HomeIllinoisMcHenry CountyMarengo
Marengo, Illinois: commercial real estate data.
Marengo is a Census city of 7,040 people across 8.90 square miles of land, in McHenry County. Median household income is $73,523, 63.1 percent of occupied homes are owned, and the SBA record carries 7 7(a) approvals to borrowers here worth $1.7 m since FY2020.
Underlined figures are computed by MMCG Analytics, not published by the agency.
Marengo
What Marengo is
- Census place typecity
- Land area8.9 sq mi
- Water area0 sq mi
- Population per square mile of land791
- County holding the largest share of its areaMcHenry County, 100.0 percent
US Census Bureau, cartographic boundary file, places, 2024 vintage. US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Marengo
How many people live in Marengo
- Population7,040
- Median age31.9
- Population under 181,830 plus or minus 429
- Share under 1826.0 percent plus or minus 5.9
- Population 65 and over1,209 plus or minus 279
- Share 65 and over17.2 percent plus or minus 3.8
- Households2,719
- Family households1,741
- Share of households that are families64.0 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Marengo
Income and work in Marengo
- Median household income$73,523 plus or minus $27,241
- Per capita income$35,044
- Civilian labor force3,441
- Employed3,103
- Unemployed338 plus or minus 206
- Unemployment rate9.8 percent plus or minus 5.9
- Adults 25 and over4,409
- Adults 25 and over with a high school diploma or higher95.0 percent
- Adults 25 and over with a bachelor degree or higher15.4 percent plus or minus 5.2
- Adults 25 and over with a graduate degree2.2 percent plus or minus 1.6
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Marengo
Housing in Marengo
- Housing units2,788
- Occupied units2,719
- Vacant units69 plus or minus 78
- Vacancy rate2.5 percent plus or minus 2.8
- Owner occupied1,716
- Renter occupied1,003 plus or minus 247
- Ownership rate63.1 percent
- Median owner-occupied home value$229,900
- Median gross rent, monthly$1,176
- Annual rent as a share of median income19.2 percent plus or minus 8.0
- Single family units1,943
- Share single family69.7 percent
- Units in buildings of two or more629 plus or minus 223
- Share in buildings of two or more22.6 percent plus or minus 7.8
- Mobile homes216 plus or minus 145
- Median year structure built1974
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Marengo
How Marengo gets to work
- Workers 16 and over who commute2,848
- Commuting under 15 minutes554 plus or minus 250
- Share commuting under 15 minutes19.5 percent plus or minus 8.5
- Commuting 30 minutes or more1,520 plus or minus 333
- Share commuting 30 minutes or more53.4 percent
- Drove alone80.2 percent
- Carpooled11.0 percent plus or minus 5.9
- Public transport0.0 percent
- Walked0.0 percent
- Worked from home8.0 percent plus or minus 3.5
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Marengo
SBA loans in Marengo (7(a))
- Approvals7
- Gross approval$1,679,400
- Average approval$239,914
- Median approval$150,000
- Largest approval$815,000
- Jobs supported26
- Jobs per approval3.7
- Loans with a final outcome1
- Paid in full0
- Charged off1
- Median term120 months
- Share on real estate terms of 20 years or more0.0 percent
- Share to franchises14.3 percent
- Distinct lenders6
- Distinct industries by NAICS3
Counted by borrower city: approvals to borrowers whose address is in Marengo, in any county, FY2020 to FY2026. Only 1 loan has reached a final outcome, fewer than the 30 a charge-off rate needs, so no rate is published.
US Small Business Administration, 7(a) FOIA release, FY2020 to FY2026 year to date, as of 2026-06-30.
Marengo
SBA loans in Marengo (504)
- Approvals4
- Gross approval$5,297,000
- Average approval$1,324,250
- Median approval$1,216,500
- Largest approval$2,248,000
- Jobs supported46
- Loans with a final outcome0
- Charged off0
- Median term300 months
- Distinct CDCs3
Counted by borrower city: approvals to borrowers whose address is in Marengo, in any county, FY2010 to FY2026. Only 0 loans have reached a final outcome, fewer than the 30 a charge-off rate needs, so no rate is published.
US Small Business Administration, 504 FOIA release, FY2010 to FY2026 year to date, as of 2026-06-30.
Marengo
Flood risk in Marengo
- NFIP communityCity of Marengo
- NFIP community number170482
- Participating in the NFIPYes
- Community Rating System classNone
- Currently effective map date11/16/06
The City of Marengo participates in the National Flood Insurance Program as community 170482 and carries no Community Rating System class, so no CRS premium discount applies to it.
Federal Emergency Management Agency, NFIP Community Status Book (OpenFEMA), as of 2026-09-26.
McHenry County, not Marengo
McHenry County context, not Marengo figures
- Establishments in McHenry County8,140
- Covered employment, McHenry County96,922
- Average annual pay, McHenry County$55,107
- Housing units permitted, McHenry County1,565
Every figure in this section is published for McHenry County as a whole and is not a measurement of Marengo.
US Census Bureau, County Business Patterns, 2023. US Bureau of Labor Statistics, Quarterly Census of Employment and Wages, 2024 annual averages. US Census Bureau, Building Permits Survey, 2024 annual.
Coverage
What this page does not hold.
Parcel detail, zoning and the flood zone at an address are not on this page; they resolve at the address in the platform. How this page was built →
Common questions
Marengo questions, answered from the record.
How many people live in Marengo, Illinois?
7,040, in 2,719 households. Marengo city covers 8.90 square miles of land, which is 791 people per square mile. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
What county is Marengo in?
McHenry County, which holds 100.0 percent of the place by area. Source: US Census Bureau, cartographic boundary file, places, 2024 vintage.
What is the median household income in Marengo?
$73,523. The median owner-occupied home is valued at $229,900. Median gross rent is $1,176 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
How much SBA lending goes to Marengo businesses?
7 7(a) approvals totaling $1.7 m since FY2020, across 6 lenders, median approval $150,000, plus 4 504 approvals worth $5.3 m since FY2010. These count approvals to borrowers whose address is in Marengo, not projects sited inside the place boundary, and they are approvals recorded in the release rather than loans disbursed.
Do SBA loans to Marengo borrowers get paid back?
No rate is published for Marengo. Only 1 loan has reached a final outcome, fewer than the 30 a charge-off rate needs, so no rate is published. The counts are shown instead.
Is Marengo in the National Flood Insurance Program?
Yes. Marengo appears in the FEMA Community Status Book as Marengo, city of, community 170482, with no Community Rating System class, so no CRS discount applies. Whether a specific parcel sits in a mapped special flood hazard area is an address level question the platform answers.
Are the county figures on this page Marengo figures?
No, and they are labeled so. County Business Patterns, QCEW, the Building Permits Survey, BEA product and IRS migration are published for McHenry County as a whole and there is no place level equivalent. They appear in one clearly marked section as context and are never presented as measurements of Marengo.
Is zoning published for Marengo?
No. Nothing on this page presents parcel level zoning.