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Marissa, IL

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

Population

1,232
Source: U.S. Census Bureau American Community Survey (ACS) 2020-2024 5-Year Estimates

Median Age

42.9
years ∙ half population younger than 42.9, half older

Diversity Index

Low High
29.8%
chance two random people differ in race and ethnicity

Nativity

0.4%
foreign-born population
99.6%Native
0.4% Foreign-born

Geographic Context

Location, size, and surroundings

About

Marissa is a village within St. Clair County, Illinois, United States.
Location
Village in St. Clair County, IL, US
Co-ordinates
DEC38.249667° N, 89.771413° W
DMS38° 14′ 58.80″ N, 89° 46′ 17.09″ W

Population Density & area

170.9/sq mi (65.95/km²)
Total Area
7.94 sq mi (20.56 km²)
Land Area
7.21 sq mi (18.68 km²) · 90.9%
Water Area
0.73 sq mi (1.88 km²) · 9.1%

Demographics & Living

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

Population Composition

Key characteristics of the population

Sex Distribution

47.2% male
Male 47.2%
Female 52.8%
males per 100 females
Marissa 89.5
St. Clair County 94.3
Illinois 97.7

Nativity

0.4%
foreign-born population
99.6%Native
0.4% Foreign-born
% Foreign-born
Marissa 0.4%
St. Clair County 3.3%
Illinois 14.7%
Age Distribution
How the population is spread across age groups

Median Age

42.9
years ∙ half population younger than 42.9, half older
Marissa
42.9
St. Clair County
39.9
Illinois
39

Dependency ratio

Low High
63.2
dependents per 100 working-age adults
Marissa 63.2
St. Clair County 67.7
Illinois 63.5

AGE DISTRIBUTION

Distribution of age group
Median age
Marissa St. Clair County Illinois
Age Group
Children (Under 18) 18% 23% 21.8%
Working age (18-64) 61.3% 59.7% 61.2%
Senior (65+) 20.7% 17.3% 17%
Dependency ratio
Total dependency ratio 63.2 67.7 63.5
Child dependency ratio 29.4 38.6 35.7
Old-age dependency ratio 33.8 29.1 27.8
Racial & Ethnic Composition
Racial and ethnic makeup and how it compares

Race & Ethnicity

White
82.8%
Black
0%
Asian
0%
Hispanic
5%
Other
12.2%
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
29.8%
chance two random people differ in race and ethnicity
Marissa 29.8%
St. Clair County 56.8%
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 Marissa population
Marissa St. Clair County Illinois
Hispanic or Latino 5% 5.1% 18.8%
Mexican 2.8% 3.2% 14.4%
Puerto Rican 0% 0.6% 1.6%
Cuban 0% 0.2% 0.3%
Other Hispanic / Latino 2.1% 1.2% 2.5%
Not Hispanic or Latino 95% 94.9% 81.2%
One race 83.1% 89.1% 77.8%
White 82.8% 59.1% 58.1%
Black or African American 0% 27.7% 13.3%
American Indian and Alaska Native 0.4% 0.2% 0.1%
Asian 0% 1.6% 5.9%
Native Hawaiian and Other Pacific Islander 0% 0% 0%
Some Other Race 0% 0.5% 0.4%
Two or more races (Multiracial) 11.9% 5.8% 3.4%
Household & Families Composition
Household size, type, and family structure

Household structure

59.6% family
Family 59.6%
Non family 40.4%
% family households
Marissa 59.6%
St. Clair County 63%
Illinois 62.2%

Average household size

2.14
persons per household
Marissa
2.14
St. Clair County
2.47
Illinois
2.46

Household & Family COMPOSITION

Households
Percentage of Marissa population
Marissa St. Clair County Illinois
Total households 577 100,846 5,036,449
Average houshold size 2.14 2.47 2.46
Family households 344 63,574 3,130,978
Average family size 2.6 3.13 3.14
Married couple family 235 44,820 2,282,435
Other families 109 18,754 848,543
Male householder 19 4,465 248,521
Female householder 90 14,289 600,022
Non-family households 233 37,272 1,905,471
One-person households 202 32,115 1,569,881
Male householder 110 14,239 712,191
Senior (65+) living alone 44 4,709 210,051
Female householder 92 17,876 857,690
Senior (65+) living alone 49 9,089 417,870
Other living arrangements 31 5,157 335,590

Housing Profile

Housing stock, ownership, rentals, and cost burdens

Total housing units

753
housing units
Marissa 753
St. Clair County 115,630
Illinois 5,457,452

Occupancy status

76.6% occupied
Occupied 76.6%
Vacant 23.4%
vacancy rate
Marissa 23.4%
St. Clair County 12.8%
Illinois 7.7%
Housing Characteristics
How the housing supply is structured and used

Types of Housing unit

77.5%
Single family houses
Single family houses
77.5%
Apartments in multi-unit structures
13.4%
Mobile homes
9.3%
Boat, RV, van, etc
0%

Median Year Built

1953
Half of houses were built before 1953, and half after.
Historic ∙ 1939 or earlier
34%
Postwar & mid-century ∙ 1940 - 1969
29%
Late 20th century ∙ 1970 - 1999
30.2%
Modern ∙ 2000 or later
6.9%
Note: Median year built reflects occupied units only; distribution includes all units.

Housing Characteristics

Units, rooms & bedrooms
Physical characteristics of housing units
Marissa St. Clair County Illinois
Rooms per unit
Median rooms 6.3 5.8 5.6
1–3 rooms 9.8% 9.4% 14.6%
4–6 rooms 45.4% 53.4% 50.9%
7+ rooms 44.7% 37.2% 34.6%
Bedrooms
No bedroom / studio 0% 1.9% 3.1%
1 bedroom 11.2% 8.7% 11.5%
2 bedrooms 25.2% 27.3% 27.7%
3 bedrooms 50.2% 39% 35.8%
4+ bedrooms 13.4% 23.1% 21.7%
At a glance
Median year built 1953 1977 1971
Total housing units 753 115,630 5,457,452
Occupancy Profile
Who is inside and how they use it

Homeownership

78.7% owners
Renter-occupied 21.3%
Owner-occupied 78.7%
homeownership rate
Marissa 78.7%
St. Clair County 68.4%
Illinois 67.1%

Average household size

2.25
Owner-occupied
1.71
Renter-occupied
owner-occupied average size
Marissa 2.25
St. Clair County 2.58
Illinois 2.62

Housing Characteristics

Occupied unit characteristics
Tenure, crowding, and utilities
Marissa St. Clair County Illinois
Total occupied units 577 100,846 5,036,449
Year moved in
2020 or later 22.3% 21.8% 23.3%
2010 to 2019 28.2% 38.4% 38.1%
2000 to 2009 17% 17.4% 17.3%
1999 or earlier 32.4% 22.4% 21.3%
Occupants per room
1.00 or fewer 98.6% 98.2% 97.5%
1.01 to 1.50 1.4% 1.1% 1.6%
1.51 or more 0% 0.7% 0.8%
Vehicles availability
No vehicles 7.3% 7.5% 11%
1 vehicle 26.9% 34.6% 35.7%
2 vehicles 40.2% 37% 35.1%
3 or more vehicles 25.6% 20.9% 18.3%
House heating fuel used
Gas 81.7% 65.2% 79.5%
Electricity 14% 33.4% 18.6%
Solar 0% 0.1% 0.1%
Fuel oil, kerosene etc 0% 0.2% 0.1%
All other fuels 3.3% 0.6% 0.8%
No fuel used 1% 0.5% 0.8%
Selected characteristics
Lacking complete plumbing 0% 0.2% 0.3%
Lacking complete kitchen 0.9% 1.1% 0.8%
No telephone service available 0% 0.7% 0.8%
Housing Value
What owner-occupied units are worth

Median home value

$99,500
owner-occupied units
Median value(USD)
Marissa
$99,500
St. Clair County
$180,300
Illinois
$263,300

Housing Cost Burden

25.2%
of homeowners with a mortgage are cost-burdened
% Cost-Burdened Households
Owners with a mortgage
25.2%
Owners without a mortgage
19.7%
Renters
72.2%
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
Marissa St. Clair County Illinois
Property value
Median Value $99,500 $180,300 $263,300
Under $100,000 50.2% 27.1% 13.7%
$100,000 - $200,000 42.7% 28.3% 21.5%
$200,000 - $300,000 4.8% 22.3% 22.3%
$300,000 - $500,000 2.2% 18.2% 27.7%
$500,000 - $1,000,000 0% 3.8% 12.1%
$1,000,000 and more 0% 0.3% 2.7%
Owner-occupied households
With a mortgage 43% 58.9% 60.8%
Without a mortgage 57% 41.1% 39.2%
Median monthly owner costs
With a mortgage $1,083 $1,645 $1,987
Without a mortgage $550 $645 $792
Gross rent
Median rent $702 $1,090 $1,274

Education Profile

How educated is the community and how education pays off

Adults with a college degree

12.3%
of adults 25+ with a bachelor's degree or higher
Marissa 12.3%
St. Clair County 31.8%
Illinois 37.8%

Adults without a high school diploma

2.4%
of adults (25+) without a high school diploma
Marissa 2.4%
St. Clair County 6.6%
Illinois 9.6%
School Enrollment
Who is enrolled in school and at what level

School enrollment

215
population (age 3+) enrolled in school
Nursery / Preschool
0%
K–12
91.2%
College / Undergraduate
8.8%
Graduate / Professional
0%

College-going rate (18-24 yr olds)

25.4%
of 18-24-year-olds in college or graduate school
Marissa
25.4%
St. Clair 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
Marissa St. Clair County Illinois
Total enrolled (age 3+) 215 62,797 3,051,569
Nursery / preschool 0% 5.9% 6.3%
K–12 91.2% 70.3% 67.3%
Kindergarten 3.7% 5.3% 4.9%
Elementary: Grades 1–4 34% 19.5% 19.5%
Elementary: Grades 5–8 38.1% 22.6% 20.8%
High School: Grades 9–12 15.3% 22.9% 22.1%
College or graduate school 8.8% 23.9% 26.4%
College, undergraduate 8.8% 18.2% 19.8%
Graduate, professional school 0% 5.6% 6.6%
College-going rate · 18-24 yr olds 25.4% 32.1% 41.4%
School type
Public school 93% 82.5% 80.5%
Private school 7% 17.5% 19.5%
Education Attainment by Level & Gender
What is the highest level of education completed among adults

Education attainment

951
population 25 years and over
Total adults (25+)
Less than 9th grade
0%
9th-12th, no diploma
2.4%
HS graduate
43.1%
Some college no degree
30.6%
Associates degree
11.6%
Bachelors degree
6.3%
Graduate or professional degree
6%

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 Marissa due to an insufficient sample size to produce reliable estimates.
% male · % female
Less than 9th grade
—% · —%
9th-12th, no diploma
56.5% · 43.5%
HS graduate
55.6% · 44.4%
Some college no degree
47.4% · 52.6%
Associates degree
31.8% · 68.2%
Bachelors degree
38.3% · 61.7%
Graduate or professional degree
64.9% · 35.1%

Educational Attainment Overview

Distribution and key education attainment rates for adults (25+)
Highest credential completed · adults 25+
Marissa St. Clair County Illinois
Population (25+) 951 174,645 8,767,004
Less than 9th grade 0% 2.2% 4.6%
9th–12th, no diploma 2.4% 4.4% 5%
High school diploma or GED 43.1% 27% 25.1%
Some college, no degree 30.6% 23.5% 19.2%
Associate's degree 11.6% 11.2% 8.3%
Bachelor's degree or higher 12.3% 31.8% 37.8%
Bachelor's degree 6.3% 18% 22.6%
Graduate or professional 6% 13.8% 15.3%
High School or higher 97.6% 93.5% 90.5%
Earnings by education level
percentage as applicable

Median Earnings

$45,455
Median earnings for adults 25+, by level
Less than HS graduate
$—
HS graduate
$29,318
Some college or associates
$56,905
Bachelors degree
$43,125
Graduate or professional degree
$73,618

Poverty Rate

0%
for ages 25+, with bachelors degree or higher
Less than HS graduate
52.2%
HS graduate
19.3%
Some college or associates
3%
Bachelors degree or higher
0%

Outcomes by Education Level

Earnings and poverty rates across education levels (25+)
Adults 25+
Marissa St. Clair County Illinois
Median earnings
Population 25+, with earnings $45,455 $50,612 $55,582
Less than high school graduate $— $30,433 $34,655
High school graduate (includes equivalency) $29,318 $35,670 $40,965
Some college or associate's degree $56,905 $46,016 $47,813
Bachelor's degree $43,125 $61,938 $73,326
Graduate or professional degree $73,618 $82,412 $91,623
Poverty rates
Less than high school graduate 52.2% 30.4% 21.6%
High school graduate (includes equivalency) 19.3% 17.4% 14.4%
Some college or associate's degree 3% 9.2% 9.9%
Bachelor's degree or higher 0% 4.1% 4.5%

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