United States › Illinois › Monroe County COUNTY · 2000 CENSUS
Monroe County Illinois · 27,619 residents · 385 sq mi
Time machine
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The short version
Monroe County is home to 27,619 people in Illinois. 80% of homes are owner-occupied. The poverty rate is 3.4%, under the national 12.4%. The population is up 23% since 1990. That is roughly 19% ahead of the Illinois median. Median household income runs $55,320, well clear of the $42,589 US median.
At a glance
Wealthier
above the US median
US median: $42,589
Older
median age 37.5
US median: 35.2
Less educated
20% hold a bachelor's degree
US average: 24%
Less affordable
home values up 35%, inflation adjusted
US median home: $120,530
Section 01
Population & growth from 34.0 in 1990
US average: 35.2
Population, 1990 – 2024
21K 25K 29K 33K 36K 1990 2000 2010 2020 2024 Monroe County Age distribution, 2000
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $55,320
+20%inflation adjusted, since 1990
from $35,086 in 1990
US average: $42,589
from $13,886 in 1990
US average: $21,522
from 4.8% in 1990
US average: 12.4%
$125,900
+35%inflation adjusted, since 1990
from $70,700 in 1990
US average: $120,530
$562
+13%inflation adjusted, since 1990
from $376 in 1990
US average: $602
from 78.6% in 1990
19.8% rent
Section 04
Race & ethnicity 1990
White, non-Hispanic 99.2%(22,238)
Hispanic / Latino 0.6%(143)
2000
White, non-Hispanic 98.3%(27,156)
Hispanic / Latino 0.7%(203)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry Detailed origin tables are available for 2024; showing 2024 data.
Ancestry
+ 23 more ancestry groups with data from 13.7% in 1990
US average: 24.4%
High school or higher
from 75.9% in 1990
US average: 80.3%
from 3.3% in 1990
US average: 8.8%
Section 06
Commute & transportation from 30.0 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 23.2%(2,432)
Women 15+
Never married 16.7%(1,854)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2000
Section 09
Health coverage Showing 2024 (the nearest year with coverage data).
from 5.9% in 2013
US average: 8.4%
from 73.9% in 2020
US average: 54.8%
Direct-purchase
from 14.7% in 2020
US average: 13.8%
from 18.5% in 2020
US average: 18.4%
from 7.4% in 2020
US average: 20.9%
VA health care
from 2.3% in 2020
US average: 2.2%
Any private
from 85.7% in 2020
US average: 67.1%
Any public
from 24.9% 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) 21.3%(505)
Gulf War (1990s) 27.3%(647)
Share of the 2,373 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 Monroe County Head to head
Compare Monroe County to nearby counties MONROE COUNTY VS
St. Clair County
Income $73,854 +34%
Home value $180,300 +43%
Population 250,708 +620%
SEE FULL COMPARISON →
MONROE COUNTY VS
Jefferson County
Income $82,851 +50%
Home value $237,200 +88%
Population 233,132 +569%
SEE FULL COMPARISON →
MONROE COUNTY VS
Randolph County
Income $68,131 +23%
Home value $135,100 +7%
Population 29,921 −14%
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MONROE COUNTY VS
St. Louis
Income $56,160 +2%
Home value $197,500 +57%
Population 278,144 +698%
SEE FULL COMPARISON →
Frequently asked
How many people live in Monroe County, Illinois? Monroe County, Illinois has about 27,619 residents according to the 2000 Census.
What is the median household income in Monroe County, Illinois? The typical household in Monroe County, Illinois earns about $55,320 a year. Half of households make more than that, and half make less.
Is Monroe County, Illinois expensive? In Monroe County, Illinois, the median home is worth about $125,900, and the typical rent is about $562 a month.
How educated are people in Monroe County, Illinois? About 20.4% of adults age 25 and over in Monroe County, Illinois hold a bachelor's degree or higher.
What is the poverty rate in Monroe County, Illinois? About 3.4% of people in Monroe County, Illinois live below the federal poverty line.
Has Monroe County, Illinois grown since 1990? Yes, Monroe County, Illinois has grown since 1990. The population has added about 5,197 residents, a change of about 23 percent over that period.
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