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COUNTY · 2000 CENSUS

Carroll County

Illinois · 16,674 residents · 445.406 sq mi
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The short version

Carroll County has lower-than-average household income, with a median household income of $37,148. Population has held roughly steady since 1990. 13% of adults hold a bachelor's degree or higher, below the national rate of 24%. Median home value has more than doubled since 1990, reaching $71,100. With a median age of 40.8, the population is older than the US median of 35.2.

At a glance
Lower income
below the US median
US median: $42,589
Older
median age 40.8
US median: 35.2
Less educated
13% hold a bachelor's degree
US average: 24%
Less affordable
home values up 40%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

16,674
−1%since 1990
from 16,805 in 1990
1990 – 2025
37 / sq mi
−1%since 1990
from 38 / sq mi in 1990
US average: 242
40.8
+9%since 1990
from 37.4 in 1990
US average: 35.2
Population, 19902024
14K15K16K16K17K1990201020202024Carroll County
202416K
1990201020202024
Section 02

Income & economy

$37,148
+9%inflation adjusted, since 1990
from $25,758 in 1990
US average: $42,589
1990 – 2024
$18,688
+51%since 1990
from $12,358 in 1990
US average: $21,522
9.6%
−2.1 ptssince 1990
from 11.7% in 1990
US average: 12.4%
Section 03

Housing

$71,100
+40%inflation adjusted, since 1990
from $38,600 in 1990
US average: $120,530
1990 – 2024
$385
+2%inflation adjusted, since 1990
from $286 in 1990
US average: $602
76.7%
+4.9 ptssince 1990
from 71.8% in 1990
23.3% rent
1.9
+28%since 1990
from 1.5 in 1990
1990 – 2024
RELATED:See current rent listings in Carroll County on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic98%(16,475)
Black1.1%(182)
Hispanic / Latino2.2%(365)
Asian0.2%(42)
Diversity Score9.8%(1,653)
2000
White, non-Hispanic95.9%(15,988)
Black0.5%(90)
Hispanic / Latino2%(340)
Asian0.4%(68)
Diversity Score7.4%(1,230)
7
−25%since 1990
from 10 in 1990
1990 – 2024
Section 05

Education

13.1%
+2.6 ptssince 1990
from 10.6% in 1990
US average: 24.4%
High school or higher
83.3%
+7.3 ptssince 1990
from 76.0% in 1990
US average: 80.3%
3.7%
+0.7 ptssince 1990
from 3.1% in 1990
US average: 8.8%
Section 06

Commute & transportation

16.7 min
−34%since 1990
from 25.4 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.

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Frequently asked

How many people live in Carroll County, Illinois?

Carroll County, Illinois has about 16,674 residents according to the 2000 Census.

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

The typical household in Carroll County, Illinois earns about $37,148 a year. Half of households make more than that, and half make less.

Is Carroll County, Illinois expensive?

In Carroll County, Illinois, the median home is worth about $71,100, and the typical rent is about $385 a month.

How educated are people in Carroll County, Illinois?

About 13.1% of adults age 25 and over in Carroll County, Illinois hold a bachelor's degree or higher.

What is the poverty rate in Carroll County, Illinois?

About 9.6% of people in Carroll County, Illinois live below the federal poverty line.

Has Carroll County, Illinois grown since 1990?

Yes, Carroll County, Illinois has shrunk since 1990. The population has lost about 131 residents, a change of about -1 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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