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Martinsburg, IA
Full City Profile · Iowa · Keokuk County County
2.6
/5.0
C+
Fair
96
Population
259/sq mi density
$43,281
Median Income
$21,372 per capita
$52,500
Home Value
$84,874 Zillow
49°F
Avg Temperature
275 sunny days/yr
290
Violent Crime/100K
4,328 property/100K
C+
Overall
2.6 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Economy
2.7 / 5.0
$43,281 median income, 0.0% unemployment
A+
Affordability
5.0 / 5.0
$52,500 home value, /mo rent
F
Safety
1.0 / 5.0
290 violent crimes/100K
D
Education
1.5 / 5.0
6.7% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
+0%
109 → 109
over 10 years
Annual Pop. Growth
+0%
Compound annual growth rate
Median Income Change
-28.4%
$60,417 → $43,281
nominal, not inflation-adjusted
Annual Income Growth
-3.28%
Compound annual growth rate
Population Over Time
Total population for Martinsburg 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
109
+0 from 2023 (109)
Projected Median Income 2030
$34,270
$-9,011 from 2023 ($43,281)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 109 | — | $60,417 | — |
| 2015 | 107 | -1.8% | $56,458 | -6.6% |
| 2017 | 107 | +0% | $61,250 | +8.5% |
| 2019 | 108 | +0.9% | $59,375 | -3.1% |
| 2021 | 110 | +1.9% | $38,125 | -35.8% |
| 2023 | 109 | -0.9% | $43,281 | +13.5% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.