Housing data for Marengo, IL
Marengo, IL has an estimated 7,040 residents and 2,788 homes (US Census Bureau, 2020–2024 American Community Survey).
It is a city in McHenry County.
36.9% of households rent.
The median gross rent is $1,176 a month.
Its population shrank measurably since 2015–2019 (−11.7%).
Figures last updated on .
- Residents
- 7,040 (±441)
- Housing units
- 2,788 (±233)
- Households that rent
- 36.9%
- Median gross rent
- $1,176
- Residents since 2015–2019
- −11.7%
What stands out in Marengo
Households that rent: 36.9% (±8.6 points) in Marengo, higher than in McHenry County (17.3%).
Working from home: 8.0% (±3.7 points) in Marengo, lower than in McHenry County (16.1%).
Homes built before 1980: 54.5% (±11.5 points) in Marengo, higher than in McHenry County (38.4%).
Median household income: $73,523 (±$27,241) in Marengo, lower than in McHenry County ($104,802).
- Renters and owners in Marengo
- Commute and cars in Marengo
- Age of homes in Marengo
- Income and affordability in Marengo
Housing in Marengo at a glance
- Median rent: $1,176 median gross rent a month
- Rent by bedrooms: $1,269 median gross rent, 2 bedrooms
- Rent burden: 55.1% of renters pay 30% or more of income
- Renters and owners: 36.9% of households rent
- Income and affordability: $73,523 median household income
- Home values: $229,900 median home value
- Homeowner costs: $1,648 median monthly cost with a mortgage
- Property taxes: $5,234 median real estate taxes a year
- Types of homes: 12.7% of homes are in buildings of 5 or more units
- Bedrooms: 54.3% of homes have 3 or more bedrooms
- Age of homes: 54.5% of homes were built before 1980
- Vacancy rate: 2.7% rental vacancy rate (Small sample: wide margin of error)
- Heating fuel: 72.2% heat with utility gas
- Commute and cars: 30.1 minutes average trip to work
- Crime reported to police: 194 violent crimes per 100,000 residents
- Growth: −11.7% residents since 2015–2019
- How long people stay: 18.3% moved in since 2020
- Crowding and facilities: 4.4% of homes have more than 1 person per room (Small sample: wide margin of error)
Marengo against McHenry County, its state and the nation
| Marengo | McHenry County | Illinois | United States | |
|---|---|---|---|---|
| Residents | 7,040 (±441) | 312,591 (exact) | 12,694,798 (exact) | 334,922,499 |
| Housing units | 2,788 (±233) | 121,329 (±69) | 5,457,452 (±471) | 143,775,355 |
| Households that rent | 36.9% (±8.6 points) | 17.3% (±1.0 points) | 32.9% (±0.2 points) | 34.8% |
| Median gross rent | $1,176 (±$220) | $1,401 (±$41) | $1,274 (±$5) | $1,413 |
| Median household income | $73,523 (±$27,241) | $104,802 (±$2,178) | $83,390 (±$362) | $80,734 |
| Median home value | $229,900 (±$9,621) | $308,100 (±$3,743) | $263,300 (±$797) | $332,700 |
| Median real estate taxes (a year) | $5,234 (±$533) | $7,274 (±$94) | $5,298 (±$22) | $3,119 |
| Built before 1980 | 54.5% (±11.5 points) | 38.4% (±1.3 points) | 63.4% (±0.2 points) | 49.7% |
| Average commute | 30.1 minutes (±3.3) | 30.1 minutes (±0.4) | 27.8 minutes (±0.1) | 26.4 minutes |
| Households with broadband | 95.8% (±3.1 points) | 95.4% (±0.5 points) | 90.8% (±0.1 points) | 91.0% |
| Median age of residents | 31.9 years (±4.8) | 40.7 years (±0.3) | 39.0 years (±0.1) | 38.9 years |
Marengo covers 8.9 square miles of land, about 791 residents per square mile (Census Bureau Gazetteer).
How Marengo has changed since 2015–2019
| 2015–2019 | 2020–2024 | Amount of change | Verdict | |
|---|---|---|---|---|
| Residents | 7,969 (±456) | 7,040 (±441) | −11.7% | Measurable decrease |
| Housing units | 3,126 (±187) | 2,788 (±233) | −10.8% | Measurable decrease |
| Median gross rent | $912 (±$89) | $1,176 (±$220) | +28.9% | No measurable change after inflation |
| Median home value | $154,200 (±$8,180) | $229,900 (±$9,621) | +49.1% | Up after inflation |
| Median household income | $63,694 (±$12,220) | $73,523 (±$27,241) | +15.4% | No measurable change after inflation |
| Median owner cost with a mortgage | $1,562 (±$88) | $1,648 (±$101) | +5.5% | Down after inflation |
| Median real estate taxes | $3,873 (±$221) | $5,234 (±$533) | +35.1% | No measurable change after inflation |
| Households that rent | 30.2% (±6.5 points) | 36.9% (±8.6 points) | +6.7 percentage points | Not a measurable change |
| Rental vacancy rate | 3.3% (±4.9 points) | 2.7% (±4.5 points) | −0.6 percentage points | Not a measurable change |
The Census Bureau publishes 2015–2019 dollars in 2019 dollars and 2020–2024 dollars in 2024 dollars.
Prices (the CPI-U, US Bureau of Labor Statistics) rose 22.7% between 2019 and 2024, so a dollar figure’s verdict compares the two after raising the earlier one by that much, using the Census Bureau’s test for a difference.
The two periods do not overlap, as the Census Bureau recommends for 5-year estimates.
Crime reported to police in Marengo
In 2025, the Marengo Police Department reported 194 violent and 659 property crimes per 100,000 residents to the FBI.
Across McHenry County, the departments that report recorded 63 violent and 475 property crimes per 100,000 residents that year.
Places near Marengo
| Place | Distance | Median gross rent | Median home value | Households that rent |
|---|---|---|---|---|
| Union | 2.9 mi | $1,692 | $252,200 | 12.4% |
| Marengo Township | 3.8 mi | $1,152 | $234,900 | 37.9% |
| Riley Township | 4.5 mi | — | $365,700 | 4.0% |
| Coral Township | 4.8 mi | $1,671 | $392,700 | 12.2% |
| Seneca Township | 4.8 mi | — | $408,900 | 5.8% |
| Bonus Township | 8.7 mi | — | $258,200 | 7.1% |
| Spring Township | 8.9 mi | — | $277,600 | 0.0% |
| Dunham Township | 8.9 mi | $1,165 | $247,400 | 18.8% |
Places in Illinois most like Marengo
| Place | Median gross rent | Median home value | Median household income | Households that rent |
|---|---|---|---|---|
| Marengo Township | $1,152 | $234,900 | $74,172 | 37.9% |
| Chemung Township | $1,198 | $184,300 | $67,742 | 37.3% |
| Harvard | $1,183 | $175,400 | $67,617 | 40.3% |
| Creston | $988 | $167,400 | $66,667 | 36.7% |
| Carpentersville | $1,414 | $234,100 | $86,917 | 28.5% |
| Genoa | $940 | $225,200 | $82,128 | 31.2% |
Matched on rent, home value, income, the share who rent, the age of the homes, the share in apartment buildings and the commute, each measured against the spread across Illinois.
HUD Fair Market Rent for Marengo, fiscal year 2027
| Studio | 1 bedroom | 2 bedrooms | 3 bedrooms | 4 bedrooms |
|---|---|---|---|---|
| $1,678 | $1,780 | $2,011 | $2,586 | $2,954 |
HUD income limits for Marengo, fiscal year 2026
| Household size | Extremely low (30%) | Very low (50%) | Low (80%) |
|---|---|---|---|
| 1 person | $25,550 | $42,550 | $68,050 |
| 2 people | $29,200 | $48,600 | $77,800 |
| 3 people | $32,850 | $54,700 | $87,500 |
| 4 people | $36,450 | $60,750 | $97,200 |
| 5 people | $39,400 | $65,650 | $105,000 |
| 6 people | $44,360 | $70,500 | $112,800 |
| 7 people | $50,040 | $75,350 | $120,550 |
| 8 people | $55,720 | $80,200 | $128,350 |
These are the limits HUD sets for its housing programs in the Chicago-Joliet-Naperville, IL HUD Metro FMR Area, where HUD’s median family income for fiscal year 2026 is $121,500.
A program can use its own limits; tax-credit and local programs often do.
Survey years: 2020–2024 (American Community Survey 5-year estimates), compared with 2015–2019.
Margins of error are at the 90% confidence level.
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Questions about Marengo
What is the average rent in Marengo, IL?
The Census Bureau publishes the median rather than the average: the median gross rent in Marengo is $1,176 (±$220) a month (2020–2024 American Community Survey), so half of renting households pay less and half pay more.
How much is a one-bedroom apartment in Marengo?
The median gross rent for a one-bedroom home in Marengo, IL is $622 (±$382) a month (2020–2024 American Community Survey).
Are renters in Marengo rent-burdened?
55.1% of renting households in Marengo pay 30% or more of their income in gross rent, the share housing researchers usually call rent-burdened (2020–2024 American Community Survey).
How many renters are there in Marengo?
Marengo has an estimated 1,003 (±247) renting households, 36.9% of its occupied homes (2020–2024 American Community Survey).
What is the median household income in Marengo?
The median household income in Marengo is $73,523 (±$27,241) a year (2020–2024 American Community Survey).
What is the average home value in Marengo, IL?
The Census Bureau publishes the median: $229,900 (±$9,621) for owner-occupied homes in Marengo (2020–2024 American Community Survey).
Is Marengo growing?
In Marengo, the number of residents went from 7,969 in 2015–2019 to 7,040 in 2020–2024 (−11.7%), a measurable decrease.
Sources
- Demographic and Housing Estimates (DP05), 2020–2024 ACS 5-year estimates — Marengo city, Illinois
- Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Marengo city, Illinois
- Selected Economic Characteristics (DP03), 2020–2024 ACS 5-year estimates — Marengo city, Illinois
- Median Real Estate Taxes Paid by Mortgage Status (B25103), 2020–2024 ACS 5-year estimates — Marengo city, Illinois
- Selected Social Characteristics (DP02), 2020–2024 ACS 5-year estimates — Marengo city, Illinois
- Total Population (B01003), 2015–2019 ACS 5-year estimates — Marengo city, Illinois
- Median Gross Rent (B25064), 2015–2019 ACS 5-year estimates — Marengo city, Illinois
- HUD Fair Market Rents, fiscal year 2027: Chicago-Joliet-Naperville, IL HUD Metro FMR Area
- HUD Small Area Fair Market Rents, fiscal year 2027
- HUD Income Limits, fiscal year 2026: Chicago-Joliet-Naperville, IL HUD Metro FMR Area
- FBI Uniform Crime Reporting Program, Crime Data Explorer: Marengo Police Department (ORI IL0561000)
- FBI: Uniform Crime Reporting statistics and their proper use
- Consumer Price Index for All Urban Consumers (CPI-U), US city average, all items, US Bureau of Labor Statistics: annual averages 2019 and 2024
- US Census Bureau, 2024 Gazetteer Files
To check these figures in the Census Bureau’s own API, request the variables below from the 2024 ACS 5-year data profile (acs/acs5/profile) for Marengo city, Illinois (place:46786, in state:17).
Each estimate (E or PE) has a margin of error beside it (M or PM).
The 2015–2019 figures are B01003_001E, B01003_001M, B25064_001E, B25064_001M from the 2019 release.
The API needs a free key.
DP05_0001E, DP05_0001M, DP04_0001E, DP04_0001M, DP04_0047PE, DP04_0047PM, DP04_0134E, DP04_0134M, DP03_0062E, DP03_0062M, DP04_0089E, DP04_0089M
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.
Figures are published by the US Census Bureau, HUD, the Bureau of Labor Statistics and the FBI; Seayora reproduces them and does not adjust them, except where a sentence says it compares dollar figures after inflation. They describe the whole place, not any one building or street, and are not an appraisal, a rent determination, a tax bill, a safety rating or legal advice.
Figures last updated on .