Marengo vs Spring Grove

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

Marengo and Spring Grove 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 5,866 in Spring Grove). Spring Grove has the higher median household income ($133,224 vs $72,586 in Marengo). Spring Grove has the higher median home value ($371,200 vs $206,100 in Marengo).

Population, income & housing

	Marengo	Spring Grove
Population	7,123	5,866
Median age	33.3 yrs	38.9 yrs
Median household income	$72,586	$133,224
Median home value	$206,100	$371,200
Median gross rent	$1,077	—
Housing units	2,898	1,867
Homeownership rate	68.8%	97.1%
Bachelor's degree or higher	16.5%	41.8%
Unemployment rate	8.8%	8.7%

Trends (ACS 5-year, 2019–2023)

	Marengo	Spring Grove
Population	7,969 → 7,123 (-10.6%)	5,614 → 5,866 (+4.5%)
Median household income	$63,694 → $72,586 (+14.0%)	$123,150 → $133,224 (+8.2%)
Median home value	$154,200 → $206,100 (+33.7%)	$302,700 → $371,200 (+22.6%)
Median gross rent	$912 → $1,077 (+18.1%)	$2,101 → $2,226 (+5.9%)

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

Spring Grove

Population

5,6145,866

Median household income

$123,150$133,224

Median home value

$302,700$371,200

Median gross rent

$2,101$2,226

Age & race/ethnicity

Age distribution (share)

	Marengo	Spring Grove
Under 5	8.8%	7.7%
5 to 17	16.7%	18.2%
18 to 24	9.3%	6.7%
25 to 34	17.4%	11.8%
35 to 44	9.7%	11.1%
45 to 54	7.3%	14.0%
55 to 64	14.2%	17.8%
65 to 74	7.3%	8.5%
75 and over	9.3%	4.2%

Race & ethnicity (share)

	Marengo	Spring Grove
White (non-Hispanic)	84.5%	80.8%
Black or African American	1.3%	0.0%
American Indian & Alaska Native	0.0%	0.1%
Asian	0.0%	1.3%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	0.2%
Two or more races	2.0%	10.1%
Hispanic or Latino	12.2%	7.6%

Educational attainment (age 25+)

Share of adults 25+

	Marengo	Spring Grove
No high school diploma	8.0%	1.7%
High school graduate	39.5%	21.2%
Some college or associate's	36.0%	35.3%
Bachelor's degree	13.6%	30.3%
Graduate or professional degree	2.9%	11.5%

Commute to work

How workers get to work (share)

	Marengo	Spring Grove
Drove alone	81.8%	74.2%
Carpooled	10.8%	2.4%
Public transit	0.0%	2.6%
Walked	0.9%	0.0%
Bicycle	0.4%	0.0%
Worked from home	6.1%	19.5%
Other means	0.0%	1.3%

Housing

Units in structure (share)

	Marengo	Spring Grove
1-unit, detached	58.7%	97.4%
1-unit, attached	16.0%	0.0%
2 to 4 units	7.7%	2.2%
5 to 19 units	11.0%	0.0%
20 or more units	0.8%	0.0%
Mobile home & other	5.8%	0.4%

Poverty & households

	Marengo	Spring Grove
Poverty rate	15.6%	1.0%
Average household size	2.53	3.14
Mean commute (minutes)	28	33
Median year structure built	1974	1997