ZIP 61104 · Rockford, Illinois
2026 Edition · 8 cards · data as of Oct 30, 2026
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Population
17,222 people call ZIP 61104 home.
17,222
people.
Census ACS 5-year, 2020-2024. Sources: Census ACS 5-year
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Rent
Median rent is up 39% since the 2010–2014 survey, before inflation.
$887
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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Room to build
Local wages can carry more rent than the median charged today.
$1,192–$1,787
is the monthly rent range local workforce wages support.
- $887 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.
- 95% of all homes were built before 2000
Census ACS 5-year, 2020-2024. Sources: Census ACS 5-year
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Units needed
Closing the gap would add 0.5–1.7% to the 9,101 homes here.
44–159
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 66% less than Illinois's.
$90,100
median home value in ZIP 61104.
- $90,100 ZIP 61104
- $263,300 Illinois
- $332,700 U.S.
Census ACS 5-year, 2020-2024. Sources: Census ACS 5-year