Johnsburg, Illinois
2026 Edition · 10 cards · data as of Oct 30, 2026
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Population
Growing. Up 1.1% since 2020.
6,445
people, the 296th-largest of Illinois's cities and towns.
Census Population Estimates, 2025. Rank among Illinois's cities and towns computed by the Almanac. Sources: Census Population Estimates
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The workday
9 in 10 jobs here go to people who live somewhere else.
93.0%
of 2,111 jobs located in Johnsburg are filled by in-commuters.
Census LEHD LODES, 2023. Sources: Census LEHD LODES
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Rent
Median rent is down 1% since the 2005–2009 survey, before inflation.
$1,128
a month. Illinois's median is $1,274.
Census ACS 5-year, 2020-2024 (latest), with earlier 5-year windows. Sources: Census ACS 5-year
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The seam
Cross one tract line and median rent doubles.
A $1,310 gap between neighbors, the sharpest rent edge between adjacent tracts in McHenry County.
- $950 Tract 8713.04
- $2,260 Tract 8713.12
Census ACS 5-year, 2020-2024, adjacent tracts compared by the Almanac. Tract estimates carry wide margins of error. Sources: Census ACS 5-year
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Room to build
The median rent sits inside what local wages can carry.
$922–$1,382
is the monthly rent range local workforce wages support.
- $1,128 median
Supportable rent computed by the Almanac from 2023 source wage data. Median rent: Census ACS 5-year, 2020-2024. Sources: Computed by the Almanac, Census ACS 5-year
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Building
Most of the housing here is older than 2000.
- 133 homes permitted in ten years, 2016–2025
- 8% of those were in multifamily buildings
- 77% of all homes were built before 2000
Census Building Permits Survey, 2016–2025; Census ACS 5-year, 2020-2024. Sources: Census Building Permits Survey, Census ACS 5-year
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Units needed
Closing the gap would add 0.1–0.8% to the 2,642 homes here.
2–21
is the estimated number of missing housing units, from the lowest to the highest of three estimates.
Range computed by the Almanac from 2023 jobs and household data, using three demand models: 1% of jobs located here, 1% of renter households, and a rate by town size applied to renters. The low end is the lowest of the three and the high end the highest. It is an estimate, not a count. Sources: Computed by the Almanac
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Home value
A median home costs 25% more than Illinois's.
$328,300
median home value in Johnsburg.
- $328,300 Johnsburg
- $263,300 Illinois
- $332,700 U.S.
Census ACS 5-year, 2020-2024. Sources: Census ACS 5-year