Union, IA demographics:
population, income, and more

Total population
378
-3.3% year-over-year change
Median household income
$55,625/yr
-7.3% year-over-year change
Housing units
227
0.4% year-over-year change

Union population

How many people live in Union

Union is home to 378 residents, according to the most recent Census data. Gender-wise, 46.8% of Union locals are male, and 53.2% are female.

Total population
378
-3.3% year-over-year change
Gender ratio
Male
46.8%
177
Female
53.2%
201
Value Percent YoY change
Male 177 46.8% -3.3%
Female 201 53.2% -3.4%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Union is 51, with the population distributed as follows: about 6.4% are children under 15, then 10% are in the 15 to 24 age group. Adults between 25 and 44 make up 14.6% of the population, while another 41% fall into the 45 to 64 bracket. Finally, around 28% are 65 or older.

Median age
51.1
Age breakdown
Under 15
6.4%
15 to 24
10%
25 to 44
14.6%
45 to 64
41%
Over 65
28%
Value Percent YoY change
Under 15 24 6.4% -20.0%
15 to 24 38 10% -2.6%
25 to 44 55 14.6% 0.0%
45 to 64 155 41% -9.9%
Over 65 106 28% 11.6%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Union, 99.5% of the population are US-born citizens, while 0.5% have gained naturalized citizenship. There’s also a share of 1.1% that includes residents with two or more races.

Citizenship
U.S.-born citizens
99.5%
Non-U.S.-born citizens
0.5%
Non-citizens
0%
Value Percent YoY change
U.S.-born citizens 376 99.5% -3.6%
Non-U.S.-born citizens 2 0.5% 100.0%
Racial breakdown
White
98.7%
Black or African American
0%
American Indian and Alaska Native
0%
Asian
0.3%
Native Hawaiian and other Pacific Islander
0%
Two or more races
1.1%
Other
0%
Value Percent
White 373 98.7%
Asian 1 0.3%
Two or more races 4 1.1%

Households in Union

A peek inside Union households

Union has 197 households, with an average of 2 members in each. Of these, 51.8% are families, while the remaining 48.2% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
197
-0.5% year-over-year change
Average people per household
2
Non-family households
95
Family households
102
Value Percent YoY change
Non-family households 95 48.2% 1.1%
Family households 102 51.8% -1.9%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Union

The housing landscape of Union

Union's housing consists of 227 units, with 89% being detached single-family homes ideal for those wanting space. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 5.3% of the housing landscape.

Housing units
227
0.4% year-over-year change
Housing types
Value Percent
1 unit, detached 202 89%
3 or 4 units 13 5.7%
Mobile home 12 5.3%
Homes built since 2020
0
% year-over-year change

The age of buildings in Union

In Union, the median construction year is 1958. About 41.8% of homes were built before the 1940s, with another 2.2% going up by 1949. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 95 41.8% -3.1%
Built between 1940 and 1949 5 2.2% -16.7%
Built between 1950 and 1959 18 7.9% 0.0%
Built between 1960 and 1969 28 12.3% -3.5%
Built between 1970 and 1979 34 15% 100.0%
Built between 1980 and 1989 44 19.4% 2.3%
Built between 1990 and 1999 2 0.9% -83.3%
Built between 2000 and 2009 1 0.4% -50.0%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Union occupancy rates

Out of the 197 occupied housing units in Union, 86.8% are owner-occupied, while 13.2% are lived in by tenants. Meanwhile, 13.2% of all homes on the local market sit vacant.

Occupied housing units
197
-0.5% year-over-year change
Occupancy breakdown
Renter occupied
26
Owner occupied
171
Value Percent YoY
change
Renter occupied 26 13.2% -7.1%
Owner occupied 171 86.8% 0.6%
Unoccupied housing units
13.2%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Union housing costs

Housing costs in Union come to a median of $544 per month, while tenants specifically pay a median gross rent of $875.

Median housing costs per month
$544/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Union
$875/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Union

Union education at a glance

About 40.4% of the population in Union went to high school, while 28.7% pursued college studies. Another 13.2% earned an associate degree and 9.9% hold a bachelor’s. Meanwhile, 7.2% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 2 0.6% 100.0%
High school diploma 135 40.4% 0.8%
College diploma 96 28.7% -18.6%
Associate degree 44 13.2% 0.0%
Bachelor's degree 33 9.9% -2.9%
Graduate degree 24 7.2% 41.2%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Union

How much people earn in Union

The average annual household income in Union was $69,750 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -3.5% change from the previous year. At the same time, the median income stood at $55,625, reflecting a -7.3% shift over the same period.

Average household income in Union
$69,750/year
-3.5% year-over-year change
Median household income in Union
$55,625/year
-7.3% year-over-year change

Union income by age

In Union, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $53,125. Those with someone between 45 and 64 in charge, often well established professionally, earn $83,813 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $38,125, while those led by someone over 65, many of whom may be retired, have about $49,038 in earnings. Overall, 93.4% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $38,125 N/A
25 - 44 $53,125 N/A
45 - 64 $83,813 3.0%
Over 65 $49,038 3.9%
Above poverty level
352
Below poverty level
25
Value Percent YoY
change
Above poverty level 352 93.4% 6.3%
Below poverty level 25 6.6% -57.6%

Average renter income in Union

To get a better sense of what renters earn on average in Union, their median household income was $23,750 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 44.2%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$23,750
Rent-to-income ratio
44.2%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in Union

Workforce and job types in Union

The job market in Union is powered by 214 working residents, spread across a range of industries and roles. 74.8% of the working population are employed in professional or administrative positions, while 25.2% are in hands-on or service-based jobs. Also, 7% run their own businesses, 79% are employed by private companies, and 7.9% work in the public sector.

Workforce demographics

Working population
214
0.9% year-over-year change
White collar
160
Blue collar
54
Value Percent YoY change
White collar 160 74.8% 4.6%
Blue collar 54 25.2% -8.5%
Employer type
Self employees
7%
Private companies
79%
Governmental workers
7.9%
Not for profit companies
6.1%
Value Percent YoY change
Self employees 15 7% 25.0%
Private companies 169 79% -0.6%
Governmental workers 17 7.9% 13.3%
Not for profit companies 13 6.1% -13.3%

Transportation in Union

How people get around in Union

In Union, the average commute time is 22 minutes. Commuting methods vary: 85.9% of residents travel by personal vehicle and 10.8% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
22 min
8.8% year-over-year change
Means of transportation
Value Percent YoY change
Car 183 85.9% 0.6%
Walk 23 10.8% -4.2%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Union by zipcode?

Zipcode Population Number of households Median income Average income
50258 958 405 $83,988 $88,428

Explore more communities

FAQs about Union demographics 

What is the total population of Union?

Union has a total population of 378 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -3.3% compared to a year ago.

What is the gender ratio in Union?

The gender ratio in Union is as follows:
  • 46.8% males (177 residents)
  • 53.2% females (201 residents)

What is the median age in Union?

The median age in Union is 51.1.

What is the age distribution of the population in Union?

The age distribution in Union is as follows:
  • Under 15: 6.4% (24 residents)
  • Ages 15-24: 10% (38 residents)
  • Ages 25-44: 14.6% (55 residents)
  • Ages 45-64: 41% (155 residents)
  • Over 65: 28% (106 residents)

What is the racial and ethnic makeup of Union?

The racial and ethnic makeup of Union is as follows:
  • White: 98.7% (373 residents)
  • Black or African American: 0% (0 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 0.3% (1 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 1.1% (4 residents)
  • Other: 0% (0 residents)

What percentage of the population in Union are U.S.-born citizens?

U.S.-born citizens represent 99.5% of the population in Union.

How many housing units are there in Union?

There are 227 housing units in Union, reflecting a +0.4% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Union and what is the average household size?

Union has a total of 197 households, with an average of 2 people in each.

What is the median household income in Union?

Union has a median household income of $55,625, representing a -7.3% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Union?

Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 74.8% (160 residents)
  • Blue-collar workers: 25.2% (54 residents)

Places of employment:
  • Self-employed: 7% (15 residents)
  • Private companies: 79% (169 residents)
  • Governmental workers: 7.9% (17 residents)
  • Not-for-profit companies: 6.1% (13 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025