All Countries
Tamms, IL
Full City Profile · Illinois · Alexander County County
2.9
/5.0
C+
Fair
532
Population
228/sq mi density
$41,250
Median Income
$20,220 per capita
$57,200
Home Value
$105,128 Zillow
$663
Median Rent
19.8% income on rent
58°F
Avg Temperature
305 sunny days/yr
320
Violent Crime/100K
4,280 property/100K
C+
Overall
2.9 / 5.0
Fair overall score based on economy, affordability, safety and education
B+
Economy
3.8 / 5.0
$41,250 median income, 2.1% unemployment
A+
Affordability
5.0 / 5.0
$57,200 home value, $663/mo rent
F
Safety
1.0 / 5.0
320 violent crimes/100K
D
Education
1.7 / 5.0
8.7% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
-34.5%
585 → 383
over 10 years
Annual Pop. Growth
-4.15%
Compound annual growth rate
Median Income Change
+97.4%
$20,893 → $41,250
nominal, not inflation-adjusted
Annual Income Growth
+7.04%
Compound annual growth rate
Population Over Time
Total population for Tamms 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
285
-98 from 2023 (383)
Projected Median Income 2030
$66,412
+$25,162 from 2023 ($41,250)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 585 | — | $20,893 | — |
| 2015 | 548 | -6.3% | $23,333 | +11.7% |
| 2017 | 509 | -7.1% | $33,750 | +44.6% |
| 2019 | 472 | -7.3% | $46,250 | +37% |
| 2021 | 415 | -12.1% | $45,069 | -2.6% |
| 2023 | 383 | -7.7% | $41,250 | -8.5% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.