%
of 18-24-year-olds in college or graduate school
Enrollment & school type
Enrollment levels, college-going rate, and public vs private school split
Population 3+ currently enrolled in a school
| Hillsdale | Rock Island County | Illinois | |
|---|---|---|---|
| Total enrolled (age 3+) | 91 | 33,426 | 3,051,569 |
| Nursery / preschool | 8.8% | 6.1% | 6.3% |
| K–12 | 69.2% | 69.4% | 67.3% |
| Kindergarten | 7.7% | 6% | 4.9% |
| Elementary: Grades 1–4 | 5.5% | 19.3% | 19.5% |
| Elementary: Grades 5–8 | 20.9% | 22% | 20.8% |
| High School: Grades 9–12 | 35.2% | 22.1% | 22.1% |
| College or graduate school | 22% | 24.5% | 26.4% |
| College, undergraduate | 14.3% | 20.4% | 19.8% |
| Graduate, professional school | 7.7% | 4.1% | 6.6% |
| College-going rate · 18-24 yr olds | 10.4% | 40.5% | 41.4% |
| School type | |||
| Public school | 87.9% | 78.8% | 80.5% |
| Private school | 12.1% | 21.2% | 19.5% |
Education Attainment by Level & Gender
What is the highest level of education completed among adults
Education attainment
306
population 25 years and over
Attainment by gender
Male vs Female
Adults (25+) · Share within each education level
Educational Attainment Overview
Distribution and key education attainment rates for adults (25+)
Highest credential completed · adults 25+
| Hillsdale | Rock Island County | Illinois | |
|---|---|---|---|
| Population (25+) | 306 | 98,032 | 8,767,004 |
| Less than 9th grade | 2.9% | 3.6% | 4.6% |
| 9th–12th, no diploma | 10.1% | 5.7% | 5% |
| High school diploma or GED | 36.3% | 30.9% | 25.1% |
| Some college, no degree | 20.9% | 24.6% | 19.2% |
| Associate's degree | 17.3% | 10.5% | 8.3% |
| Bachelor's degree or higher | 12.4% | 24.7% | 37.8% |
| Bachelor's degree | 8.5% | 15.7% | 22.6% |
| Graduate or professional | 3.9% | 9% | 15.3% |
| High School or higher | 86.9% | 90.7% | 90.5% |
Earnings by education level
percentage as applicable
Median Earnings
$54,792
Median earnings for adults 25+, by level
Poverty Rate
0%
for ages 25+, with bachelors degree or higher
Outcomes by Education Level
Earnings and poverty rates across education levels (25+)
Adults 25+
| Hillsdale | Rock Island County | Illinois | |
|---|---|---|---|
| Median earnings | |||
| Population 25+, with earnings | $54,792 | $47,164 | $55,582 |
| Less than high school graduate | $— | $33,750 | $34,655 |
| High school graduate (includes equivalency) | $26,250 | $39,679 | $40,965 |
| Some college or associate's degree | $59,412 | $45,200 | $47,813 |
| Bachelor's degree | $67,857 | $61,120 | $73,326 |
| Graduate or professional degree | $241,250 | $78,777 | $91,623 |
| Poverty rates | |||
| Less than high school graduate | 15% | 32% | 21.6% |
| High school graduate (includes equivalency) | 9.9% | 14.1% | 14.4% |
| Some college or associate's degree | 0.9% | 10.8% | 9.9% |
| Bachelor's degree or higher | 0% | 4.4% | 4.5% |
About Neilsberg Research
Neilsberg Research team are data scientists with expertise in processing, analysis and visualization of big data helping small businesses make right decisions.
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