| | Maynard, IA | Cresco, IA | United States |
| Population | 473 | 3,872 | 329,725,481 |
| Female Population | 49.7% | 50.5% | 50.5% |
| Male Population | 50.3% | 49.5% | 49.5% |
| Median Age | 44.3 | 39.6 | 38.4 |
| space3 | | | |
| Population - 2010 | 510 | 3,865 | 309,327,143 |
| Population - 2000 | 500 | 3,905 | 285,036,114 |
| Population - 1990 | 513 | 3,669 | 251,960,433 |
| Pop. 2000 to Now | -5.6% | -4.1% | 15.6% |
| Pop. 1990 to Now | -8.0% | 2.0% | 30.8% |
| space4 | | | |
| Population Density | 476.8 | 1,156.5 | 93.4 |
| Land Area | 1.0 | 3.3 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Maynard, IA | Cresco, IA | United States |
| Age 0 to 4 | 6.3% | 7.0% | 5.9% |
| Age 5 to 9 | 8.2% | 5.8% | 6.1% |
| Age 10 to 14 | 5.9% | 6.8% | 6.6% |
| Age 15 to 17 | 2.5% | 4.4% | 3.9% |
| Age 18 to 20 | 4.2% | 3.6% | 4.0% |
| Age 21 to 24 | 6.6% | 3.5% | 5.2% |
| Age 25 to 34 | 8.7% | 11.7% | 13.8% |
| Age 35 to 44 | 7.8% | 13.9% | 12.9% |
| Age 45 to 54 | 15.6% | 9.5% | 12.6% |
| Age 55 to 59 | 6.8% | 7.6% | 6.7% |
| Age 60 to 64 | 14.6% | 6.5% | 6.3% |
| Age 65 to 74 | 7.0% | 11.0% | 9.6% |
| Age 75 to 84 | 3.8% | 4.9% | 4.5% |
| Age 85 and over | 1.9% | 3.8% | 1.9% |
| space1 | | | |
| Race | | | |
| | Maynard, IA | Cresco, IA | United States |
| White | 92.6% | 95.0% | 59.4% |
| Black | 0.0% | 0.6% | 12.2% |
| Asian | 0.0% | 0.2% | 5.6% |
| Native American | 0.0% | 0.8% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 4.4% | 2.2% | 3.2% |
| Hispanic | 3.0% | 1.1% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Maynard, IA | Cresco, IA | United States |
| Married Population | 49.5% | 55.0% | 49.8% |
| Currently Married | 45.7% | 53.6% | 48.0% |
| Married but Separated | 3.7% | 1.3% | 1.8% |
| Single Population | 50.5% | 45.0% | 50.2% |
| Never Married | 25.0% | 26.2% | 33.8% |
| Divorced | 16.5% | 14.8% | 10.8% |
| Widowed | 9.0% | 4.0% | 5.6% |
| space5 | | | |
| Household Size | 2.23 | 2.47 | 2.60 |
| Households | 212 | 1,514 | 124,010,992 |
| Family Households | 104 | 1,036 | 80,755,759 |
| Married couple, w/children | 25.0% | 32.5% | 30.5% |
| Married couple, no children | 48.1% | 46.0% | 42.9% |
| Non Family Households | 108 | 478 | 43,255,233 |
| Single householder, w/children | 21.2% | 17.6% | 15.8% |
| Single householder, no children | 5.8% | 3.9% | 10.8% |