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Portsmouth, IA
Full City Profile · Iowa · Shelby County County
3.1
/5.0
B
Good
200
Population
645/sq mi density
$79,643
Median Income
$41,251 per capita
$115,500
Home Value
$248,158 Zillow
$575
Median Rent
15.0% income on rent
49°F
Avg Temperature
275 sunny days/yr
546
Violent Crime/100K
6,640 property/100K
B
Overall
3.1 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.6 / 5.0
$79,643 median income, 0.0% unemployment
A+
Affordability
5.0 / 5.0
$115,500 home value, $575/mo rent
F
Safety
1.0 / 5.0
546 violent crimes/100K (44% above avg)
D
Education
1.9 / 5.0
10.7% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
+0.5%
188 → 189
over 10 years
Annual Pop. Growth
+0.05%
Compound annual growth rate
Median Income Change
+78.6%
$44,583 → $79,643
nominal, not inflation-adjusted
Annual Income Growth
+5.97%
Compound annual growth rate
Population Over Time
Total population for Portsmouth 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
190
+1 from 2023 (189)
Projected Median Income 2030
$119,517
+$39,874 from 2023 ($79,643)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 188 | — | $44,583 | — |
| 2015 | 186 | -1.1% | $46,250 | +3.7% |
| 2017 | 182 | -2.2% | $50,000 | +8.1% |
| 2019 | 179 | -1.6% | $56,250 | +12.5% |
| 2021 | 186 | +3.9% | $79,286 | +41% |
| 2023 | 189 | +1.6% | $79,643 | +0.5% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.