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 2026 population of 371. Union is currently declining at a rate of -0.8% annually and its population has decreased by -5.12% since the most recent census, which recorded a population of 391 in 2020.

The median household income in Union is $55,625 with a poverty rate of 6.61%. The median age in Union is 51.1 years: 52.4 years for males, and 48 years for females. For every 100 females there are 88.1 males.

371
Total Population
650
Density (mi²)
-3 -0.8%
Growth

Union Population

Union Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026371-3-0.8%
2025374-4-1.06%
2024378-3-0.79%
2023381-3-0.78%
2022384-4-1.03%
2021388-3-0.77%
2020391-1-0.26%
2019381-2-0.52%
2018383-2-0.52%
2017385-5-1.28%
2016390-2-0.51%
201539200%
2014392-3-0.76%
201339510.25%
2012394-1-0.25%
2011395-2-0.5%
201039900%

Median Age

Overall: 51.1 years
Female: 48 years
Male: 52.4 years

Union Adults

There are 334 adults, (106 of whom are seniors) in Union.

Sex Ratio

Female: 201 (53.2%)
Male: 177 (46.8%)

Demographics

The racial composition of Union includes 98.68% White, and smaller percentages for Two or more races, Asian and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White37398.68%
Two or more races41.06%
Asian10.26%
Race
Population ↓
Percentage (of total)
White30.79%
Race
Population ↓
Percentage (of total)
White37097.88%
Two or more races41.06%
Asian10.26%

Union Marital Status

Economics and Income Statistics

Union 's average per capita income is $41,172. Household income levels show a median of $55,625. The poverty rate stands at 6.61%.

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$84,048-
Families$82,857$84,992
Households$55,625$69,750
Non Families$38,906$48,140

$41,172

Average Income

$55,625

Median Household Income

6.61%

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)