United States › Illinois › Marion County COUNTY · 2000 CENSUS
Marion County Illinois · 41,691 residents · 573 sq mi
Time machine
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The short version
With 41,691 people, Marion County is a county in Illinois. Four-year degrees are less common here than nationally, at 12% of adults. The typical home is worth $53,500, having risen by half since 1990. 77% of homes are owner-occupied. Households here earn about 24% less than in Illinois as a whole. The median age is 38.4, about 3 years above the US median.
At a glance
Lower income
below the US median
US median: $42,589
Older
median age 38.4
US median: 35.2
Less educated
12% hold a bachelor's degree
US average: 24%
Stable housing
home values roughly flat, inflation adjusted
US median home: $120,530
Section 01
Population & growth 41,691
Unchangedsince 1990
from 41,561 in 1990
from 35.1 in 1990
US average: 35.2
Population, 1990 – 2024
37K 38K 39K 41K 42K 1990 2000 2010 2020 2024 Marion County Age distribution, 2000
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $35,227
+17%inflation adjusted, since 1990
from $22,813 in 1990
US average: $42,589
from $11,500 in 1990
US average: $21,522
from 16.4% in 1990
US average: 12.4%
$53,500
+16%inflation adjusted, since 1990
from $35,000 in 1990
US average: $120,530
$371
−5%inflation adjusted, since 1990
from $295 in 1990
US average: $602
from 76.2% in 1990
23.4% rent
Section 04
Race & ethnicity 1990
White, non-Hispanic 94.8%(39,417)
Hispanic / Latino 0.5%(207)
2000
White, non-Hispanic 93.4%(38,951)
Hispanic / Latino 0.9%(378)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry Detailed origin tables are available for 2024; showing 2024 data.
Ancestry
+ 25 more ancestry groups with data from 9.6% in 1990
US average: 24.4%
High school or higher
from 70.1% in 1990
US average: 80.3%
from 3.3% in 1990
US average: 8.8%
Section 06
Commute & transportation from 17.8 min in 1990
US average: 17.6
Section 07
Work & employment No data for the years selected.
Section 08
People & community No data for the years selected.
Marital status
Men 15+
Never married 23.8%(3,698)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2000
Section 09
Health coverage Showing 2024 (the nearest year with coverage data).
from 11.5% in 2013
US average: 8.4%
from 48.3% in 2020
US average: 54.8%
Direct-purchase
from 13.3% in 2020
US average: 13.8%
from 22.0% in 2020
US average: 18.4%
from 29.8% in 2020
US average: 20.9%
VA health care
from 4.3% in 2020
US average: 2.2%
Any private
from 60.3% in 2020
US average: 67.1%
Any public
from 49.3% in 2020
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2024
Gulf War (2001 or later) 25.4%(559)
Share of the 2,199 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Drill deeper
Places similar to Marion County Head to head
Compare Marion County to nearby counties MARION COUNTY VS
Jefferson County
Income $63,118 +79%
Home value $126,000 +136%
Population 36,147 −1%
SEE FULL COMPARISON →
MARION COUNTY VS
Clay County
Income $60,417 +72%
Home value $97,400 +82%
Population 12,793 −65%
SEE FULL COMPARISON →
MARION COUNTY VS
Fayette County
Income $60,944 +73%
Home value $130,700 +144%
Population 20,790 −43%
SEE FULL COMPARISON →
MARION COUNTY VS
Clinton County
Income $86,588 +146%
Home value $192,400 +260%
Population 37,128 +2%
SEE FULL COMPARISON →
Frequently asked
How many people live in Marion County, Illinois? Marion County, Illinois has about 41,691 residents according to the 2000 Census.
What is the median household income in Marion County, Illinois? The typical household in Marion County, Illinois earns about $35,227 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 $53,500, and the typical rent is about $371 a month.
How educated are people in Marion County, Illinois? About 12.1% 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 11.3% of people in Marion County, Illinois live below the federal poverty line.
Has Marion County, Illinois grown since 1990? Yes, Marion County, Illinois has grown since 1990. The population has added about 130 residents, a change of about 0 percent over that period.
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