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HomeIllinoisSt. Clair CountyDupo village

Dupo village, Illinois: commercial real estate data.

Dupo village is a Census village of 3,879 people across 6.40 square miles of land, lying across St. Clair County and Monroe County. Median household income is $61,644, 65.4 percent of occupied homes are owned, and the SBA record carries 3 7(a) approvals to borrowers here worth $1.9 m.

71 sourced place values · tier FULL · 8 sections · underlined figures are computed by MMCG Analytics, not published by the agency

Dupo

What Dupo is

  • Census place typevillage
  • Land area6.4 sq mi
  • Water area0.02 sq mi
  • Population per square mile of land606
  • County holding the largest share of its areaSt. Clair County, 91.9 percent
  • Counties this place lies inSt. Clair County 91.9 percent, Monroe County 8.1 percent

Dupo village crosses a county line. The split above is measured from the Census boundary of the place against the county boundaries, by area, so it says where the ground is and not where the town hall is.

US Census Bureau, cartographic boundary file, places, 2024 vintage. US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.

Dupo

How many people live in Dupo

  • Population3,879
  • Median age42.9 plus or minus 9.4
  • Population under 18776 plus or minus 279
  • Share under 1820.0 percent plus or minus 7.2
  • Population 65 and over576 plus or minus 140
  • Share 65 and over14.8 percent plus or minus 3.6
  • Households1,598
  • Family households1,105
  • Share of households that are families69.1 percent

US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.

Dupo

Income and work in Dupo

  • Median household income$61,644
  • Per capita income$31,137
  • Civilian labor force2,114
  • Employed1,982
  • Unemployed132 plus or minus 97
  • Unemployment rate6.2 percent plus or minus 4.6
  • Adults 25 and over2,719
  • Adults 25 and over with a high school diploma or higher92.8 percent
  • Adults 25 and over with a bachelor degree or higher17.8 percent plus or minus 6.2
  • Adults 25 and over with a graduate degree6.7 percent plus or minus 4.1

US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.

Dupo

Housing in Dupo

  • Housing units1,739
  • Occupied units1,598
  • Vacant units141 plus or minus 115
  • Vacancy rate8.1 percent plus or minus 6.6
  • Owner occupied1,045
  • Renter occupied553 plus or minus 189
  • Ownership rate65.4 percent
  • Median owner-occupied home value$113,800
  • Median gross rent, monthly$912
  • Annual rent as a share of median income17.8 percent plus or minus 3.6
  • Single family units1,312
  • Share single family75.4 percent
  • Units in buildings of two or more235 plus or minus 124
  • Share in buildings of two or more13.5 percent plus or minus 7.0
  • Mobile homes192 plus or minus 94
  • Median year structure built1969

US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.

Dupo

How Dupo gets to work

  • Workers 16 and over who commute1,670
  • Commuting under 15 minutes281 plus or minus 138
  • Share commuting under 15 minutes16.8 percent plus or minus 7.7
  • Commuting 30 minutes or more611 plus or minus 186
  • Share commuting 30 minutes or more36.6 percent plus or minus 9.1
  • Drove alone81.8 percent
  • Carpooled9.6 percent plus or minus 6.5
  • Public transport0.0 percent
  • Walked1.1 percent plus or minus 1.6
  • Worked from home6.1 percent plus or minus 3.1

US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.

Dupo

SBA loans in Dupo (7(a))

  • Approvals3
  • Gross approval$1,890,000
  • Average approval$630,000
  • Median approval$500,000
  • Ninetieth percentile approval$1,365,000
  • Largest approval$1,365,000
  • Jobs supported6
  • Jobs per approval2.0
  • Loans with a final outcome1
  • Paid in full1
  • Charged off0
  • Median term120 months
  • Share on real estate terms of 20 years or more33.3 percent
  • Share to franchises0.0 percent
  • Distinct lenders3
  • Distinct industries by NAICS3

A charge-off rate is not published here. only 1 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.

Dupo

Flood risk in Dupo

  • Listed NFIP communities1
  • Of those, participating1
  • NFIP community number170624
  • Currently effective map date11/05/03

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.

St. Clair County, not Dupo

St. Clair County context, not Dupo figures

These are St. Clair County figures. There is no place level equivalent published for any of them, so they are shown as the county backdrop and never as Dupo measurements.

  • Establishments in St. Clair County4,973
  • Employment at those establishments, St. Clair County72,871
  • Covered employment, St. Clair County89,981
  • Average annual pay, St. Clair County$57,001
  • Average weekly wage, St. Clair County$1,096
  • Housing units permitted, St. Clair County740
  • Of those, single family, St. Clair County346
  • County product, 2024, St. Clair County$16,131,374,000
  • County product change over the prior year, St. Clair County2.1 percent
  • Average income of an arriving household, St. Clair County$57,798

Every figure in this section is published for St. Clair County as a whole and is not a measurement of Dupo. 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

Dupo questions, answered from the record.

How many people live in Dupo, Illinois?

3,879, in 1,598 households. Dupo village covers 6.40 square miles of land, which is 606 people per square mile. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.

What county is Dupo in?

Dupo lies in more than one. By area it is 91.9 percent in St. Clair County, 8.1 percent in Monroe County. This page sits under St. Clair County because that county holds the largest share. The split is measured from the Census boundary of the place against the county boundaries.

What is the median household income in Dupo?

$61,644. The median owner-occupied home is valued at $113,800. Median gross rent is $912 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.

How much SBA lending goes to Dupo businesses?

3 7(a) approvals totalling $1.9 m, across 3 lenders, median approval $500,000. These count approvals to borrowers whose address is in Dupo, not projects sited inside the place boundary, and they are approvals recorded in the release rather than loans disbursed.

Do SBA loans to Dupo borrowers get paid back?

No rate is published for Dupo. only 1 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 Dupo in the National Flood Insurance Program?

Yes. Dupo appears in the FEMA Community Status Book as community 170624, 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 Dupo figures?

No, and they are labelled so. County Business Patterns, QCEW, the Building Permits Survey, BEA product and IRS migration are published for St. Clair 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 Dupo.

Is zoning published for Dupo?

Not yet. The zoning layer is in build. Nothing on this page presents parcel level zoning.