Cromwell is a city located in Union County, Iowa. Cromwell has a 2025 population of 104 . Cromwell is currently growing at a rate of 0.97% annually but its population has decreased by -0.95% since the most recent census, which recorded a population of 105 in 2020.
The median household income in Cromwell is $57,500 with a poverty rate of 9.2%. The median age in Cromwell is 52.6 years: 56.3 years for males, and 52.5 years for females. For every 100 females there are 107.1 males.
Data after 2023 is projected based on recent change
The racial composition of Cromwell includes 96.55% White, and smaller percentages for other race, Two or more races and multiracial populations.
White (96.55%)
Other race (2.3%)
Two or more races (1.15%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 84 | 96.55% |
| Other race | 2 | 2.3% |
| Two or more races | 1 | 1.15% |
Married
Widowed
Divorced
Separated
Never Married
Cromwell's average per capita income is $46,875. Household income levels show a median of $57,500. The poverty rate stands at 9.2%.
Name | Median | Mean |
|---|---|---|
| Married Families | $74,375 | - |
| Families | $73,750 | $83,446 |
| Households | $57,500 | $72,079 |
| Non Families | $43,750 | $40,125 |
Average Income
Median Household Income
Poverty Rate