HomeIllinoisDuPage CountyDarien
Darien, Illinois: commercial real estate data.
Darien is a Census city of 21,879 people across 6.17 square miles of land, in DuPage County. Median household income is $111,215, 78.8 percent of occupied homes are owned, and the SBA record carries 30 7(a) approvals to borrowers here worth $8.3 m since FY2020.
Underlined figures are computed by MMCG Analytics, not published by the agency.
Darien
What Darien is
- Census place typecity
- Land area6.17 sq mi
- Water area0.11 sq mi
- Population per square mile of land3,544
- County holding the largest share of its areaDuPage 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.
Darien
How many people live in Darien
- Population21,879
- Median age44.4
- Population under 184,122
- Share under 1818.8 percent
- Population 65 and over5,324
- Share 65 and over24.3 percent
- Households8,735
- Family households6,298
- Share of households that are families72.1 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Darien
Income and work in Darien
- Median household income$111,215
- Per capita income$55,898
- Civilian labor force11,867
- Employed11,409
- Unemployed458 plus or minus 187
- Unemployment rate3.9 percent plus or minus 1.6
- Adults 25 and over16,112
- Adults 25 and over with a high school diploma or higher95.1 percent
- Adults 25 and over with a bachelor degree or higher52.4 percent
- Adults 25 and over with a graduate degree20.3 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Darien
Housing in Darien
- Housing units8,950
- Occupied units8,735
- Vacant units215 plus or minus 161
- Vacancy rate2.4 percent plus or minus 1.8
- Owner occupied6,881
- Renter occupied1,854
- Ownership rate78.8 percent
- Median owner-occupied home value$398,700
- Median gross rent, monthly$1,857
- Annual rent as a share of median income20.0 percent
- Single family units6,897
- Share single family77.1 percent
- Units in buildings of two or more2,025
- Share in buildings of two or more22.6 percent
- Mobile homes28 plus or minus 31
- Median year structure built1978
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Darien
How Darien gets to work
- Workers 16 and over who commute8,978
- Commuting under 15 minutes1,608
- Share commuting under 15 minutes17.9 percent
- Commuting 30 minutes or more4,042
- Share commuting 30 minutes or more45.0 percent
- Drove alone68.9 percent
- Carpooled5.7 percent plus or minus 2.2
- Public transport2.7 percent plus or minus 1.0
- Walked1.1 percent plus or minus 0.7
- Worked from home20.5 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Darien
SBA loans in Darien (7(a))
- Approvals30
- Gross approval$8,258,800
- Average approval$275,293
- Median approval$95,000
- Ninetieth percentile approval$541,800
- Largest approval$2,366,000
- Jobs supported174
- Jobs per approval5.8
- Loans with a final outcome5
- Paid in full4
- Charged off1
- Median term120 months
- Share on real estate terms of 20 years or more13.3 percent
- Share to franchises6.7 percent
- Distinct lenders10
- Distinct industries by NAICS19
Counted by borrower city: approvals to borrowers whose address is in Darien, in any county, FY2020 to FY2026. Only 5 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.
Darien
SBA loans in Darien (504)
- Approvals11
- Gross approval$6,650,000
- Average approval$604,545
- Median approval$470,000
- Largest approval$2,649,000
- Jobs supported135
- Loans with a final outcome1
- Charged off0
- Median term240 months
- Distinct CDCs2
Counted by borrower city: approvals to borrowers whose address is in Darien, in any county, FY2010 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, 504 FOIA release, FY2010 to FY2026 year to date, as of 2026-06-30.
Darien
Flood risk in Darien
- NFIP communityCity of Darien
- NFIP community number170750
- Participating in the NFIPYes
- Community Rating System classNone
- Currently effective map date08/01/19
The City of Darien participates in the National Flood Insurance Program as community 170750 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.
DuPage County, not Darien
DuPage County context, not Darien figures
- Establishments in DuPage County34,121
- Covered employment, DuPage County622,113
- Average annual pay, DuPage County$79,674
- Housing units permitted, DuPage County1,450
Every figure in this section is published for DuPage County as a whole and is not a measurement of Darien.
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
Darien questions, answered from the record.
How many people live in Darien, Illinois?
21,879, in 8,735 households. Darien city covers 6.17 square miles of land, which is 3,544 people per square mile. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
What county is Darien in?
DuPage 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 Darien?
$111,215. The median owner-occupied home is valued at $398,700. Median gross rent is $1,857 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
How much SBA lending goes to Darien businesses?
30 7(a) approvals totaling $8.3 m since FY2020, across 10 lenders, median approval $95,000, plus 11 504 approvals worth $6.7 m since FY2010. These count approvals to borrowers whose address is in Darien, not projects sited inside the place boundary, and they are approvals recorded in the release rather than loans disbursed.
Do SBA loans to Darien borrowers get paid back?
No rate is published for Darien. Only 5 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 Darien in the National Flood Insurance Program?
Yes. Darien appears in the FEMA Community Status Book as Darien, city of, community 170750, 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 Darien figures?
No, and they are labeled so. County Business Patterns, QCEW, the Building Permits Survey, BEA product and IRS migration are published for DuPage 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 Darien.
Is zoning published for Darien?
No. Nothing on this page presents parcel level zoning.