Cromwell Flag

Cromwell

County:
Union County
County Seat:
No
Area (mi²):
0.299
State:
Iowa

Cromwell is a city located in Union County, Iowa. Cromwell has a 2026 population of 103. Cromwell is currently declining at a rate of 0% annually and its population has decreased by -1.9% since the most recent census, which recorded a population of 105 in 2020.

The median household income in Cromwell is $58,750 with a poverty rate of 10.68%. The median age in Cromwell is 56.5 years: 56.8 years for males, and 56 years for females. For every 100 females there are 114.6 males.

103
Total Population
345
Density (mi²)

Cromwell Population

Cromwell Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202610300%
2025103-1-0.96%
202410410.97%
202310300%
2022103-1-0.96%
2021104-1-0.95%
202010500%
2019105-1-0.94%
201810610.95%
201710500%
201610500%
2015105-2-1.87%
2014107-1-0.93%
201310800%
201210810.93%
201110700%
201010700%

Median Age

Overall: 56.5 years
Female: 56 years
Male: 56.8 years

Cromwell Adults

There are 82 adults, (34 of whom are seniors) in Cromwell.

Sex Ratio

Female: 48 (46.6%)
Male: 55 (53.4%)

Demographics

The racial composition of Cromwell includes 98.06% White, and smaller percentages for other race, Two or more races and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White10198.06%
Other race10.97%
Two or more races10.97%
Race
Population ↓
Percentage (of total)
Other race10.97%
Race
Population ↓
Percentage (of total)
White10198.06%
Two or more races10.97%

Cromwell Marital Status

Economics and Income Statistics

Cromwell 's average per capita income is $51,250. Household income levels show a median of $58,750. The poverty rate stands at 10.68%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$77,083-
Families$76,667$93,496
Households$58,750$69,163
Non Families$33,125$32,414

$51,250

Average Income

$58,750

Median Household Income

10.68%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)