Union Flag

Union

County:
Hardin County
County Seat:
No
Area (mi²):
0.571
State:
Iowa

Union is a city located in Hardin County, Iowa. Union has a 2025 population of 373. Union is currently declining at a rate of -1.06% annually and its population has decreased by -5.09% since the most recent census, which recorded a population of 393 in 2020.

The average household income in Union is $72,296 with a poverty rate of 15.09%.The median age in Union is 49.9 years: 52.9 years for males, and 47.8 years for females.

373
Total Population
653
Density (mi²)
-4 -1.06%
Growth

Union Population

Union Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Union includes 97.7% White, and smaller percentages for Two or more races, Asian and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White38297.7%
Two or more races82.05%
Asian10.26%

Union Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Union's average per capita income is $39,777. Household income levels show a median of $60,000. The poverty rate stands at 15.09%.

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$82,262-
Families$80,714$92,471
Households$60,000$72,296
Non Families$39,286$46,022

$39,777

Average Income

$60,000

Median Household Income

15.09%

Poverty Rate

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)
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