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Spencer, ID
Full City Profile · Idaho · Clark County County
3.4
/5.0
B
Good
28
Population
25/sq mi density
$70,972
Median Income
$47,525 per capita
$112,500
Home Value
$254,828 Zillow
45°F
Avg Temperature
311 sunny days/yr
174
Violent Crime/100K
1,277 property/100K
B
Overall
3.4 / 5.0
Good overall score based on economy, affordability, safety and education
B
Economy
3.2 / 5.0
$70,972 median income, 10.7% unemployment
A+
Affordability
5.0 / 5.0
$112,500 home value, /mo rent
F
Safety
1.0 / 5.0
174 violent crimes/100K
A
Education
4.2 / 5.0
0.0% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
-6.1%
33 → 31
over 10 years
Annual Pop. Growth
-0.62%
Compound annual growth rate
Median Income Change
+276%
$18,875 → $70,972
nominal, not inflation-adjusted
Annual Income Growth
+14.16%
Compound annual growth rate
Population Over Time
Total population for Spencer 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
30
-1 from 2023 (31)
Projected Median Income 2030
$179,343
+$108,371 from 2023 ($70,972)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 33 | — | $18,875 | — |
| 2015 | 34 | +3% | $17,188 | -8.9% |
| 2017 | 33 | -2.9% | $19,000 | +10.5% |
| 2019 | 32 | -3% | — | — |
| 2021 | 29 | -9.4% | $63,229 | — |
| 2023 | 31 | +6.9% | $70,972 | +12.2% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.