CDP in Hancock County, Iowa · 0.8 sq mi · 25 people per sq mi
About 20 people live in Duncan. The median resident is 55.3 years old.
2026 projection
From 102 in 2020
Poverty rate 57.14%
Men 0 · Women 0
2011–2026
20
2026 projection
80.4% 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.
2011–2026
20
2026 projection
80.4% 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 | 20 | -7 | 25.93% |
|---|---|---|---|
| 2025 | 27 | -14 | 18.85% |
| 2023 | 41 | -39 | 48.75% |
| 2022 | 80 | -20 | 20.00% |
| 2021 | 100 | -2 | 1.96% |
| 2020 | 102 | -17 | 14.29% |
| 2019 | 119 | +16 | 15.53% |
| 2018 | 103 | +9 | 9.57% |
| 2017 | 94 | -2 | 2.08% |
| 2016 | 96 | +1 | 1.05% |
Showing 10 of 15 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 0.21 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
0% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 0% | 0% | 0% |
| Never married | 76% | 100% | 0% |
| Divorced | 24% | 0% | 100% |
| Widowed | 0% | 0% | 0% |
| Separated | 0% | 0% | 0% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
7 sources, all from the U.S. Census Bureau