app.mmcganalytics.com/workspace?place=1742860
Live

Live workspace · free

Enter a Lenzburg address. Eight answers in seconds.

Parcel, building, flood, wetland, traffic, demographic and lending layers resolve at the address without leaving this page.

HomeIllinoisSt. Clair CountyLenzburg

Lenzburg, Illinois: commercial real estate data.

Lenzburg is a Census village of 428 people across 1.15 square miles of land, in St. Clair County. Median household income is $42,656, 63.6 percent of occupied homes are owned, and the SBA record carries 1 7(a) approvals to borrowers here worth $163,000 since FY2020.

Underlined figures are computed by MMCG Analytics, not published by the agency.

Lenzburg

What Lenzburg is

  • Census place typevillage
  • Land area1.15 sq mi
  • Water area0.11 sq mi
  • Population per square mile of land371 plus or minus 126
  • County holding the largest share of its areaSt. Clair 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.

Lenzburg

How many people live in Lenzburg

  • Population428 plus or minus 146
  • Median age32.0 plus or minus 9.8
  • Population under 18136 plus or minus 46
  • Share under 1831.8 percent plus or minus 15.3
  • Population 65 and over48 plus or minus 23
  • Share 65 and over11.2 percent plus or minus 3.9
  • Households165 plus or minus 54
  • Family households97 plus or minus 44
  • Share of households that are families58.8 percent plus or minus 18.5

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

Lenzburg

Income and work in Lenzburg

  • Median household income$42,656
  • Per capita income$25,320 plus or minus $6,812
  • Civilian labor force182 plus or minus 66
  • Employed172 plus or minus 61
  • Unemployed10 plus or minus 10
  • Unemployment rate5.5 percent plus or minus 5.1
  • Adults 25 and over260 plus or minus 73
  • Adults 25 and over with a high school diploma or higher83.5 percent plus or minus 30.2
  • Adults 25 and over with a bachelor degree or higher14.2 percent plus or minus 7.6
  • Adults 25 and over with a graduate degree5.0 percent plus or minus 6.3

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

Lenzburg

Housing in Lenzburg

  • Housing units189 plus or minus 55
  • Occupied units165 plus or minus 54
  • Vacant units24 plus or minus 17
  • Vacancy rate12.7 percent plus or minus 8.2
  • Owner occupied105 plus or minus 33
  • Renter occupied60 plus or minus 32
  • Ownership rate63.6 percent plus or minus 28.9
  • Median owner-occupied home value$77,900 plus or minus $38,000
  • Median gross rent, monthly$669 plus or minus $381
  • Annual rent as a share of median income18.8 percent plus or minus 11.3
  • Single family units136 plus or minus 48
  • Share single family72.0 percent
  • Units in buildings of two or more18 plus or minus 18
  • Share in buildings of two or more9.5 percent plus or minus 9.3
  • Mobile homes35 plus or minus 15
  • Median year structure built1971

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

Lenzburg

How Lenzburg gets to work

  • Workers 16 and over who commute156 plus or minus 58
  • Commuting under 15 minutes42 plus or minus 25
  • Share commuting under 15 minutes26.9 percent plus or minus 12.9
  • Commuting 30 minutes or more88 plus or minus 37
  • Share commuting 30 minutes or more56.4 percent
  • Drove alone88.4 percent
  • Carpooled2.4 percent plus or minus 2.9
  • Public transport0.0 percent
  • Walked1.8 percent plus or minus 2.3
  • Worked from home4.9 percent plus or minus 3.2

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

Lenzburg

SBA loans in Lenzburg (7(a))

  • Approvals1
  • Gross approval$163,000
  • Average approval$163,000
  • Median approval$163,000
  • Largest approval$163,000
  • Jobs supported4
  • Jobs per approval4.0
  • Loans with a final outcome1
  • Paid in full1
  • Charged off0
  • Median term60 months
  • Share on real estate terms of 20 years or more0.0 percent
  • Share to franchises0.0 percent
  • Distinct lenders1
  • Distinct industries by NAICS1

Counted by borrower city: approvals to borrowers whose address is in Lenzburg, 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.

Lenzburg

Flood risk in Lenzburg

  • NFIP communityVillage of Lenzburg
  • NFIP community number170978
  • Participating in the NFIPNo
  • Community Rating System classNone
  • Currently effective map date11/05/03

The Village of Lenzburg does not participate in the National Flood Insurance Program as community 170978 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.

St. Clair County, not Lenzburg

St. Clair County context, not Lenzburg figures

  • Establishments in St. Clair County4,973
  • Covered employment, St. Clair County89,981
  • Average annual pay, St. Clair County$57,001
  • Housing units permitted, St. Clair County740

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

All St. Clair County figures →

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

Lenzburg questions, answered from the record.

How many people live in Lenzburg, Illinois?

428, in 165 households. Lenzburg village covers 1.15 square miles of land, which is 371 people per square mile. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.

What county is Lenzburg in?

St. Clair 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 Lenzburg?

$42,656. The median owner-occupied home is valued at $77,900. Median gross rent is $669 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.

How much SBA lending goes to Lenzburg businesses?

1 7(a) approvals totaling $163,000 since FY2020, across 1 lenders, median approval $163,000. These count approvals to borrowers whose address is in Lenzburg, not projects sited inside the place boundary, and they are approvals recorded in the release rather than loans disbursed.

Do SBA loans to Lenzburg borrowers get paid back?

No rate is published for Lenzburg. 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 Lenzburg in the National Flood Insurance Program?

No, it is listed but not participating. Lenzburg appears in the FEMA Community Status Book as Lenzburg, village of, community 170978, 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 Lenzburg figures?

No, and they are labeled 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 Lenzburg.

Is zoning published for Lenzburg?

No. Nothing on this page presents parcel level zoning.