All Countries
Frankfort, IL
Full City Profile · Illinois · Will County County
4.0
/5.0
A
Great
20,417
Population
1,307/sq mi density
$153,714
Median Income
$59,421 per capita
$461,600
Home Value
$480,767 Zillow
$2,175
Median Rent
28.4% income on rent
51°F
Avg Temperature
275 sunny days/yr
83
Violent Crime/100K
1,095 property/100K
A
Overall
4.0 / 5.0
Strong
A+
Economy
4.9 / 5.0
$153,714 median income, 2.4% unemployment
A+
Affordability
5.0 / 5.0
$461,600 home value, $2,175/mo rent
F
Safety
1.0 / 5.0
83 violent crimes/100K
A+
Education
5.0 / 5.0
59.2% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
+15.4%
18,168 → 20,973
over 10 years
Annual Pop. Growth
+1.45%
Compound annual growth rate
Median Income Change
+35.7%
$113,264 → $153,714
nominal, not inflation-adjusted
Annual Income Growth
+3.1%
Compound annual growth rate
Population Over Time
Total population for Frankfort 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
23,197
+2,224 from 2023 (20,973)
Projected Median Income 2030
$190,337
+$36,623 from 2023 ($153,714)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 18,168 | — | $113,264 | — |
| 2015 | 18,615 | +2.5% | $111,152 | -1.9% |
| 2017 | 18,955 | +1.8% | $118,508 | +6.6% |
| 2019 | 19,341 | +2% | $139,145 | +17.4% |
| 2021 | 20,492 | +6% | $145,645 | +4.7% |
| 2023 | 20,973 | +2.3% | $153,714 | +5.5% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.