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Mechanicsburg, IL
Full City Profile · Illinois · Sangamon County County
3.3
/5.0
B
Good
748
Population
719/sq mi density
$77,422
Median Income
$41,312 per capita
$206,300
Home Value
$205,950 Zillow
$781
Median Rent
42.0% income on rent
53°F
Avg Temperature
293 sunny days/yr
576
Violent Crime/100K
1,009 property/100K
B
Overall
3.3 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.5 / 5.0
$77,422 median income, 1.7% unemployment
A+
Affordability
5.0 / 5.0
$206,300 home value, $781/mo rent
F
Safety
1.0 / 5.0
576 violent crimes/100K (52% above avg)
C+
Education
2.8 / 5.0
22.5% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
+9.1%
605 → 660
over 10 years
Annual Pop. Growth
+0.87%
Compound annual growth rate
Median Income Change
+58.4%
$48,864 → $77,422
nominal, not inflation-adjusted
Annual Income Growth
+4.71%
Compound annual growth rate
Population Over Time
Total population for Mechanicsburg 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
701
+41 from 2023 (660)
Projected Median Income 2030
$106,852
+$29,430 from 2023 ($77,422)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 605 | — | $48,864 | — |
| 2015 | 634 | +4.8% | $47,969 | -1.8% |
| 2017 | 658 | +3.8% | $61,250 | +27.7% |
| 2019 | 655 | -0.5% | $65,536 | +7% |
| 2021 | 655 | +0% | $70,000 | +6.8% |
| 2023 | 660 | +0.8% | $77,422 | +10.6% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.