City in Keokuk County, Iowa · 0.4 sq mi · 294 people per sq mi
About 110 people live in Martinsburg. The typical household earns $55,000, and the median resident is 50.5 years old.
2026 projection
From 113 in 2020
Poverty rate 29.7%
Men 55.3 · Women 46.5
2010–2026
110
2026 projection
2.7% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
2010–2026
110
2026 projection
2.7% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 110 | -1 | 0.90% |
|---|---|---|---|
| 2025 | 111 | 0 | 0.00% |
| 2024 | 111 | -1 | 0.89% |
| 2023 | 112 | 0 | 0.00% |
| 2022 | 112 | 0 | 0.00% |
| 2021 | 112 | -1 | 0.88% |
| 2020 | 113 | +5 | 4.63% |
| 2019 | 108 | 0 | 0.00% |
| 2018 | 108 | +1 | 0.93% |
| 2017 | 107 | 0 | 0.00% |
Showing 10 of 17 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 1 people).
Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002
Half of households earn more, half earn less
Typical yearly pay for a worker 25 or older.
About 1 in 3 residents
47% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 47% | 63% | 37% |
| Never married | 22% | 25% | 20% |
| Divorced | 19% | 3% | 29% |
| Widowed | 12% | 9% | 14% |
| Separated | 0% | 0% | 0% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau