All Countries
Declo, ID
Full City Profile · Idaho · Cassia County County
2.8
/5.0
C+
Fair
514
Population
1,836/sq mi density
$46,780
Median Income
$28,762 per capita
$218,200
Home Value
$443,342 Zillow
$1,063
Median Rent
26.1% income on rent
49°F
Avg Temperature
302 sunny days/yr
337
Violent Crime/100K
2,539 property/100K
C+
Overall
2.8 / 5.0
Fair overall score based on economy, affordability, safety and education
B+
Economy
3.8 / 5.0
$46,780 median income, 1.1% unemployment
A
Affordability
4.0 / 5.0
$218,200 home value, $1,063/mo rent
F
Safety
1.0 / 5.0
337 violent crimes/100K
C
Education
2.4 / 5.0
17.1% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
+2.3%
351 → 359
over 10 years
Annual Pop. Growth
+0.23%
Compound annual growth rate
Median Income Change
-0.3%
$46,935 → $46,780
nominal, not inflation-adjusted
Annual Income Growth
-0.03%
Compound annual growth rate
Population Over Time
Total population for Declo 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
365
+6 from 2023 (359)
Projected Median Income 2030
$46,682
$-98 from 2023 ($46,780)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 351 | — | $46,935 | — |
| 2015 | 358 | +2% | $46,163 | -1.6% |
| 2017 | 359 | +0.3% | $48,594 | +5.3% |
| 2019 | 366 | +1.9% | $55,458 | +14.1% |
| 2021 | 348 | -4.9% | $42,453 | -23.5% |
| 2023 | 359 | +3.2% | $46,780 | +10.2% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.