HomeIllinoisMcHenry CountyIsland Lake
Island Lake, Illinois: commercial real estate data.
Island Lake is a Census village of 8,014 people across 3.37 square miles of land, lying across McHenry County and Lake County. Median household income is $103,156, 82.7 percent of occupied homes are owned, and the SBA record carries 8 7(a) approvals to borrowers here worth $5.7 m since FY2020.
Underlined figures are computed by MMCG Analytics, not published by the agency.
Island Lake
What Island Lake is
- Census place typevillage
- Land area3.37 sq mi
- Water area0.21 sq mi
- Population per square mile of land2,379
- County holding the largest share of its areaMcHenry County, 55.0 percent
- Counties this place lies inMcHenry County 55.0 percent, Lake County 45.0 percent
Island Lake 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.
Island Lake
How many people live in Island Lake
- Population8,014
- Median age39.1
- Population under 181,867
- Share under 1823.3 percent
- Population 65 and over1,111 plus or minus 226
- Share 65 and over13.9 percent plus or minus 2.8
- Households2,905
- Family households2,041
- Share of households that are families70.3 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Island Lake
Income and work in Island Lake
- Median household income$103,156
- Per capita income$41,302
- Civilian labor force4,562
- Employed4,256
- Unemployed306 plus or minus 132
- Unemployment rate6.7 percent plus or minus 2.9
- Adults 25 and over5,481
- Adults 25 and over with a high school diploma or higher91.1 percent
- Adults 25 and over with a bachelor degree or higher30.4 percent
- Adults 25 and over with a graduate degree7.6 percent plus or minus 2.2
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Island Lake
Housing in Island Lake
- Housing units3,073
- Occupied units2,905
- Vacant units168 plus or minus 127
- Vacancy rate5.5 percent plus or minus 4.1
- Owner occupied2,401
- Renter occupied504 plus or minus 158
- Ownership rate82.7 percent
- Median owner-occupied home value$262,500
- Median gross rent, monthly$1,874
- Annual rent as a share of median income21.8 percent
- Single family units2,969
- Share single family96.6 percent
- Units in buildings of two or more78 plus or minus 47
- Share in buildings of two or more2.5 percent plus or minus 1.5
- Mobile homes26 plus or minus 41
- Median year structure built1990
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Island Lake
How Island Lake gets to work
- Workers 16 and over who commute3,608
- Commuting under 15 minutes496 plus or minus 160
- Share commuting under 15 minutes13.7 percent plus or minus 4.2
- Commuting 30 minutes or more1,835
- Share commuting 30 minutes or more50.9 percent
- Drove alone75.5 percent
- Carpooled7.0 percent plus or minus 2.8
- Public transport0.4 percent plus or minus 0.5
- Walked0.0 percent
- Worked from home15.0 percent plus or minus 4.0
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Island Lake
SBA loans in Island Lake (7(a))
- Approvals8
- Gross approval$5,651,700
- Average approval$706,463
- Median approval$262,500
- Largest approval$3,657,500
- Jobs supported39
- Jobs per approval4.9
- Loans with a final outcome0
- Paid in full0
- Charged off0
- Median term120 months
- Share on real estate terms of 20 years or more12.5 percent
- Share to franchises0.0 percent
- Distinct lenders7
- Distinct industries by NAICS4
Counted by borrower city: approvals to borrowers whose address is in Island Lake, in any county, FY2020 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, 7(a) FOIA release, FY2020 to FY2026 year to date, as of 2026-06-30.
Island Lake
SBA loans in Island Lake (504)
- Approvals3
- Gross approval$3,535,000
- Average approval$1,178,333
- Median approval$463,000
- Largest approval$2,960,000
- Jobs supported11
- Loans with a final outcome0
- Charged off0
- Median term300 months
- Distinct CDCs2
Counted by borrower city: approvals to borrowers whose address is in Island Lake, 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.
Island Lake
Flood risk in Island Lake
- NFIP communityVillage of Island Lake
- NFIP community number170370
- Participating in the NFIPYes
- Community Rating System classNone
- Currently effective map date09/18/13
The Village of Island Lake participates in the National Flood Insurance Program as community 170370 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 Island Lake
McHenry County context, not Island Lake 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 Island Lake.
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
Island Lake questions, answered from the record.
How many people live in Island Lake, Illinois?
8,014, in 2,905 households. Island Lake village covers 3.37 square miles of land, which is 2,379 people per square mile. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
What county is Island Lake in?
Island Lake lies in more than one. By area it is 55.0 percent in McHenry County, 45.0 percent in Lake 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 Island Lake?
$103,156. The median owner-occupied home is valued at $262,500. Median gross rent is $1,874 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
How much SBA lending goes to Island Lake businesses?
8 7(a) approvals totaling $5.7 m since FY2020, across 7 lenders, median approval $262,500, plus 3 504 approvals worth $3.5 m since FY2010. These count approvals to borrowers whose address is in Island Lake, not projects sited inside the place boundary, and they are approvals recorded in the release rather than loans disbursed.
Do SBA loans to Island Lake borrowers get paid back?
No rate is published for Island Lake. Only 0 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 Island Lake in the National Flood Insurance Program?
Yes. Island Lake appears in the FEMA Community Status Book as Island Lake, village of, community 170370, 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 Island Lake 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 Island Lake.
Is zoning published for Island Lake?
No. Nothing on this page presents parcel level zoning.