Troy, IL
Full City Profile · Illinois · Madison County County
4.1
/5.0
A
Great
10,889
Population
1,745/sq mi density
$97,825
Median Income
$44,948 per capita
$240,800
Home Value
$332,545 Zillow
$1,060
Median Rent
23.2% income on rent
58°F
Avg Temperature
9
Violent Crime/100K
460 property/100K
A
Overall
4.1 / 5.0
Strong
A+
Economy
4.9 / 5.0
$97,825 median income, 2.4% unemployment
A+
Affordability
5.0 / 5.0
$240,800 home value, $1,060/mo rent
C
Safety
2.0 / 5.0
9 violent crimes/100K
A+
Education
4.6 / 5.0
45.5% bachelor's degree or higher
Change Over Time (2013, 2023)
Population Change
+17.1%
10,008 → 11,721
over 10 years
Annual Pop. Growth
+1.59%
Compound annual growth rate
Median Income Change
+37.3%
$71,250 → $97,825
nominal, not inflation-adjusted
Annual Income Growth
+3.22%
Compound annual growth rate
Population Over Time
Total population for Troy 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
13,089
+1,368 from 2023 (11,721)
Projected Median Income 2030
$122,123
+$24,298 from 2023 ($97,825)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 10,008 | - | $71,250 | - |
| 2015 | 10,050 | +0.4% | $69,137 | -3% |
| 2017 | 10,204 | +1.5% | $71,346 | +3.2% |
| 2019 | 10,361 | +1.5% | $71,381 | +0% |
| 2021 | 11,175 | +7.9% | $80,677 | +13% |
| 2023 | 11,721 | +4.9% | $97,825 | +21.3% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.