Decatur, IA demographics:
population, income, and more

Total population
190
16.6% year-over-year change
Median household income
$45,781/yr
35.6% year-over-year change
Housing units
112
20.4% year-over-year change

Decatur population

How many people live in Decatur

Decatur is home to 190 residents, according to the most recent Census data. Gender-wise, 45.3% of Decatur locals are male, and 54.7% are female.

Total population
190
16.6% year-over-year change
Gender ratio
Male
45.3%
86
Female
54.7%
104
Value Percent YoY change
Male 86 45.3% 17.8%
Female 104 54.7% 15.6%
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 Decatur is 34, with the population distributed as follows: about 17.4% are children under 15, then 28.4% are in the 15 to 24 age group. Adults between 25 and 44 make up 21.6% of the population, while another 19% fall into the 45 to 64 bracket. Finally, around 13.7% are 65 or older.

Median age
33.5
Age breakdown
Under 15
17.4%
15 to 24
28.4%
25 to 44
21.6%
45 to 64
19%
Over 65
13.7%
Value Percent YoY change
Under 15 33 17.4% 22.2%
15 to 24 54 28.4% 14.9%
25 to 44 41 21.6% 64.0%
45 to 64 36 19% -5.3%
Over 65 26 13.7% 0.0%
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

There’s also a share of 6.3% that includes residents with two or more races.

Citizenship
U.S.-born citizens
100%
Non-U.S.-born citizens
0%
Non-citizens
0%
Value Percent YoY change
U.S.-born citizens 190 100% 16.6%
Racial breakdown
White
88.4%
Black or African American
0%
American Indian and Alaska Native
0%
Asian
0%
Native Hawaiian and other Pacific Islander
0%
Two or more races
6.3%
Other
5.3%
Value Percent
White 168 88.4%
Two or more races 12 6.3%
Other 10 5.3%

Households in Decatur

A peek inside Decatur households

Decatur has 75 households, with an average of 3 members in each. Of these, 70.7% are families, while the remaining 29.3% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
75
13.6% year-over-year change
Average people per household
3
Non-family households
22
Family households
53
Value Percent YoY change
Non-family households 22 29.3% 22.2%
Family households 53 70.7% 10.4%
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 Decatur

The housing landscape of Decatur

Decatur's housing consists of 112 units, with 62.5% 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 37.5% of the housing landscape.

Housing units
112
20.4% year-over-year change
Housing types
Value Percent
1 unit, detached 70 62.5%
Mobile home 42 37.5%
Homes built since 2020
0
% year-over-year change

The age of buildings in Decatur

In Decatur, the median construction year is 1977. 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 8 7.1% 14.3%
Built between 1950 and 1959 9 8% 12.5%
Built between 1960 and 1969 8 7.1% 60.0%
Built between 1970 and 1979 46 41.1% 24.3%
Built between 1980 and 1989 2 1.8% -50.0%
Built between 1990 and 1999 16 14.3% 77.8%
Built between 2000 and 2009 20 17.9% 0.0%
Built between 2010 and 2019 3 2.7% 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.

Decatur occupancy rates

Out of the 75 occupied housing units in Decatur, 98.7% are owner-occupied, while 1.3% are lived in by tenants. Meanwhile, 33% of all homes on the local market sit vacant.

Occupied housing units
75
13.6% year-over-year change
Occupancy breakdown
Renter occupied
1
Owner occupied
74
Value Percent YoY
change
Renter occupied 1 1.3% -66.7%
Owner occupied 74 98.7% 17.5%
Unoccupied housing units
33.0%
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.

Decatur housing costs

Median housing costs per month
$808/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.

Education in Decatur

Decatur education at a glance

About 73% of the population in Decatur went to high school, while 9.9% pursued college studies. Another 8.6% earned an associate degree and 6.6% hold a bachelor’s.

Education level
Value Percent YoY change
No high school 3 2% -62.5%
High school diploma 111 73% 14.4%
College diploma 15 9.9% 25.0%
Associate degree 13 8.6% 0.0%
Bachelor's degree 10 6.6% 233.3%
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 Decatur

How much people earn in Decatur

The average annual household income in Decatur was $55,409 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +14.6% change from the previous year. At the same time, the median income stood at $45,781, reflecting a +35.6% shift over the same period.

Average household income in Decatur
$55,409/year
14.6% year-over-year change
Median household income in Decatur
$45,781/year
35.6% year-over-year change

Decatur income by age

In Decatur, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $118,542. Those with someone between 45 and 64 in charge, often well established professionally, earn $33,750 overall. Overall, 71.3% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $118,542 28.1%
45 - 64 $33,750 6.6%
Over 65 $47,188 7.9%
Above poverty level
134
Below poverty level
54
Value Percent YoY
change
Above poverty level 134 71.3% 22.9%
Below poverty level 54 28.7% 5.9%

Employment in Decatur

Workforce and job types in Decatur

The job market in Decatur is powered by 109 working residents, spread across a range of industries and roles. 54.1% of the working population are employed in professional or administrative positions, while 45.9% are in hands-on or service-based jobs. Also, 28.4% run their own businesses, 62.4% are employed by private companies, and 6.4% work in the public sector.

Workforce demographics

Working population
109
38.0% year-over-year change
White collar
59
Blue collar
50
Value Percent YoY change
White collar 59 54.1% 28.3%
Blue collar 50 45.9% 51.5%
Employer type
Self employees
28.4%
Private companies
62.4%
Governmental workers
6.4%
Not for profit companies
2.8%
Value Percent YoY change
Self employees 31 28.4% 10.7%
Private companies 68 62.4% 44.7%
Governmental workers 7 6.4% 250.0%
Not for profit companies 3 2.8% 50.0%
Unemployment rate
0.9%
0.0% year-over-year change

Available workforce

The unemployment rate in Decatur stands at 0.9%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Decatur

How people get around in Decatur

Commuting methods vary: 97.1% of residents travel by personal vehicle and 2.9% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 100 97.1% 35.1%
Walk 3 2.9% 200.0%
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 Decatur by zipcode?

Zipcode Population Number of households Median income Average income
50067 354 120 $43,750 $53,757

Explore more communities

FAQs about Decatur demographics 

What is the total population of Decatur?

Decatur has a total population of 190 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 +16.6% compared to a year ago.

What is the gender ratio in Decatur?

The gender ratio in Decatur is as follows:
  • 45.3% males (86 residents)
  • 54.7% females (104 residents)

What is the median age in Decatur?

The median age in Decatur is 33.5.

What is the age distribution of the population in Decatur?

The age distribution in Decatur is as follows:
  • Under 15: 17.4% (33 residents)
  • Ages 15-24: 28.4% (54 residents)
  • Ages 25-44: 21.6% (41 residents)
  • Ages 45-64: 19% (36 residents)
  • Over 65: 13.7% (26 residents)

What is the racial and ethnic makeup of Decatur?

The racial and ethnic makeup of Decatur is as follows:
  • White: 88.4% (168 residents)
  • Black or African American: 0% (0 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 0% (0 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 6.3% (12 residents)
  • Other: 5.3% (10 residents)

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

U.S.-born citizens represent 100% of the population in Decatur.

How many housing units are there in Decatur?

There are 112 housing units in Decatur, reflecting a +20.4% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Decatur has a total of 75 households, with an average of 3 people in each.

What is the median household income in Decatur?

Decatur has a median household income of $45,781, representing a +35.6% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Decatur?

The employment rate is 99.1% in Decatur, with a workforce of 109 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 54.1% (59 residents)
  • Blue-collar workers: 45.9% (50 residents)

Places of employment:
  • Self-employed: 28.4% (31 residents)
  • Private companies: 62.4% (68 residents)
  • Governmental workers: 6.4% (7 residents)
  • Not-for-profit companies: 2.8% (3 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