Duncan, IA Historical Marital Status Data
ACS 2010-2014 data
Total population: 113
| Duncan, IA | % | Iowa | U.S. | |
| 15 Years and Over Total | 98 | see rank | 2,475,176 | 252,974,135 |
| Males, 15 Years and Over | 62 | 100%, see rank | 1,217,529 | 123,281,364 |
| Never Married | 49 | 79.03%, see rank | 31.87% | 35.77% |
| Married | 13 | 20.97%, see rank | 55.49% | 52.04% |
| Widowed | 0 | 0.00%, see rank | 2.60% | 2.57% |
| Divorced | 0 | 0.00%, see rank | 10.05% | 9.62% |
| Females, 15 Years and Over | 36 | 100%, see rank | 1,257,647 | 129,692,771 |
| Never Married | 21 | 58.33%, see rank | 25.22% | 29.48% |
| Married | 7 | 19.44%, see rank | 53.54% | 49.19% |
| Widowed | 8 | 22.22%, see rank | 9.92% | 9.16% |
| Divorced | 0 | 0.00%, see rank | 11.31% | 12.16% |
ACS 2008-2012 data
Total population: 104
| Duncan, IA | % | Iowa | U.S. | |
| 15 Years and Over Total | 91 | see rank | 2,446,953 | 248,042,237 |
| Males, 15 Years and Over | 53 | 100%, see rank | 1,200,224 | 120,789,875 |
| Never Married | 21 | 39.62%, see rank | 31.25% | 35.08% |
| Married | 19 | 35.85%, see rank | 56.39% | 52.93% |
| Widowed | 13 | 24.53%, see rank | 2.58% | 2.53% |
| Divorced | 0 | 0.00%, see rank | 9.77% | 9.46% |
| Females, 15 Years and Over | 38 | 100%, see rank | 1,246,729 | 127,252,362 |
| Never Married | 15 | 39.47%, see rank | 24.71% | 28.74% |
| Married | 13 | 34.21%, see rank | 53.84% | 49.95% |
| Widowed | 10 | 26.32%, see rank | 10.15% | 9.34% |
| Divorced | 0 | 0.00%, see rank | 11.30% | 11.97% |
ACS 2006-2010 data
Total population: 69
| Duncan, IA | % | Iowa | U.S. | |
| 15 Years and Over Total | 59 | see rank | 2,419,931 | 243,073,468 |
| Males, 15 Years and Over | 39 | 100%, see rank | 1,183,691 | 118,264,295 |
| Never Married | 8 | 20.51%, see rank | 30.62% | 34.21% |
| Married | 20 | 51.28%, see rank | 57.42% | 54.02% |
| Widowed | 11 | 28.21%, see rank | 2.56% | 2.52% |
| Divorced | 0 | 0.00%, see rank | 9.40% | 9.25% |
| Females, 15 Years and Over | 20 | 100%, see rank | 1,236,240 | 124,809,173 |
| Never Married | 0 | 0.00%, see rank | 24.07% | 27.93% |
| Married | 20 | 100.00%, see rank | 54.58% | 50.85% |
| Widowed | 0 | 0.00%, see rank | 10.50% | 9.55% |
| Divorced | 0 | 0.00%, see rank | 10.84% | 11.66% |
* ACS stands for U.S. Census American Community Survey. According to the U.S. Census, if the date is a range, you can interpret the data as an average of the period of time.