HomeIllinoisSangamon CountyIlliopolis
Illiopolis, Illinois: commercial real estate data.
Illiopolis is a Census village of 890 people across 0.68 square miles of land, in Sangamon County. Median household income is $63,125, 81.0 percent of occupied homes are owned, and the SBA record carries 1 7(a) approvals to borrowers here worth $70,000 since FY2020.
Underlined figures are computed by MMCG Analytics, not published by the agency.
Illiopolis
What Illiopolis is
- Census place typevillage
- Land area0.68 sq mi
- Water area0 sq mi
- Population per square mile of land1,314
- County holding the largest share of its areaSangamon 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.
Illiopolis
How many people live in Illiopolis
- Population890
- Median age43.3 plus or minus 9.4
- Population under 18212 plus or minus 48
- Share under 1823.8 percent
- Population 65 and over172 plus or minus 40
- Share 65 and over19.3 percent
- Households368
- Family households260
- Share of households that are families70.7 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Illiopolis
Income and work in Illiopolis
- Median household income$63,125
- Per capita income$31,201
- Civilian labor force402 plus or minus 81
- Employed393 plus or minus 79
- Unemployed9 plus or minus 7
- Unemployment rate2.2 percent plus or minus 1.7
- Adults 25 and over616
- Adults 25 and over with a high school diploma or higher87.7 percent
- Adults 25 and over with a bachelor degree or higher20.0 percent plus or minus 5.3
- Adults 25 and over with a graduate degree6.8 percent plus or minus 4.0
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Illiopolis
Housing in Illiopolis
- Housing units392
- Occupied units368
- Vacant units24 plus or minus 18
- Vacancy rate6.1 percent plus or minus 4.5
- Owner occupied298
- Renter occupied70 plus or minus 29
- Ownership rate81.0 percent
- Median owner-occupied home value$100,800
- Median gross rent, monthly$663 plus or minus $261
- Annual rent as a share of median income12.6 percent plus or minus 5.2
- Single family units327
- Share single family83.4 percent
- Units in buildings of two or more50 plus or minus 32
- Share in buildings of two or more12.8 percent plus or minus 8.0
- Mobile homes15 plus or minus 11
- Median year structure built1959
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Illiopolis
How Illiopolis gets to work
- Workers 16 and over who commute344
- Commuting under 15 minutes100 plus or minus 42
- Share commuting under 15 minutes29.1 percent plus or minus 10.9
- Commuting 30 minutes or more133 plus or minus 39
- Share commuting 30 minutes or more38.7 percent plus or minus 8.3
- Drove alone77.6 percent
- Carpooled4.5 percent plus or minus 3.1
- Public transport0.0 percent
- Walked8.3 percent plus or minus 6.2
- Worked from home8.3 percent plus or minus 4.5
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Illiopolis
SBA loans in Illiopolis (7(a))
- Approvals1
- Gross approval$70,000
- Average approval$70,000
- Median approval$70,000
- Largest approval$70,000
- Jobs supported3
- Jobs per approval3.0
- Loans with a final outcome1
- Paid in full0
- Charged off1
- Median term240 months
- Share on real estate terms of 20 years or more100.0 percent
- Share to franchises0.0 percent
- Distinct lenders1
- Distinct industries by NAICS1
Counted by borrower city: approvals to borrowers whose address is in Illiopolis, 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.
Illiopolis
Flood risk in Illiopolis
- NFIP communityVillage of Illiopolis
- NFIP community number171049
- Participating in the NFIPYes
- Community Rating System classNone
- Currently effective map date(NSFHA)
The Village of Illiopolis participates in the National Flood Insurance Program as community 171049 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.
Sangamon County, not Illiopolis
Sangamon County context, not Illiopolis figures
- Establishments in Sangamon County4,925
- Covered employment, Sangamon County134,376
- Average annual pay, Sangamon County$69,350
- Housing units permitted, Sangamon County191
Every figure in this section is published for Sangamon County as a whole and is not a measurement of Illiopolis.
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
Illiopolis questions, answered from the record.
How many people live in Illiopolis, Illinois?
890, in 368 households. Illiopolis village covers 0.68 square miles of land, which is 1,314 people per square mile. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
What county is Illiopolis in?
Sangamon 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 Illiopolis?
$63,125. The median owner-occupied home is valued at $100,800. Median gross rent is $663 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
How much SBA lending goes to Illiopolis businesses?
1 7(a) approvals totaling $70,000 since FY2020, across 1 lenders, median approval $70,000. These count approvals to borrowers whose address is in Illiopolis, not projects sited inside the place boundary, and they are approvals recorded in the release rather than loans disbursed.
Do SBA loans to Illiopolis borrowers get paid back?
No rate is published for Illiopolis. 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 Illiopolis in the National Flood Insurance Program?
Yes. Illiopolis appears in the FEMA Community Status Book as Illiopolis, village of, community 171049, 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 Illiopolis figures?
No, and they are labeled so. County Business Patterns, QCEW, the Building Permits Survey, BEA product and IRS migration are published for Sangamon 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 Illiopolis.
Is zoning published for Illiopolis?
No. Nothing on this page presents parcel level zoning.