All Countries
Marion, IL
Full City Profile · Illinois · Williamson County County
3.2
/5.0
B
Good
16,796
Population
1,166/sq mi density
$57,281
Median Income
$37,202 per capita
$145,300
Home Value
$172,573 Zillow
$878
Median Rent
30.0% income on rent
57°F
Avg Temperature
305 sunny days/yr
260
Violent Crime/100K
433 property/100K
B
Overall
3.2 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.8 / 5.0
$57,281 median income, 2.3% unemployment
A+
Affordability
5.0 / 5.0
$145,300 home value, $878/mo rent
F
Safety
1.0 / 5.0
260 violent crimes/100K
B
Education
3.2 / 5.0
27.4% bachelor's degree or higher
Change Over Time (2013, 2023)
Population Change
-5%
17,744 → 16,858
over 10 years
Annual Pop. Growth
-0.51%
Compound annual growth rate
Median Income Change
+38.6%
$41,319 → $57,281
nominal, not inflation-adjusted
Annual Income Growth
+3.32%
Compound annual growth rate
Population Over Time
Total population for Marion 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
16,265
-593 from 2023 (16,858)
Projected Median Income 2030
$71,995
+$14,714 from 2023 ($57,281)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 17,744 | - | $41,319 | - |
| 2015 | 17,601 | -0.8% | $42,839 | +3.7% |
| 2017 | 17,575 | -0.1% | $46,036 | +7.5% |
| 2019 | 17,510 | -0.4% | $43,502 | -5.5% |
| 2021 | 16,742 | -4.4% | $46,515 | +6.9% |
| 2023 | 16,858 | +0.7% | $57,281 | +23.1% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.