All Countries
Lyndon, IL
Full City Profile · Illinois · Whiteside County County
2.9
/5.0
C+
Fair
576
Population
758/sq mi density
$52,656
Median Income
$29,177 per capita
$108,300
Home Value
$112,300 Zillow
$1,146
Median Rent
18.8% income on rent
48°F
Avg Temperature
275 sunny days/yr
146
Violent Crime/100K
950 property/100K
C+
Overall
2.9 / 5.0
Fair overall score based on economy, affordability, safety and education
B+
Economy
3.5 / 5.0
$52,656 median income, 5.2% unemployment
A+
Affordability
5.0 / 5.0
$108,300 home value, $1,146/mo rent
F
Safety
1.0 / 5.0
146 violent crimes/100K
D
Education
1.9 / 5.0
11.6% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
-17.9%
638 → 524
over 10 years
Annual Pop. Growth
-1.95%
Compound annual growth rate
Median Income Change
-9.5%
$58,194 → $52,656
nominal, not inflation-adjusted
Annual Income Growth
-1%
Compound annual growth rate
Population Over Time
Total population for Lyndon 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
457
-67 from 2023 (524)
Projected Median Income 2030
$49,079
$-3,577 from 2023 ($52,656)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 638 | — | $58,194 | — |
| 2015 | 629 | -1.4% | $52,083 | -10.5% |
| 2017 | 621 | -1.3% | $42,019 | -19.3% |
| 2019 | 610 | -1.8% | $41,823 | -0.5% |
| 2021 | 534 | -12.5% | $40,000 | -4.4% |
| 2023 | 524 | -1.9% | $52,656 | +31.6% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.