HomeIllinoisMcHenry CountyAlgonquin
Algonquin, Illinois: commercial real estate data.
Algonquin is a Census village of 30,067 people across 12.52 square miles of land, lying across McHenry County and Kane County. Median household income is $134,525, 88.2 percent of occupied homes are owned, and the SBA record carries 86 7(a) approvals to borrowers here worth $34.7 m since FY2020.
Underlined figures are computed by MMCG Analytics, not published by the agency.
Algonquin
What Algonquin is
- Census place typevillage
- Land area12.52 sq mi
- Water area0.2 sq mi
- Population per square mile of land2,401
- County holding the largest share of its areaMcHenry County, 75.3 percent
- Counties this place lies inMcHenry County 75.3 percent, Kane County 24.7 percent
Algonquin 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.
Algonquin
How many people live in Algonquin
- Population30,067
- Median age41.4
- Population under 186,252
- Share under 1820.8 percent
- Population 65 and over4,502
- Share 65 and over15.0 percent
- Households10,968
- Family households8,561
- Share of households that are families78.1 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Algonquin
Income and work in Algonquin
- Median household income$134,525
- Per capita income$54,037
- Civilian labor force17,522
- Employed16,796
- Unemployed726 plus or minus 312
- Unemployment rate4.1 percent plus or minus 1.8
- Adults 25 and over21,225
- Adults 25 and over with a high school diploma or higher95.7 percent
- Adults 25 and over with a bachelor degree or higher43.6 percent
- Adults 25 and over with a graduate degree16.3 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Algonquin
Housing in Algonquin
- Housing units11,151
- Occupied units10,968
- Vacant units183 plus or minus 130
- Vacancy rate1.6 percent plus or minus 1.2
- Owner occupied9,671
- Renter occupied1,297 plus or minus 259
- Ownership rate88.2 percent
- Median owner-occupied home value$351,000
- Median gross rent, monthly$1,723
- Annual rent as a share of median income15.4 percent
- Single family units10,215
- Share single family91.6 percent
- Units in buildings of two or more936 plus or minus 260
- Share in buildings of two or more8.4 percent plus or minus 2.3
- Mobile homes0
- Median year structure built1994
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Algonquin
How Algonquin gets to work
- Workers 16 and over who commute12,784
- Commuting under 15 minutes2,501
- Share commuting under 15 minutes19.6 percent
- Commuting 30 minutes or more6,512
- Share commuting 30 minutes or more50.9 percent
- Drove alone68.4 percent
- Carpooled5.2 percent plus or minus 1.6
- Public transport1.2 percent plus or minus 0.6
- Walked0.9 percent plus or minus 0.5
- Worked from home23.1 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Algonquin
SBA loans in Algonquin (7(a))
- Approvals86
- Gross approval$34,661,800
- Average approval$403,044
- Median approval$140,400
- Ninetieth percentile approval$748,500
- Largest approval$5,000,000
- Jobs supported710
- Jobs per approval8.3
- Loans with a final outcome18
- Paid in full17
- Charged off1
- Median term120 months
- Share on real estate terms of 20 years or more11.6 percent
- Share to franchises16.3 percent
- Distinct lenders23
- Distinct industries by NAICS44
Counted by borrower city: approvals to borrowers whose address is in Algonquin, in any county, FY2020 to FY2026. Only 18 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.
Algonquin
SBA loans in Algonquin (504)
- Approvals23
- Gross approval$11,542,000
- Average approval$501,826
- Median approval$274,000
- Largest approval$1,561,000
- Jobs supported155
- Loans with a final outcome11
- Charged off0
- Median term240 months
- Distinct CDCs3
Counted by borrower city: approvals to borrowers whose address is in Algonquin, in any county, FY2010 to FY2026. Only 11 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.
Algonquin
Flood risk in Algonquin
- NFIP communityVillage of Algonquin
- NFIP community number170474
- Participating in the NFIPYes
- Community Rating System classNone
- Currently effective map date08/03/09
The Village of Algonquin participates in the National Flood Insurance Program as community 170474 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.
McHenry County, not Algonquin
McHenry County context, not Algonquin figures
- Establishments in McHenry County8,140
- Covered employment, McHenry County96,922
- Average annual pay, McHenry County$55,107
- Housing units permitted, McHenry County1,565
Every figure in this section is published for McHenry County as a whole and is not a measurement of Algonquin.
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
Algonquin questions, answered from the record.
How many people live in Algonquin, Illinois?
30,067, in 10,968 households. Algonquin village covers 12.52 square miles of land, which is 2,401 people per square mile. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
What county is Algonquin in?
Algonquin lies in more than one. By area it is 75.3 percent in McHenry County, 24.7 percent in Kane County. This page sits under McHenry 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 Algonquin?
$134,525. The median owner-occupied home is valued at $351,000. Median gross rent is $1,723 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
How much SBA lending goes to Algonquin businesses?
86 7(a) approvals totaling $34.7 m since FY2020, across 23 lenders, median approval $140,400, plus 23 504 approvals worth $11.5 m since FY2010. These count approvals to borrowers whose address is in Algonquin, not projects sited inside the place boundary, and they are approvals recorded in the release rather than loans disbursed.
Do SBA loans to Algonquin borrowers get paid back?
No rate is published for Algonquin. Only 18 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 Algonquin in the National Flood Insurance Program?
Yes. Algonquin appears in the FEMA Community Status Book as Algonquin, village of, community 170474, 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 Algonquin figures?
No, and they are labeled so. County Business Patterns, QCEW, the Building Permits Survey, BEA product and IRS migration are published for McHenry 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 Algonquin.
Is zoning published for Algonquin?
No. Nothing on this page presents parcel level zoning.