HomeIllinoisSangamon CountyAuburn
Auburn, Illinois: commercial real estate data.
Auburn is a Census city of 4,306 people across 4.12 square miles of land, in Sangamon County. Median household income is $81,411, 83.9 percent of occupied homes are owned, and the SBA record carries 5 7(a) approvals to borrowers here worth $271,100 since FY2020.
Underlined figures are computed by MMCG Analytics, not published by the agency.
Auburn
What Auburn is
- Census place typecity
- Land area4.12 sq mi
- Water area0 sq mi
- Population per square mile of land1,044
- 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.
Auburn
How many people live in Auburn
- Population4,306
- Median age40.1 plus or minus 9.8
- Population under 181,060 plus or minus 310
- Share under 1824.6 percent plus or minus 6.5
- Population 65 and over706 plus or minus 222
- Share 65 and over16.4 percent plus or minus 4.7
- Households1,685
- Family households1,134
- Share of households that are families67.3 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Auburn
Income and work in Auburn
- Median household income$81,411
- Per capita income$37,967
- Civilian labor force2,079
- Employed1,970
- Unemployed109 plus or minus 115
- Unemployment rate5.2 percent plus or minus 5.4
- Adults 25 and over2,958
- Adults 25 and over with a high school diploma or higher97.4 percent
- Adults 25 and over with a bachelor degree or higher27.6 percent plus or minus 7.9
- Adults 25 and over with a graduate degree10.9 percent plus or minus 4.5
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Auburn
Housing in Auburn
- Housing units1,685
- Occupied units1,685
- Vacant units0
- Vacancy rate0.0 percent
- Owner occupied1,414
- Renter occupied271 plus or minus 157
- Ownership rate83.9 percent
- Median owner-occupied home value$149,600
- Median gross rent, monthly$1,011 plus or minus $419
- Annual rent as a share of median income14.9 percent plus or minus 6.7
- Single family units1,565
- Share single family92.9 percent
- Units in buildings of two or more99 plus or minus 88
- Share in buildings of two or more5.9 percent plus or minus 5.2
- Mobile homes21 plus or minus 35
- Median year structure built1975
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Auburn
How Auburn gets to work
- Workers 16 and over who commute1,878 plus or minus 377
- Commuting under 15 minutes465 plus or minus 184
- Share commuting under 15 minutes24.8 percent plus or minus 8.5
- Commuting 30 minutes or more717 plus or minus 229
- Share commuting 30 minutes or more38.2 percent plus or minus 9.5
- Drove alone87.5 percent
- Carpooled4.7 percent plus or minus 4.6
- Public transport2.5 percent plus or minus 3.9
- Walked0.5 percent plus or minus 0.8
- Worked from home4.7 percent plus or minus 3.3
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Auburn
SBA loans in Auburn (7(a))
- Approvals5
- Gross approval$271,100
- Average approval$54,220
- Median approval$35,000
- Largest approval$108,700
- Jobs supported29
- Jobs per approval5.8
- Loans with a final outcome1
- Paid in full1
- Charged off0
- Median term111 months
- Share on real estate terms of 20 years or more0.0 percent
- Share to franchises0.0 percent
- Distinct lenders1
- Distinct industries by NAICS3
Counted by borrower city: approvals to borrowers whose address is in Auburn, 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.
Auburn
Flood risk in Auburn
- NFIP communityCity of Auburn
- NFIP community number170944
- Participating in the NFIPYes
- Community Rating System classNone
- Currently effective map date08/02/07
The City of Auburn participates in the National Flood Insurance Program as community 170944 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 Auburn
Sangamon County context, not Auburn 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 Auburn.
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
Auburn questions, answered from the record.
How many people live in Auburn, Illinois?
4,306, in 1,685 households. Auburn city covers 4.12 square miles of land, which is 1,044 people per square mile. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
What county is Auburn 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 Auburn?
$81,411. The median owner-occupied home is valued at $149,600. Median gross rent is $1,011 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
How much SBA lending goes to Auburn businesses?
5 7(a) approvals totaling $271,100 since FY2020, across 1 lenders, median approval $35,000. These count approvals to borrowers whose address is in Auburn, not projects sited inside the place boundary, and they are approvals recorded in the release rather than loans disbursed.
Do SBA loans to Auburn borrowers get paid back?
No rate is published for Auburn. 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 Auburn in the National Flood Insurance Program?
Yes. Auburn appears in the FEMA Community Status Book as Auburn, city of, community 170944, 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 Auburn 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 Auburn.
Is zoning published for Auburn?
No. Nothing on this page presents parcel level zoning.