Johnsburg vs Marengo

A side-by-side comparison of Johnsburg and Marengo: population, income, housing, and more.

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

Marengo has the higher population (7,123 vs 6,374 in Johnsburg). Johnsburg has the higher median household income ($106,827 vs $72,586 in Marengo). Johnsburg has the higher median home value ($312,200 vs $206,100 in Marengo).

Population, income & housing

	Johnsburg	Marengo
Population	6,374	7,123
Median age	41.3 yrs	33.3 yrs
Median household income	$106,827	$72,586
Median home value	$312,200	$206,100
Median gross rent	$1,330	$1,077
Housing units	2,631	2,898
Homeownership rate	88.4%	68.8%
Bachelor's degree or higher	30.6%	16.5%
Unemployment rate	2.2%	8.8%

Trends (ACS 5-year, 2019–2023)

	Johnsburg	Marengo
Population	6,384 → 6,374 (-0.2%)	7,969 → 7,123 (-10.6%)
Median household income	$117,684 → $106,827 (-9.2%)	$63,694 → $72,586 (+14.0%)
Median home value	$277,500 → $312,200 (+12.5%)	$154,200 → $206,100 (+33.7%)
Median gross rent	$1,410 → $1,330 (-5.7%)	$912 → $1,077 (+18.1%)

Johnsburg

Population

6,3846,374

Median household income

$117,684$106,827

Median home value

$277,500$312,200

Median gross rent

$1,410$1,330

Marengo

Population

7,9697,123

Median household income

$63,694$72,586

Median home value

$154,200$206,100

Median gross rent

$912$1,077

Age & race/ethnicity

Age distribution (share)

	Johnsburg	Marengo
Under 5	6.7%	8.8%
5 to 17	16.6%	16.7%
18 to 24	7.0%	9.3%
25 to 34	12.2%	17.4%
35 to 44	10.5%	9.7%
45 to 54	12.8%	7.3%
55 to 64	16.6%	14.2%
65 to 74	11.5%	7.3%
75 and over	6.2%	9.3%

Race & ethnicity (share)

	Johnsburg	Marengo
White (non-Hispanic)	86.7%	84.5%
Black or African American	1.2%	1.3%
American Indian & Alaska Native	0.0%	0.0%
Asian	1.0%	0.0%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.7%	0.0%
Two or more races	3.3%	2.0%
Hispanic or Latino	7.2%	12.2%

Educational attainment (age 25+)

Share of adults 25+

	Johnsburg	Marengo
No high school diploma	3.9%	8.0%
High school graduate	31.6%	39.5%
Some college or associate's	33.8%	36.0%
Bachelor's degree	18.8%	13.6%
Graduate or professional degree	11.8%	2.9%

Commute to work

How workers get to work (share)

	Johnsburg	Marengo
Drove alone	82.4%	81.8%
Carpooled	6.4%	10.8%
Public transit	1.0%	0.0%
Walked	0.0%	0.9%
Bicycle	0.0%	0.4%
Worked from home	10.2%	6.1%
Other means	0.0%	0.0%

Housing

Units in structure (share)

	Johnsburg	Marengo
1-unit, detached	90.2%	58.7%
1-unit, attached	6.7%	16.0%
2 to 4 units	1.4%	7.7%
5 to 19 units	1.4%	11.0%
20 or more units	0.4%	0.8%
Mobile home & other	0.0%	5.8%

Poverty & households

	Johnsburg	Marengo
Poverty rate	11.9%	15.6%
Average household size	2.71	2.53
Mean commute (minutes)	29	28
Median year structure built	1986	1974