Stonington, IL

Village in Christian County, IL, US

By Neilsberg Research

Last updated May 1, 2026

Key Indicators

A quick look at key numbers

Population

655

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

Median Age

44.4

years ∙ half population younger than 44.4, half older

Diversity Index

15%

chance two random people differ in race and ethnicity

Nativity

1.5%

foreign-born population

98.5%Native

1.5% Foreign-born

Geographic Context

Location, size, and surroundings

About

Stonington is a village within Christian County, Illinois, United States.

Location

Village in Christian County, IL, US

Co-ordinates

DEC39.638517° N, 89.192044° W

DMS39° 38′ 18.66″ N, 89° 11′ 31.36″ W

Population Density & area

1,433/sq mi (553.2/km²)

Total Area

0.457 sq mi (1.184 km²)

Land Area

0.457 sq mi (1.184 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

47.8% male

Male 47.8%

Female 52.2%

males per 100 females

Stonington 91.5

Christian County 112.2

Illinois 97.7

Nativity

1.5%

foreign-born population

98.5%Native

1.5% Foreign-born

% Foreign-born

Stonington 1.5%

Christian County 1.2%

Illinois 14.7%

Age Distribution

How the population is spread across age groups

Median Age

44.4

years ∙ half population younger than 44.4, half older

Stonington

44.4

Christian County

43.2

Illinois

Dependency ratio

49.5

dependents per 100 working-age adults

Stonington 49.5

Christian County 65.5

Illinois 63.5

AGE DISTRIBUTION

Distribution of age group

Median age

	Stonington	Christian County	Illinois
Age Group
Children (Under 18)	13.1%	19.3%	21.8%
Working age (18-64)	66.9%	60.4%	61.2%
Senior (65+)	20%	20.3%	17%
Dependency ratio
Total dependency ratio	49.5	65.5	63.5
Child dependency ratio	19.6	32	35.7
Old-age dependency ratio	29.9	33.6	27.8

Racial & Ethnic Composition

Racial and ethnic makeup and how it compares

Race & Ethnicity

White

92.1%

Black

0.3%

Asian

2.1%

Hispanic

2.7%

Other

2.8%

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

15%

chance two random people differ in race and ethnicity

Stonington 15%

Christian County 17%

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 Stonington population

	Stonington	Christian County	Illinois
Hispanic or Latino	2.7%	3.3%	18.8%
Mexican	1.1%	1.8%	14.4%
Puerto Rican	0%	0.2%	1.6%
Cuban	0%	0.3%	0.3%
Other Hispanic / Latino	1.7%	1.1%	2.5%
Not Hispanic or Latino	97.3%	96.7%	81.2%
One race	94.7%	94.3%	77.8%
White	92.1%	91%	58.1%
Black or African American	0.3%	2.1%	13.3%
American Indian and Alaska Native	0.2%	0%	0.1%
Asian	2.1%	0.7%	5.9%
Native Hawaiian and Other Pacific Islander	0%	0%	0%
Some Other Race	0%	0.3%	0.4%
Two or more races (Multiracial)	2.6%	2.4%	3.4%

Household & Families Composition

Household size, type, and family structure

Household structure

45.1% family

Family 45.1%

Non family 54.9%

% family households

Stonington 45.1%

Christian County 57.6%

Illinois 62.2%

Average household size

2.21

persons per household

Stonington

2.21

Christian County

2.34

Illinois

2.46

Household & Family COMPOSITION

Households

Percentage of Stonington population

	Stonington	Christian County	Illinois
Total households	297	13,586	5,036,449
Average houshold size	2.21	2.34	2.46
Family households	134	7,829	3,130,978
Average family size	3.31	3.13	3.14
Married couple family	113	6,097	2,282,435
Other families	21	1,732	848,543
Male householder	10	489	248,521
Female householder	11	1,243	600,022
Non-family households	163	5,757	1,905,471
One-person households	130	4,965	1,569,881
Male householder	28	2,428	712,191
Senior (65+) living alone	13	955	210,051
Female householder	102	2,537	857,690
Senior (65+) living alone	64	1,452	417,870
Other living arrangements	33	792	335,590

Housing Profile

Housing stock, ownership, rentals, and cost burdens

Total housing units

354

housing units

Stonington 354

Christian County 15,184

Illinois 5,457,452

Occupancy status

83.9% occupied

Occupied 83.9%

Vacant 16.1%

vacancy rate

Stonington 16.1%

Christian County 10.5%

Illinois 7.7%

Housing Characteristics

How the housing supply is structured and used

Types of Housing unit

87.9%

Single family houses

87.9%

Apartments in multi-unit structures

Mobile homes

3.1%

Boat, RV, van, etc

Median Year Built

1938

Half of houses were built before 1938, and half after.

* The Census Bureau did not report an exact median year built for Stonington the estimate falls at or before 1939, the lower limit of the survey's reporting range.

Historic ∙ 1939 or earlier

51.4%

Postwar & mid-century ∙ 1940 - 1969

26.2%

Late 20th century ∙ 1970 - 1999

16.9%

Modern ∙ 2000 or later

5.4%

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

Housing Characteristics

Units, rooms & bedrooms

Physical characteristics of housing units

	Stonington	Christian County	Illinois
Rooms per unit
Median rooms	5.8	5.5	5.6
1–3 rooms	3.4%	8.2%	14.6%
4–6 rooms	65.6%	60.7%	50.9%
7+ rooms	31.1%	31.1%	34.6%
Bedrooms
No bedroom / studio	0%	0.5%	3.1%
1 bedroom	4.2%	9.1%	11.5%
2 bedrooms	35.3%	33.1%	27.7%
3 bedrooms	42.9%	44.4%	35.8%
4+ bedrooms	17.5%	12.9%	21.7%
At a glance
Median year built	1938	1963	1971
Total housing units	354	15,184	5,457,452

Occupancy Profile

Who is inside and how they use it

Homeownership

79.5% owners

Renter-occupied 20.5%

Owner-occupied 79.5%

homeownership rate

Stonington 79.5%

Christian County 75.2%

Illinois 67.1%

Average household size

2.26

Owner-occupied

1.98

Renter-occupied

owner-occupied average size

Stonington 2.26

Christian County 2.41

Illinois 2.62

Housing Characteristics

Occupied unit characteristics

Tenure, crowding, and utilities

	Stonington	Christian County	Illinois
Total occupied units	297	13,586	5,036,449
Year moved in
2020 or later	16.8%	17.8%	23.3%
2010 to 2019	29.3%	37.5%	38.1%
2000 to 2009	18.9%	18.7%	17.3%
1999 or earlier	35.1%	25.9%	21.3%
Occupants per room
1.00 or fewer	99%	99.2%	97.5%
1.01 to 1.50	0.3%	0.6%	1.6%
1.51 or more	0.7%	0.2%	0.8%
Vehicles availability
No vehicles	2.4%	6.1%	11%
1 vehicle	37%	32.5%	35.7%
2 vehicles	32.3%	37.9%	35.1%
3 or more vehicles	28.3%	23.6%	18.3%
House heating fuel used
Gas	97.6%	79.7%	79.5%
Electricity	2.4%	18.8%	18.6%
Solar	0%	0.1%	0.1%
Fuel oil, kerosene etc	0%	0%	0.1%
All other fuels	0%	1.1%	0.8%
No fuel used	0%	0.2%	0.8%
Selected characteristics
Lacking complete plumbing	0%	0.1%	0.3%
Lacking complete kitchen	0%	0.7%	0.8%
No telephone service available	0.7%	0.5%	0.8%

Housing Value

What owner-occupied units are worth

Median home value

$106,100

owner-occupied units

Median value(USD)

Stonington

$106,100

Christian County

$115,500

Illinois

$263,300

Housing Cost Burden

25%

of homeowners with a mortgage are cost-burdened

% Cost-Burdened Households

Owners with a mortgage

25%

Owners without a mortgage

9.4%

Renters

22.4%

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

	Stonington	Christian County	Illinois
Property value
Median Value	$106,100	$115,500	$263,300
Under $100,000	44.9%	42.4%	13.7%
$100,000 - $200,000	47.9%	32.5%	21.5%
$200,000 - $300,000	5.1%	15.5%	22.3%
$300,000 - $500,000	1.3%	8.1%	27.7%
$500,000 - $1,000,000	0.8%	1.2%	12.1%
$1,000,000 and more	0%	0.3%	2.7%
Owner-occupied households
With a mortgage	45.3%	52.4%	60.8%
Without a mortgage	54.7%	47.6%	39.2%
Median monthly owner costs
With a mortgage	$1,163	$1,200	$1,987
Without a mortgage	$508	$535	$792
Gross rent
Median rent	$900	$785	$1,274

Education Profile

How educated is the community and how education pays off

Adults with a college degree

19%

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

Stonington 19%

Christian County 17.1%

Illinois 37.8%

Adults without a high school diploma

6.9%

of adults (25+) without a high school diploma

Stonington 6.9%

Christian County 9.1%

Illinois 9.6%

School Enrollment

Who is enrolled in school and at what level

School enrollment

population (age 3+) enrolled in school

Nursery / Preschool

23.1%

K–12

56%

College / Undergraduate

20.9%

Graduate / Professional

College-going rate (18-24 yr olds)

22.9%

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

Stonington

22.9%

Christian County

28.9%

Illinois

41.4%

Enrollment & school type

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

Population 3+ currently enrolled in a school

	Stonington	Christian County	Illinois
Total enrolled (age 3+)	91	6,664	3,051,569
Nursery / preschool	23.1%	9.8%	6.3%
K–12	56%	72.5%	67.3%
Kindergarten	3.3%	4.5%	4.9%
Elementary: Grades 1–4	16.5%	24.1%	19.5%
Elementary: Grades 5–8	20.9%	19.5%	20.8%
High School: Grades 9–12	15.4%	24.4%	22.1%
College or graduate school	20.9%	17.8%	26.4%
College, undergraduate	20.9%	14.8%	19.8%
Graduate, professional school	0%	3%	6.6%
College-going rate · 18-24 yr olds	22.9%	28.9%	41.4%
School type
Public school	95.6%	87.4%	80.5%
Private school	4.4%	12.6%	19.5%

Education Attainment by Level & Gender

What is the highest level of education completed among adults

Education attainment

521

population 25 years and over

Total adults (25+)

Less than 9th grade

2.5%

9th-12th, no diploma

4.4%

HS graduate

44.5%

Some college no degree

20.2%

Associates degree

9.4%

Bachelors degree

12.1%

Graduate or professional degree

6.9%

Attainment by gender

Male vs Female

Adults (25+) · Share within each education level

% male · % female

Less than 9th grade

30.8% · 69.2%

9th-12th, no diploma

60.9% · 39.1%

HS graduate

44% · 56%

Some college no degree

62.9% · 37.1%

Associates degree

51% · 49%

Bachelors degree

44.4% · 55.6%

Graduate or professional degree

19.4% · 80.6%

Educational Attainment Overview

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

Highest credential completed · adults 25+

	Stonington	Christian County	Illinois
Population (25+)	521	24,493	8,767,004
Less than 9th grade	2.5%	2.5%	4.6%
9th–12th, no diploma	4.4%	6.6%	5%
High school diploma or GED	44.5%	45%	25.1%
Some college, no degree	20.2%	18.9%	19.2%
Associate's degree	9.4%	9.8%	8.3%
Bachelor's degree or higher	19%	17.1%	37.8%
Bachelor's degree	12.1%	12.1%	22.6%
Graduate or professional	6.9%	5%	15.3%
High School or higher	93.1%	90.9%	90.5%

Earnings by education level

percentage as applicable

Median Earnings

$44,837

Median earnings for adults 25+, by level

Less than HS graduate

$—

HS graduate

$46,389

Some college or associates

$39,375

Bachelors degree

$43,854

Graduate or professional degree

$—

Poverty Rate

12.1%

for ages 25+, with bachelors degree or higher

Less than HS graduate

27.8%

HS graduate

Some college or associates

16.2%

Bachelors degree or higher

12.1%

Outcomes by Education Level

Earnings and poverty rates across education levels (25+)

Adults 25+

	Stonington	Christian County	Illinois
Median earnings
Population 25+, with earnings	$44,837	$47,025	$55,582
Less than high school graduate	$—	$31,188	$34,655
High school graduate (includes equivalency)	$46,389	$42,716	$40,965
Some college or associate's degree	$39,375	$47,345	$47,813
Bachelor's degree	$43,854	$52,884	$73,326
Graduate or professional degree	$—	$75,714	$91,623
Poverty rates
Less than high school graduate	27.8%	23.1%	21.6%
High school graduate (includes equivalency)	3%	11.7%	14.4%
Some college or associate's degree	16.2%	8.2%	9.9%
Bachelor's degree or higher	12.1%	3.8%	4.5%

Insights for Stonington, by topic

Income By year By race By age By gender

Population By year By race By age By gender

About Neilsberg Research

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