Rockton School District 140, Illinois

School District in IL, US

By Neilsberg Research

Last updated May 1, 2026

Key Indicators

A quick look at key numbers

Population

12,677

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

Median Age

39.1

years ∙ half population younger than 39.1, half older

Diversity Index

27.7%

chance two random people differ in race and ethnicity

Nativity

4.7%

foreign-born population

95.3%Native

4.7% Foreign-born

Geographic Context

Location, size, and surroundings

About

Rockton School District 140 is a school district in Illinois, United States.

Location

School District in IL, US

Co-ordinates

DEC42.416779° N, 89.127785° W

DMS42° 25′ 00.40″ N, 89° 07′ 40.03″ W

Population Density & area

254/sq mi (98.04/km²)

Total Area

50.8 sq mi (131.6 km²)

Land Area

49.9 sq mi (129.3 km²) · 98.3%

Water Area

0.9 sq mi (2.3 km²) · 1.7%

Demographics & Living

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

Population Composition

Key characteristics of the population

Sex Distribution

49.1% male

Male 49.1%

Female 50.9%

males per 100 females

Rockton SD 140 96.3

Illinois 97.7

United States 98

Nativity

4.7%

foreign-born population

95.3%Native

4.7% Foreign-born

% Foreign-born

Rockton SD 140 4.7%

Illinois 14.7%

United States 14.1%

Age Distribution

How the population is spread across age groups

Median Age

39.1

years ∙ half population younger than 39.1, half older

Rockton SD 140

39.1

Illinois

United States

38.9

Dependency ratio

81.3

dependents per 100 working-age adults

Rockton SD 140 81.3

Illinois 63.5

United States 64.4

AGE DISTRIBUTION

Distribution of age group

Median age

	Rockton SD 140	Illinois	United States
Age Group
Children (Under 18)	26.5%	21.8%	22%
Working age (18-64)	55.2%	61.2%	60.8%
Senior (65+)	18.3%	17%	17.2%
Dependency ratio
Total dependency ratio	81.3	63.5	64.4
Child dependency ratio	48.1	35.7	36.1
Old-age dependency ratio	33.2	27.8	28.3

Racial & Ethnic Composition

Racial and ethnic makeup and how it compares

Race & Ethnicity

White

84.5%

Black

1.6%

Asian

1.6%

Hispanic

8.3%

Other

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

27.7%

chance two random people differ in race and ethnicity

Rockton SD 140 27.7%

Illinois 60.5%

United States 61.4%

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 Rockton SD 140 population

	Rockton SD 140	Illinois	United States
Hispanic or Latino	8.3%	18.8%	19.3%
Mexican	6.9%	14.4%	11.3%
Puerto Rican	0.7%	1.6%	1.8%
Cuban	0%	0.3%	0.8%
Other Hispanic / Latino	0.6%	2.5%	5.5%
Not Hispanic or Latino	91.7%	81.2%	80.7%
One race	87.7%	77.8%	76.4%
White	84.5%	58.1%	57.4%
Black or African American	1.6%	13.3%	11.9%
American Indian and Alaska Native	0%	0.1%	0.5%
Asian	1.6%	5.9%	5.9%
Native Hawaiian and Other Pacific Islander	0%	0%	0.2%
Some Other Race	0%	0.4%	0.6%
Two or more races (Multiracial)	4%	3.4%	4.3%

Household & Families Composition

Household size, type, and family structure

Household structure

73.7% family

Family 73.7%

Non family 26.3%

% family households

Rockton SD 140 73.7%

Illinois 62.2%

United States 64.2%

Average household size

2.65

persons per household

Rockton SD 140

2.65

Illinois

2.46

United States

2.53

Household & Family COMPOSITION

Households

Percentage of Rockton SD 140 population

	Rockton SD 140	Illinois	United States
Total households	4,777	5,036,449	129,227,496
Average houshold size	2.65	2.46	2.53
Family households	3,522	3,130,978	82,990,528
Average family size	3.11	3.14	3.14
Married couple family	2,789	2,282,435	60,637,388
Other families	733	848,543	22,353,140
Male householder	234	248,521	6,572,819
Female householder	499	600,022	15,780,321
Non-family households	1,255	1,905,471	46,236,968
One-person households	1,067	1,569,881	37,140,836
Male householder	348	712,191	16,871,444
Senior (65+) living alone	123	210,051	5,225,110
Female householder	719	857,690	20,269,392
Senior (65+) living alone	500	417,870	10,089,070
Other living arrangements	188	335,590	9,096,132

Housing Profile

Housing stock, ownership, rentals, and cost burdens

Total housing units

5,087

housing units

Rockton SD 140 5,087

Illinois 5,457,452

United States 143,775,355

Occupancy status

93.9% occupied

Occupied 93.9%

Vacant 6.1%

vacancy rate

Rockton SD 140 6.1%

Illinois 7.7%

United States 10.1%

Housing Characteristics

How the housing supply is structured and used

Types of Housing unit

78.5%

Single family houses

78.5%

Apartments in multi-unit structures

20.9%

Mobile homes

0.6%

Boat, RV, van, etc

Median Year Built

1992

Half of houses were built before 1992, and half after.

Historic ∙ 1939 or earlier

5.3%

Postwar & mid-century ∙ 1940 - 1969

12.2%

Late 20th century ∙ 1970 - 1999

46.4%

Modern ∙ 2000 or later

36.1%

Note: Median year built reflects occupied units only; distribution includes all units.

Housing Characteristics

Units, rooms & bedrooms

Physical characteristics of housing units

	Rockton SD 140	Illinois	United States
Rooms per unit
Median rooms	6.1	5.6	5.5
1–3 rooms	7.3%	14.6%	15.1%
4–6 rooms	51.2%	50.9%	51.6%
7+ rooms	41.4%	34.6%	33.4%
Bedrooms
No bedroom / studio	0.3%	3.1%	2.9%
1 bedroom	6.1%	11.5%	10.9%
2 bedrooms	26.7%	27.7%	25%
3 bedrooms	43.5%	35.8%	38.7%
4+ bedrooms	23.4%	21.7%	22.4%
At a glance
Median year built	1992	1971	1981
Total housing units	5,087	5,457,452	143,775,355

Occupancy Profile

Who is inside and how they use it

Homeownership

73.2% owners

Renter-occupied 26.8%

Owner-occupied 73.2%

homeownership rate

Rockton SD 140 73.2%

Illinois 67.1%

United States 65.2%

Average household size

2.75

Owner-occupied

2.38

Renter-occupied

owner-occupied average size

Rockton SD 140 2.75

Illinois 2.62

United States 2.64

Housing Characteristics

Occupied unit characteristics

Tenure, crowding, and utilities

	Rockton SD 140	Illinois	United States
Total occupied units	4,777	5,036,449	129,227,496
Year moved in
2020 or later	19.5%	23.3%	24.8%
2010 to 2019	36%	38.1%	39.6%
2000 to 2009	22.3%	17.3%	16.4%
1999 or earlier	22.3%	21.3%	19.1%
Occupants per room
1.00 or fewer	99.5%	97.5%	96.6%
1.01 to 1.50	0.5%	1.6%	2.2%
1.51 or more	0%	0.8%	1.2%
Vehicles availability
No vehicles	0.5%	11%	8.4%
1 vehicle	25.7%	35.7%	33.1%
2 vehicles	48.7%	35.1%	36.6%
3 or more vehicles	25.1%	18.3%	21.9%
House heating fuel used
Gas	87.6%	79.5%	51.4%
Electricity	11.6%	18.6%	41.3%
Solar	0%	0.1%	0.3%
Fuel oil, kerosene etc	0.3%	0.1%	3.9%
All other fuels	0.6%	0.8%	2%
No fuel used	0%	0.8%	1.2%
Selected characteristics
Lacking complete plumbing	0%	0.3%	0.4%
Lacking complete kitchen	0.4%	0.8%	0.8%
No telephone service available	0%	0.8%	0.9%

Housing Value

What owner-occupied units are worth

Median home value

$231,000

owner-occupied units

Median value(USD)

Rockton SD 140

$231,000

Illinois

$263,300

United States

$332,700

Housing Cost Burden

19.2%

of homeowners with a mortgage are cost-burdened

% Cost-Burdened Households

Owners with a mortgage

19.2%

Owners without a mortgage

9.3%

Renters

37.9%

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

	Rockton SD 140	Illinois	United States
Property value
Median Value	$231,000	$263,300	$332,700
Under $100,000	5.1%	13.7%	11.4%
$100,000 - $200,000	29.7%	21.5%	15.8%
$200,000 - $300,000	41.3%	22.3%	17.8%
$300,000 - $500,000	22.6%	27.7%	26.9%
$500,000 - $1,000,000	1.3%	12.1%	20.9%
$1,000,000 and more	0%	2.7%	7.1%
Owner-occupied households
With a mortgage	61.3%	60.8%	60.6%
Without a mortgage	38.7%	39.2%	39.4%
Median monthly owner costs
With a mortgage	$1,725	$1,987	$1,963
Without a mortgage	$824	$792	$638
Gross rent
Median rent	$1,390	$1,274	$1,413

Education Profile

How educated is the community and how education pays off

Adults with a college degree

38.2%

of adults 25+ with a bachelor's degree or higher

Rockton SD 140 38.2%

Illinois 37.8%

United States 35.7%

Adults without a high school diploma

of adults (25+) without a high school diploma

Rockton SD 140 3%

Illinois 9.6%

United States 10.4%

School Enrollment

Who is enrolled in school and at what level

School enrollment

3,218

population (age 3+) enrolled in school

Nursery / Preschool

3.8%

K–12

80.2%

College / Undergraduate

13.1%

Graduate / Professional

2.9%

College-going rate (18-24 yr olds)

27.3%

of 18-24-year-olds in college or graduate school

Rockton SD 140

27.3%

Illinois

41.4%

United States

40.9%

Enrollment & school type

Enrollment levels, college-going rate, and public vs private school split

Population 3+ currently enrolled in a school

	Rockton SD 140	Illinois	United States
Total enrolled (age 3+)	3,218	3,051,569	80,089,790
Nursery / preschool	3.8%	6.3%	5.7%
K–12	80.2%	67.3%	67.6%
Kindergarten	7.1%	4.9%	5%
Elementary: Grades 1–4	22.2%	19.5%	19.8%
Elementary: Grades 5–8	21.1%	20.8%	21%
High School: Grades 9–12	29.9%	22.1%	21.7%
College or graduate school	16%	26.4%	26.7%
College, undergraduate	13.1%	19.8%	21%
Graduate, professional school	2.9%	6.6%	5.8%
College-going rate · 18-24 yr olds	27.3%	41.4%	40.9%
School type
Public school	84.9%	80.5%	82%
Private school	15.1%	19.5%	18%

Education Attainment by Level & Gender

What is the highest level of education completed among adults

Education attainment

8,225

population 25 years and over

Total adults (25+)

Less than 9th grade

0.8%

9th-12th, no diploma

2.2%

HS graduate

29%

Some college no degree

20.1%

Associates degree

9.8%

Bachelors degree

22.4%

Graduate or professional degree

15.7%

Attainment by gender

Male vs Female

Adults (25+) · Share within each education level

% male · % female

Less than 9th grade

17.7% · 82.3%

9th-12th, no diploma

62.9% · 37.1%

HS graduate

53.2% · 46.8%

Some college no degree

45.9% · 54.1%

Associates degree

44.3% · 55.7%

Bachelors degree

39.7% · 60.3%

Graduate or professional degree

40.6% · 59.4%

Educational Attainment Overview

Distribution and key education attainment rates for adults (25+)

Highest credential completed · adults 25+

	Rockton SD 140	Illinois	United States
Population (25+)	8,225	8,767,004	230,807,303
Less than 9th grade	0.8%	4.6%	4.7%
9th–12th, no diploma	2.2%	5%	5.7%
High school diploma or GED	29%	25.1%	26%
Some college, no degree	20.1%	19.2%	19.1%
Associate's degree	9.8%	8.3%	8.8%
Bachelor's degree or higher	38.2%	37.8%	35.7%
Bachelor's degree	22.4%	22.6%	21.6%
Graduate or professional	15.7%	15.3%	14.1%
High School or higher	97.1%	90.5%	89.6%

Earnings by education level

percentage as applicable

Median Earnings

$57,147

Median earnings for adults 25+, by level

Less than HS graduate

$32,431

HS graduate

$42,467

Some college or associates

$52,441

Bachelors degree

$71,882

Graduate or professional degree

$85,085

Poverty Rate

0.3%

for ages 25+, with bachelors degree or higher

Less than HS graduate

8.9%

HS graduate

13.5%

Some college or associates

6.7%

Bachelors degree or higher

0.3%

Outcomes by Education Level

Earnings and poverty rates across education levels (25+)

Adults 25+

	Rockton SD 140	Illinois	United States
Median earnings
Population 25+, with earnings	$57,147	$55,582	$52,696
Less than high school graduate	$32,431	$34,655	$32,485
High school graduate (includes equivalency)	$42,467	$40,965	$40,153
Some college or associate's degree	$52,441	$47,813	$47,260
Bachelor's degree	$71,882	$73,326	$70,044
Graduate or professional degree	$85,085	$91,623	$90,720
Poverty rates
Less than high school graduate	8.9%	21.6%	24.2%
High school graduate (includes equivalency)	13.5%	14.4%	14.4%
Some college or associate's degree	6.7%	9.9%	9.8%
Bachelor's degree or higher	0.3%	4.5%	4.5%

Insights for Rockton School District 140, by topic

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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