All Countries
Petersburg, IL
Full City Profile · Illinois · Menard County County
3.3
/5.0
B
Good
2,590
Population
1,660/sq mi density
$59,850
Median Income
$41,332 per capita
$174,800
Home Value
$202,729 Zillow
$665
Median Rent
30.9% income on rent
52°F
Avg Temperature
275 sunny days/yr
45
Violent Crime/100K
949 property/100K
B
Overall
3.3 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.0 / 5.0
$59,850 median income, 0.6% unemployment
A+
Affordability
5.0 / 5.0
$174,800 home value, $665/mo rent
F
Safety
1.0 / 5.0
45 violent crimes/100K
B
Education
3.4 / 5.0
29.6% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
-6.3%
2,308 → 2,162
over 10 years
Annual Pop. Growth
-0.65%
Compound annual growth rate
Median Income Change
+39.8%
$42,796 → $59,850
nominal, not inflation-adjusted
Annual Income Growth
+3.41%
Compound annual growth rate
Population Over Time
Total population for Petersburg 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
2,066
-96 from 2023 (2,162)
Projected Median Income 2030
$75,684
+$15,834 from 2023 ($59,850)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 2,308 | — | $42,796 | — |
| 2015 | 2,260 | -2.1% | $36,071 | -15.7% |
| 2017 | 2,244 | -0.7% | $45,625 | +26.5% |
| 2019 | 2,229 | -0.7% | $54,833 | +20.2% |
| 2021 | 2,231 | +0.1% | $60,536 | +10.4% |
| 2023 | 2,162 | -3.1% | $59,850 | -1.1% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.