United States › Illinois › Marion CITY · 2000 CENSUS
Marion Illinois · 16,035 residents · 14.4 sq mi
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The short version
With 16,035 people, Marion is a city in Illinois. Households here earn about 35% less than in Illinois as a whole. At a median age of 39.6, this is an older place than the country as a whole. Home values have risen by half since 1990, reaching $64,800. 17% of adults hold a bachelor's degree or higher. Renters pay $407 a month at the median.
At a glance
Lower income
below the US median
US median: $42,589
Older
median age 39.6
US median: 35.2
Less educated
17% 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 from 37.7 in 1990
US average: 35.2
Population, 1990 – 2024
14K 15K 16K 17K 18K 1990 2000 2010 2020 2024 Marion Age distribution, 2000
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $30,364
+6%inflation adjusted, since 1990
from $21,683 in 1990
US average: $42,589
from $12,342 in 1990
US average: $21,522
from 17.3% in 1990
US average: 12.4%
$64,800
+14%inflation adjusted, since 1990
from $43,000 in 1990
US average: $120,530
$407
−1%inflation adjusted, since 1990
from $311 in 1990
US average: $602
from 67.4% in 1990
35.3% rent
Section 04
Race & ethnicity 1990
White, non-Hispanic 95%(13,817)
Hispanic / Latino 0.4%(64)
2000
White, non-Hispanic 92%(14,760)
Hispanic / Latino 1.6%(257)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry Detailed origin tables are available for 2024; showing 2024 data.
Ancestry
+ 20 more ancestry groups with data from 15.7% in 1990
US average: 24.4%
High school or higher
from 72.0% in 1990
US average: 80.3%
from 5.5% in 1990
US average: 8.8%
Section 06
Commute & transportation from 15.6 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 22.9%(1,348)
Women 15+
Never married 15.7%(1,106)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2000
Section 09
Health coverage Showing 2024 (the nearest year with coverage data).
from 14.4% in 2013
US average: 8.4%
from 51.6% in 2020
US average: 54.8%
Direct-purchase
from 10.6% in 2020
US average: 13.8%
from 24.0% in 2020
US average: 18.4%
from 26.7% in 2020
US average: 20.9%
VA health care
from 4.2% in 2020
US average: 2.2%
Any private
from 60.4% in 2020
US average: 67.1%
Any public
from 47.8% 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) 20.7%(264)
Gulf War (1990s) 21.7%(276)
Share of the 1,273 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
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Frequently asked
How many people live in Marion, Illinois? Marion, Illinois has about 16,035 residents according to the 2000 Census.
What is the median household income in Marion, Illinois? The typical household in Marion, Illinois earns about $30,364 a year. Half of households make more than that, and half make less.
Is Marion, Illinois expensive? In Marion, Illinois, the median home is worth about $64,800, and the typical rent is about $407 a month.
How educated are people in Marion, Illinois? About 16.8% of adults age 25 and over in Marion, Illinois hold a bachelor's degree or higher.
What is the poverty rate in Marion, Illinois? About 14.9% of people in Marion, Illinois live below the federal poverty line.
Has Marion, Illinois grown since 1990? Yes, Marion, Illinois has grown since 1990. The population has added about 1,490 residents, a change of about 10 percent over that period.
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