HomeIllinoisWarren CountyMonmouth city
Monmouth city, Illinois: commercial real estate data.
Monmouth city is a Census city of 8,581 people across 4.24 square miles of land, in Warren County. Median household income is $61,138, 66.3 percent of occupied homes are owned, and the SBA record carries 1 7(a) approvals to borrowers here worth $100,000.
70 sourced place values · tier FULL · 8 sections · underlined figures are computed by MMCG Analytics, not published by the agency
Monmouth
What Monmouth is
- Census place typecity
- Land area4.24 sq mi
- Water area0.02 sq mi
- Population per square mile of land2,023
- County holding the largest share of its areaWarren 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.
Monmouth
How many people live in Monmouth
- Population8,581
- Median age34.1
- Population under 182,040
- Share under 1823.8 percent
- Population 65 and over1,361
- Share 65 and over15.9 percent
- Households3,323
- Family households2,080
- Share of households that are families62.6 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Monmouth
Income and work in Monmouth
- Median household income$61,138
- Per capita income$29,501
- Civilian labor force4,287
- Employed4,134
- Unemployed153 plus or minus 93
- Unemployment rate3.6 percent plus or minus 2.2
- Adults 25 and over5,056
- Adults 25 and over with a high school diploma or higher84.0 percent
- Adults 25 and over with a bachelor degree or higher18.3 percent
- Adults 25 and over with a graduate degree6.9 percent plus or minus 2.0
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Monmouth
Housing in Monmouth
- Housing units3,750
- Occupied units3,323
- Vacant units427 plus or minus 186
- Vacancy rate11.4 percent plus or minus 4.9
- Owner occupied2,202
- Renter occupied1,121
- Ownership rate66.3 percent
- Median owner-occupied home value$86,800
- Median gross rent, monthly$733
- Annual rent as a share of median income14.4 percent
- Single family units3,010
- Share single family80.3 percent
- Units in buildings of two or more608 plus or minus 214
- Share in buildings of two or more16.2 percent plus or minus 5.6
- Mobile homes132 plus or minus 83
- Median year structure built1952
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Monmouth
How Monmouth gets to work
- Workers 16 and over who commute3,771
- Commuting under 15 minutes2,585
- Share commuting under 15 minutes68.5 percent
- Commuting 30 minutes or more531 plus or minus 138
- Share commuting 30 minutes or more14.1 percent plus or minus 3.5
- Drove alone75.0 percent
- Carpooled7.8 percent plus or minus 2.6
- Public transport1.3 percent plus or minus 1.3
- Walked6.5 percent plus or minus 2.7
- Worked from home7.5 percent plus or minus 2.2
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Monmouth
SBA loans in Monmouth (7(a))
- Approvals1
- Gross approval$100,000
- Average approval$100,000
- Median approval$100,000
- Ninetieth percentile approval$100,000
- Largest approval$100,000
- Jobs supported12
- Jobs per approval12.0
- Loans with a final outcome0
- Paid in full0
- Charged off0
- Median term120 months
- Share on real estate terms of 20 years or more0.0 percent
- Share to franchises0.0 percent
- Distinct lenders1
- Distinct industries by NAICS1
A charge-off rate is not published here. only 0 resolved loans, too few to publish a rate, and a rate over that few outcomes would move several points on one loan.
US Small Business Administration, 7(a) FOIA release, FY2020 to FY2026 year to date, as of 2026-06-30.
Monmouth
Flood risk in Monmouth
- Listed NFIP communities1
- Of those, participating1
- NFIP community number170676
- Currently effective map date08/10/21
This community carries no Community Rating System class, so no CRS premium discount applies to it.
FEMA, National Flood Insurance Program Community Status Book, Community Status Book, as retrieved.
Warren County, not Monmouth
Warren County context, not Monmouth figures
These are Warren County figures. There is no place level equivalent published for any of them, so they are shown as the county backdrop and never as Monmouth measurements.
- Establishments in Warren County351
- Employment at those establishments, Warren County5,447
- Covered employment, Warren County6,368
- Average annual pay, Warren County$45,522
- Average weekly wage, Warren County$875
- Housing units permitted, Warren County9
- Of those, single family, Warren County9
- County product, 2024, Warren County$1,097,219,000
- County product change over the prior year, Warren County0.7 percent
- Average income of an arriving household, Warren County$46,255
Every figure in this section is published for Warren County as a whole and is not a measurement of Monmouth. It is here because a county backdrop is what a credit committee reads a place against, and it is labelled so that it can never be quoted as the place's own.
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. US Bureau of Economic Analysis, Regional, table CAGDP2, CAGDP2, through 2024. US Internal Revenue Service, Statistics of Income county migration flows, 2021 to 2022 filing years.
Coverage
What this page does not hold.
Every item below could be filled with a plausible figure. None of them is. On a page a lender may read, a number that cannot be traced is worse than an absence, so the absences are named.
- Parcel level detail, zoning and flood zone at an address are resolved in the platform, not on this page.
SBA figures count approvals to borrowers whose address is in the place. They are not approvals for projects inside the place boundary: the tape records a borrower city and a project county, and those can differ.
Common questions
Monmouth questions, answered from the record.
How many people live in Monmouth, Illinois?
8,581, in 3,323 households. Monmouth city covers 4.24 square miles of land, which is 2,023 people per square mile. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
What county is Monmouth in?
Warren 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 Monmouth?
$61,138. The median owner-occupied home is valued at $86,800. Median gross rent is $733 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
How much SBA lending goes to Monmouth businesses?
1 7(a) approvals totalling $100,000, across 1 lenders, median approval $100,000. These count approvals to borrowers whose address is in Monmouth, not projects sited inside the place boundary, and they are approvals recorded in the release rather than loans disbursed.
Do SBA loans to Monmouth borrowers get paid back?
No rate is published for Monmouth. only 0 resolved loans, too few to publish a rate, and a percentage over that few outcomes would move several points on a single loan. The counts are shown instead.
Is Monmouth in the National Flood Insurance Program?
Yes. Monmouth appears in the FEMA Community Status Book as community 170676, 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 Monmouth figures?
No, and they are labelled so. County Business Patterns, QCEW, the Building Permits Survey, BEA product and IRS migration are published for Warren 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 Monmouth.
Is zoning published for Monmouth?
Not yet. The zoning layer is in build. Nothing on this page presents parcel level zoning.
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