HomeIllinoisDeKalb CountySandwich
Sandwich, Illinois: commercial real estate data.
Sandwich is a Census city of 7,219 people across 4.74 square miles of land, lying across DeKalb County and Kendall County. Median household income is $80,768, 75.5 percent of occupied homes are owned, and the SBA record carries 7 7(a) approvals to borrowers here worth $7.5 m since FY2020.
Underlined figures are computed by MMCG Analytics, not published by the agency.
Sandwich
What Sandwich is
- Census place typecity
- Land area4.74 sq mi
- Water area0.02 sq mi
- Population per square mile of land1,524
- County holding the largest share of its areaDeKalb County, 77.5 percent
- Counties this place lies inDeKalb County 77.5 percent, Kendall County 22.5 percent
Sandwich 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.
Sandwich
How many people live in Sandwich
- Population7,219
- Median age39.3
- Population under 181,824
- Share under 1825.3 percent
- Population 65 and over1,431
- Share 65 and over19.8 percent
- Households2,743
- Family households1,864
- Share of households that are families68.0 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Sandwich
Income and work in Sandwich
- Median household income$80,768
- Per capita income$35,312
- Civilian labor force3,559
- Employed3,444
- Unemployed115 plus or minus 88
- Unemployment rate3.2 percent plus or minus 2.5
- Adults 25 and over4,858
- Adults 25 and over with a high school diploma or higher92.9 percent
- Adults 25 and over with a bachelor degree or higher20.3 percent
- Adults 25 and over with a graduate degree6.7 percent plus or minus 2.2
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Sandwich
Housing in Sandwich
- Housing units2,839
- Occupied units2,743
- Vacant units96 plus or minus 81
- Vacancy rate3.4 percent plus or minus 2.8
- Owner occupied2,072
- Renter occupied671 plus or minus 140
- Ownership rate75.5 percent
- Median owner-occupied home value$255,700
- Median gross rent, monthly$1,029
- Annual rent as a share of median income15.3 percent
- Single family units2,189
- Share single family77.1 percent
- Units in buildings of two or more486 plus or minus 139
- Share in buildings of two or more17.1 percent plus or minus 4.8
- Mobile homes164 plus or minus 63
- Median year structure built1978
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Sandwich
How Sandwich gets to work
- Workers 16 and over who commute3,010
- Commuting under 15 minutes963
- Share commuting under 15 minutes32.0 percent
- Commuting 30 minutes or more1,442
- Share commuting 30 minutes or more47.9 percent
- Drove alone81.2 percent
- Carpooled4.0 percent plus or minus 2.6
- Public transport0.0 percent
- Walked2.1 percent plus or minus 1.1
- Worked from home11.7 percent plus or minus 4.3
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Sandwich
SBA loans in Sandwich (7(a))
- Approvals7
- Gross approval$7,495,500
- Average approval$1,070,786
- Median approval$827,500
- Largest approval$1,968,000
- Jobs supported23
- Jobs per approval3.3
- Loans with a final outcome3
- Paid in full3
- Charged off0
- Median term300 months
- Share on real estate terms of 20 years or more71.4 percent
- Share to franchises14.3 percent
- Distinct lenders4
- Distinct industries by NAICS5
Counted by borrower city: approvals to borrowers whose address is in Sandwich, in any county, FY2020 to FY2026. Only 3 loans have 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.
Sandwich
SBA loans in Sandwich (504)
- Approvals9
- Gross approval$2,474,000
- Average approval$274,889
- Median approval$188,000
- Largest approval$693,000
- Jobs supported41
- Loans with a final outcome0
- Charged off0
- Median term240 months
- Distinct CDCs4
Counted by borrower city: approvals to borrowers whose address is in Sandwich, in any county, FY2010 to FY2026. Only 0 loans have reached a final outcome, fewer than the 30 a charge-off rate needs, so no rate is published.
US Small Business Administration, 504 FOIA release, FY2010 to FY2026 year to date, as of 2026-06-30.
Sandwich
Flood risk in Sandwich
- NFIP communityCity of Sandwich
- NFIP community number170188
- Participating in the NFIPYes
- Community Rating System classNone
- Currently effective map date02/04/09
The City of Sandwich participates in the National Flood Insurance Program as community 170188 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.
DeKalb County, not Sandwich
DeKalb County context, not Sandwich figures
- Establishments in DeKalb County1,975
- Covered employment, DeKalb County36,272
- Average annual pay, DeKalb County$56,896
- Housing units permitted, DeKalb County257
Every figure in this section is published for DeKalb County as a whole and is not a measurement of Sandwich.
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
Sandwich questions, answered from the record.
How many people live in Sandwich, Illinois?
7,219, in 2,743 households. Sandwich city covers 4.74 square miles of land, which is 1,524 people per square mile. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
What county is Sandwich in?
Sandwich lies in more than one. By area it is 77.5 percent in DeKalb County, 22.5 percent in Kendall County. This page sits under DeKalb 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 Sandwich?
$80,768. The median owner-occupied home is valued at $255,700. Median gross rent is $1,029 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
How much SBA lending goes to Sandwich businesses?
7 7(a) approvals totaling $7.5 m since FY2020, across 4 lenders, median approval $827,500, plus 9 504 approvals worth $2.5 m since FY2010. These count approvals to borrowers whose address is in Sandwich, not projects sited inside the place boundary, and they are approvals recorded in the release rather than loans disbursed.
Do SBA loans to Sandwich borrowers get paid back?
No rate is published for Sandwich. Only 3 loans have reached a final outcome, fewer than the 30 a charge-off rate needs, so no rate is published. The counts are shown instead.
Is Sandwich in the National Flood Insurance Program?
Yes. Sandwich appears in the FEMA Community Status Book as Sandwich, city of, community 170188, 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 Sandwich figures?
No, and they are labeled so. County Business Patterns, QCEW, the Building Permits Survey, BEA product and IRS migration are published for DeKalb 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 Sandwich.
Is zoning published for Sandwich?
No. Nothing on this page presents parcel level zoning.
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