All Countries
Sycamore, IL
Full City Profile · Illinois · DeKalb County County
3.7
/5.0
B+
Good
18,243
Population
1,803/sq mi density
$80,837
Median Income
$40,963 per capita
$254,200
Home Value
$308,533 Zillow
$1,062
Median Rent
27.0% income on rent
49°F
Avg Temperature
275 sunny days/yr
121
Violent Crime/100K
1,102 property/100K
B+
Overall
3.7 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.3 / 5.0
$80,837 median income, 2.7% unemployment
A+
Affordability
4.9 / 5.0
$254,200 home value, $1,062/mo rent
F
Safety
1.0 / 5.0
121 violent crimes/100K
A
Education
4.5 / 5.0
43.6% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
+7.2%
17,571 → 18,837
over 10 years
Annual Pop. Growth
+0.7%
Compound annual growth rate
Median Income Change
+28.2%
$63,037 → $80,837
nominal, not inflation-adjusted
Annual Income Growth
+2.52%
Compound annual growth rate
Population Over Time
Total population for Sycamore across each available Census ACS release.
Median Household Income Over Time
Median household income reported by U.S. Census ACS. Values are nominal (not adjusted for inflation).
Projected 2030
Simple projections extrapolating the 2013–2023 compound annual growth rate forward. These are mathematical extensions of recent trends, not forecasts — real outcomes depend on migration, policy and economic shifts.
Projected Population 2030
19,780
+943 from 2023 (18,837)
Projected Median Income 2030
$96,221
+$15,384 from 2023 ($80,837)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 17,571 | — | $63,037 | — |
| 2015 | 17,776 | +1.2% | $64,080 | +1.7% |
| 2017 | 18,054 | +1.6% | $70,541 | +10.1% |
| 2019 | 18,355 | +1.7% | $71,698 | +1.6% |
| 2021 | 18,580 | +1.2% | $73,475 | +2.5% |
| 2023 | 18,837 | +1.4% | $80,837 | +10% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.