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 2025 population of 101. Cromwell is currently declining at a rate of -0.98% annually and its population has decreased by -3.81% since the most recent census, which recorded a population of 105 in 2020.

The average household income in Cromwell is $72,079 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.

Demographics

The racial composition of Cromwell includes 96.55% White, and smaller percentages for other race, Two or more races and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	84	96.55%
Other race	2	2.3%
Two or more races	1	1.15%

Cromwell Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

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%.

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	$74,375	-
Families	$73,750	$83,446
Households	$57,500	$72,079
Non Families	$43,750	$40,125

$46,875

Average Income

$57,500

Median Household Income

9.2%

Poverty Rate