Illiopolis vs Pleasant Plains

A side-by-side comparison of Illiopolis and Pleasant Plains: population, income, housing, and more.

Illiopolis and Pleasant Plains are places in Illinois. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Illiopolis has the higher population (854 vs 785 in Pleasant Plains). Pleasant Plains has the higher median household income ($78,542 vs $74,219 in Illiopolis). Pleasant Plains has the higher median home value ($152,000 vs $96,500 in Illiopolis).

Population, income & housing

	Illiopolis	Pleasant Plains
Population	854	785
Median age	45.5 yrs	35.2 yrs
Median household income	$74,219	$78,542
Median home value	$96,500	$152,000
Median gross rent	$675	$1,038
Housing units	383	352
Homeownership rate	80.1%	81.9%
Bachelor's degree or higher	18.4%	25.0%
Unemployment rate	2.0%	3.2%

Trends (ACS 5-year, 2019–2023)

	Illiopolis	Pleasant Plains
Population	822 → 854 (+3.9%)	774 → 785 (+1.4%)
Median household income	$64,063 → $74,219 (+15.9%)	$71,944 → $78,542 (+9.2%)
Median home value	$88,400 → $96,500 (+9.2%)	$115,200 → $152,000 (+31.9%)
Median gross rent	$625 → $675 (+8.0%)	$755 → $1,038 (+37.5%)

Illiopolis

Population

822854

Median household income

$64,063$74,219

Median home value

$88,400$96,500

Median gross rent

$625$675

Pleasant Plains

Population

774785

Median household income

$71,944$78,542

Median home value

$115,200$152,000

Median gross rent

$755$1,038

Age & race/ethnicity

Age distribution (share)

	Illiopolis	Pleasant Plains
Under 5	6.6%	2.4%
5 to 17	18.1%	19.2%
18 to 24	4.1%	8.2%
25 to 34	8.5%	19.6%
35 to 44	12.1%	9.7%
45 to 54	10.7%	12.1%
55 to 64	19.4%	13.4%
65 to 74	13.7%	7.9%
75 and over	6.8%	7.5%

Race & ethnicity (share)

	Illiopolis	Pleasant Plains
White (non-Hispanic)	93.6%	94.4%
Black or African American	2.2%	0.0%
American Indian & Alaska Native	0.0%	1.7%
Asian	0.6%	0.3%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	0.0%
Two or more races	2.9%	1.7%
Hispanic or Latino	0.7%	2.0%

Educational attainment (age 25+)

Share of adults 25+

	Illiopolis	Pleasant Plains
No high school diploma	10.7%	3.3%
High school graduate	47.2%	35.6%
Some college or associate's	23.7%	36.1%
Bachelor's degree	13.7%	17.4%
Graduate or professional degree	4.8%	7.6%

Commute to work

How workers get to work (share)

	Illiopolis	Pleasant Plains
Drove alone	79.4%	77.9%
Carpooled	4.4%	11.4%
Public transit	0.0%	0.0%
Walked	6.8%	1.1%
Bicycle	0.0%	0.0%
Worked from home	8.4%	6.0%
Other means	1.0%	3.6%

Housing

Units in structure (share)

	Illiopolis	Pleasant Plains
1-unit, detached	81.7%	88.1%
1-unit, attached	1.0%	3.7%
2 to 4 units	9.7%	5.1%
5 to 19 units	2.9%	0.0%
20 or more units	0.0%	0.0%
Mobile home & other	4.7%	3.1%

Poverty & households

	Illiopolis	Pleasant Plains
Poverty rate	4.3%	4.7%
Average household size	2.39	2.37
Mean commute (minutes)	24	25
Median year structure built	1955	1971