Marengo is a city located in DeKalb County and McHenry County Illinois. Marengo has a 2024 population of 7,577. Marengo is currently growing at a rate of 0.08% annually and its population has increased by 0.32% since the most recent census, which recorded a population of 7,553 in 2020.
The average household income in Marengo is $87,595 with a poverty rate of 15.74%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Marengo is 31.1 years, 31.1 years for males, and 31.1 years for females.
According to the most recent ACS, the racial composition of Marengo was:
White
Two or more races
Other race
Black or African American
Native American
Asian
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 2,918 | 2.54 | 63.2 | 36.8 |
| Married | 1,286 | 3.46 | 81.6 | 18.4 |
| Non Family | 1,024 | 1.08 | 63.9 | 36.1 |
| Female | 444 | 2.95 | 23.4 | 76.6 |
| Male | 164 | 3.3 | 22 | 78 |
3.15
Average Family Size
2.54
Average Household Size
63.2%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
The highest rate of high school graduation is among other race people with a rate of 100%.
The highest rate of bachelors degrees is among other race people with a rate of 36.59%.
All
Male
Female
$49,950
Average Earnings
$67,118
Average Male
$32,356
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
86.41% of Marengo residents speak only English, while 13.59% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 10.96% of the population.
rate
15.74%
Overall Poverty Rate
10.05%
Male Poverty Rate
21.65%
Female Poverty Rate
The race most likely to be in poverty in Marengo is Black, with 32.31% below the poverty level.
The race least likely to be in poverty in Marengo is Hispanic, with 15.44% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 5.1%. Among those working part-time, it was 17.44%, and for those that did not work, the poverty rate was 24.16%.
Married
Widowed
Divorced
Separated
NeverMarried
45.9%
Overall Marriage Rate
46.9%
Male Marriage Rate
44.9%
Female Marriage Rate
male
female
The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 35-44.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
0%
Veteran Poverty Rate
38.26%
Veteran Disability Rate
LaborForceParticipation
68.4%
Labor Force Participation
63.3%
Employment Rate
7.1%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
77.91%
Born in Marengo
91.62%
Native Born
8.38%
Foreign Born
3.08%
Non Citizen
5.3%
Naturalized
91.62% of Marengo residents were born in the United States, with 77.91% having been born in Illinois. 3.08% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2029 | 7,607 | 6 | 0.08% |
| 2028 | 7,601 | 6 | 0.08% |
| 2027 | 7,595 | 6 | 0.08% |
| 2026 | 7,589 | 6 | 0.08% |
| 2025 | 7,583 | 6 | 0.08% |
| 2024 | 7,577 | 6 | 0.08% |
| 2023 | 7,571 | 6 | 0.08% |
| 2022 | 7,565 | -16 | -0.21% |
| 2021 | 7,581 | 28 | 0.37% |
| 2020 | 7,553 | 118 | 1.59% |
| 2019 | 7,435 | -34 | -0.46% |
| 2018 | 7,469 | 1 | 0.01% |
| 2017 | 7,468 | -10 | -0.13% |
| 2016 | 7,478 | -38 | -0.51% |
| 2015 | 7,516 | -26 | -0.34% |
| 2014 | 7,542 | -28 | -0.37% |
| 2013 | 7,570 | -47 | -0.62% |
| 2012 | 7,617 | -26 | -0.34% |
| 2011 | 7,643 | -29 | -0.38% |
| 2010 | 7,672 | 1,317 | 20.72% |
| 2000 | 6,355 | 1,587 | 33.28% |
| 1990 | 4,768 | 407 | 9.33% |
| 1980 | 4,361 | 126 | 2.98% |
| 1970 | 4,235 | 667 | 18.69% |
| 1960 | 3,568 | 842 | 30.89% |
| 1950 | 2,726 | 0 | 0% |