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COUNTY · 2020 ACS

Marion County

Illinois · 37,729 residents · 572.538 sq mi
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The short version

Marion County has lower-than-average household income, with a median household income of $49,925. Population has declined 10% since 2000. 16% of adults hold a bachelor's degree or higher, below the national rate of 33%. Median home value has risen by half since 2000, reaching $81,600. Households here earn about 27% less than the Illinois median.

At a glance
Lower income
below the US median
US median: $66,278
Older
median age 42.7
US median: 38.8
Less educated
16% hold a bachelor's degree
US average: 33%
Stable housing
home values roughly flat, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
37,729
−10%since 2000
from 41,691 in 2000
1990 – 2025
Population density
66 / sq mi
−10%since 2000
from 73 / sq mi in 2000
US average: 280
Median age
42.7
+11%since 2000
from 38.4 in 2000
US average: 38.8
Population, 1990 – 2024
37K38K39K41K42K1990201020202024Marion County
202437K
1990201020202024
Section 02

Income & economy

Median household income
$49,925
−6%inflation adjusted, since 2000
from $35,227 in 2000
US average: $66,278
1990 – 2024
Per capita income
$26,853
+56%since 2000
from $17,235 in 2000
US average: $35,364
Households earning $100K+
30.3%
+12.2 ptssince 2009
from 18.1% in 2009
US average: 43.9%
Poverty rate
16.5%
+5.3 ptssince 2000
from 11.3% in 2000
US average: 12.8%
Workforce by industry, 2020
Retail trade17.9%
US avg: 10%
Information11.1%
US avg: 11.1%
Finance & insurance6.8%
US avg: 5.5%
Professional, scientific, technical6.1%
US avg: 4.7%
Wholesale trade4.7%
US avg: 6.7%
Other services3.9%
US avg: 6.6%
Public administration2.8%
US avg: 4.7%
Transportation & warehousing2.4%
US avg: 2.5%
Agriculture, forestry, fishing2.3%
US avg: 1.7%
Construction2.1%
US avg: 1.2%
Arts, entertainment, food1.3%
US avg: 2%
Education & health services0.7%
US avg: 0.8%
Manufacturing0.2%
US avg: 0.5%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$81,600
+1%inflation adjusted, since 2000
from $53,500 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$639
+15%inflation adjusted, since 2000
from $371 in 2000
US average: $1,124
Owner-occupied
73.7%
−2.9 ptssince 2000
from 76.6% in 2000
26.3% rent
Afford Score
1.6
+8%since 2000
from 1.5 in 2000
1990 – 2024
RELATED:See current rent listings in Marion County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic93.4%(38,951)
Black3.8%(1,593)
Hispanic / Latino0.9%(378)
Asian0.6%(235)
Other0%
Diversity Score12.8%(5,353)
Segregation Score0%
2020
White, non-Hispanic87.9%(33,150)
Black4%(1,509)
Hispanic / Latino1.9%(712)
Asian0.9%(349)
Other3.3%(1,245)
Diversity Score24.1%(9,078)
Segregation Score38.5%(14,507)
Diversity Score
24
+87%since 2000
from 13 in 2000
1990 – 2024
Segregation Score
38
Section 05

Education

Bachelor's degree or higher
16.2%
+4.1 ptssince 2000
from 12.1% in 2000
US average: 32.9%
High school or higher
89.5%
+10.3 ptssince 2000
from 79.1% in 2000
US average: 88.5%
Graduate degree
5.8%
+1.7 ptssince 2000
from 4.1% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
19.4 min
+42%since 2000
from 13.7 min in 2000
US average: 26.9
Drive alone to work
84.9%
+3.4 ptssince 2009
from 81.6% in 2009
US average: 75.1%
No vehicle available
6.1%
−2.0 ptssince 2009
from 8.1% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
8.8%
−1.7 ptssince 2011
from 10.5% in 2011
US average: 5.4%
Labor force participation
60.4%
−1.2 ptssince 2011
from 61.6% in 2011
US average: 63.4%
Management & professional
28.2%
−28.9 ptssince 2009
from 57.1% in 2009
US average: 39.3%
Section 08

People & community

Male
48.9%
+0.6 ptssince 2009
from 48.3% in 2009
Female
51.1%
−0.6 ptssince 2009
from 51.7% in 2009
Foreign born
1.1%
Unchangedsince 2009
from 1.1% in 2009
US average: 13.5%
Uninsured
6.5%
−82.0 ptssince 2013
from 88.5% in 2013
US average: 8.8%
Drill deeper

Places similar to Marion County

Jefferson County
Pop 36,147
Fulton County
Pop 32,901
Madison County
Pop 32,919
Christian County
Pop 33,443
Places similar to Marion County
Head to head

Compare Marion County to nearby counties

MARION COUNTY VS
Jefferson County
Income$63,118+26%
Home value$126,000+54%
Population36,147−1%
SEE FULL COMPARISON →
MARION COUNTY VS
Clay County
Income$60,417+21%
Home value$97,400+19%
Population12,793−65%
SEE FULL COMPARISON →
MARION COUNTY VS
Fayette County
Income$60,944+22%
Home value$130,700+60%
Population20,790−43%
SEE FULL COMPARISON →
MARION COUNTY VS
Clinton County
Income$86,588+73%
Home value$192,400+136%
Population37,128+2%
SEE FULL COMPARISON →
Frequently asked

How many people live in Marion County, Illinois?

Marion County, Illinois has about 37,729 residents according to the 2020 American Community Survey.

What is the median household income in Marion County, Illinois?

The typical household in Marion County, Illinois earns about $49,925 a year. Half of households make more than that, and half make less.

Is Marion County, Illinois expensive?

In Marion County, Illinois, the median home is worth about $81,600, and the typical rent is about $639 a month.

How educated are people in Marion County, Illinois?

About 16.2% of adults age 25 and over in Marion County, Illinois hold a bachelor's degree or higher.

What is the poverty rate in Marion County, Illinois?

About 16.5% of people in Marion County, Illinois live below the federal poverty line.

Has Marion County, Illinois grown since 1990?

Yes, Marion County, Illinois has shrunk since 1990. The population has lost about 3,832 residents, a change of about -9 percent over that period.

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Explore from here

12 census tracts
Census Tract 9520Census Tract 9522Census Tract 9524Census Tract 9516Census Tract 9523Census Tract 9527Census Tract 9521Census Tract 9519Census Tract 9517Census Tract 9525Census Tract 9526Census Tract 9518
10 ZIP codes
ZIP 62801ZIP 62881ZIP 62870ZIP 62882ZIP 62849ZIP 62854ZIP 62875ZIP 62853ZIP 62807ZIP 62892
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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