Decatur, IN demographics:
population, income, and more

Total population
9,811
0.4% year-over-year change
Median household income
$58,646/yr
-0.4% year-over-year change
Housing units
4,716
0.2% year-over-year change

Decatur population

How many people live in Decatur

Decatur is home to 9,811 residents, according to the most recent Census data. Gender-wise, 47.3% of Decatur locals are male, and 52.7% are female.

Total population
9,811
0.4% year-over-year change
Gender ratio
Male
47.3%
4,637
Female
52.7%
5,174
Value Percent YoY change
Male 4,637 47.3% -2.5%
Female 5,174 52.7% 3.2%
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 45, with the population distributed as follows: about 17.4% are children under 15, then 11.1% are in the 15 to 24 age group. Adults between 25 and 44 make up 21.8% of the population, while another 29.3% fall into the 45 to 64 bracket. Finally, around 20.4% are 65 or older.

Median age
44.6
Age breakdown
Under 15
17.4%
15 to 24
11.1%
25 to 44
21.8%
45 to 64
29.3%
Over 65
20.4%
Value Percent YoY change
Under 15 1,704 17.4% 6.6%
15 to 24 1,093 11.1% -8.8%
25 to 44 2,143 21.8% -5.7%
45 to 64 2,871 29.3% 0.8%
Over 65 2,000 20.4% 8.1%
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 Decatur, 97.3% of the population are US-born citizens, while 1.3% have gained naturalized citizenship. At the same time, 1.4% of residents are non-citizens. There’s also a share of 5.9% that includes residents with two or more races.

Citizenship
U.S.-born citizens
97.3%
Non-U.S.-born citizens
1.3%
Non-citizens
1.4%
Value Percent YoY change
U.S.-born citizens 9,550 97.3% -0.0%
Non-U.S.-born citizens 129 1.3% 6.6%
Non-citizens 132 1.4% 40.4%
Racial breakdown
White
90.4%
Black or African American
0.7%
American Indian and Alaska Native
0%
Asian
0%
Native Hawaiian and other Pacific Islander
0%
Two or more races
5.9%
Other
3%
Value Percent
White 8,874 90.4%
Black or African American 68 0.7%
Asian 2 0%
Two or more races 576 5.9%
Other 291 3%

Households in Decatur

A peek inside Decatur households

Decatur has 4,389 households, with an average of 2 members in each. Of these, 54.4% are families, while the remaining 45.6% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
4,389
0.7% year-over-year change
Average people per household
2
Non-family households
2,001
Family households
2,388
Value Percent YoY change
Non-family households 2,001 45.6% 0.5%
Family households 2,388 54.4% 0.8%
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 4,716 units, with 78.4% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 3.6% and offer a more compact, shared living style.

Housing units
4,716
0.2% year-over-year change
Housing types
Value Percent
1 unit, detached 3,698 78.4%
1 unit, attached 172 3.6%
2 units 149 3.2%
3 or 4 units 94 2%
5 to 9 units 223 4.7%
10 to 19 units 230 4.9%
20 to 49 units 58 1.2%
50 or more units 92 2%
Homes built since 2020
25
108.3% year-over-year change

The age of buildings in Decatur

In Decatur, the median construction year is 1969. About 21.5% of homes were built before the 1940s, with another 6.8% going up by 1949. Most development happened in the second half of the 20th century. Then, 5.9% of homes were added from 2000 to 2009, 4.4% between 2010 and 2019, and 0.5% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 1,016 21.5% -9.1%
Built between 1940 and 1949 323 6.8% 3.5%
Built between 1950 and 1959 714 15.1% 27.7%
Built between 1960 and 1969 349 7.4% -23.3%
Built between 1970 and 1979 517 11% 8.2%
Built between 1980 and 1989 722 15.3% -9.3%
Built between 1990 and 1999 562 11.9% -0.2%
Built between 2000 and 2009 280 5.9% 10.2%
Built between 2010 and 2019 208 4.4% 29.2%
Built in 2020 or later 25 0.5% 108.3%
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 4,389 occupied housing units in Decatur, 76.6% are owner-occupied, while 23.4% are lived in by tenants. Meanwhile, 6.9% of all homes on the local market sit vacant.

Occupied housing units
4,389
0.7% year-over-year change
Occupancy breakdown
Renter occupied
1,028
Owner occupied
3,361
Value Percent YoY
change
Renter occupied 1,028 23.4% -12.4%
Owner occupied 3,361 76.6% 5.5%
Unoccupied housing units
6.9%
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

Housing costs in Decatur come to a median of $865 per month, while tenants specifically pay a median gross rent of $820.

Median housing costs per month
$865/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 Decatur
$820/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 Decatur

Decatur education at a glance

About 54.8% of the population in Decatur went to high school, while 18.4% pursued college studies. Another 11.4% earned an associate degree and 10.8% hold a bachelor’s. Meanwhile, 3.1% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 132 1.7% 21.1%
High school diploma 4,315 54.8% -0.5%
College diploma 1,448 18.4% 2.3%
Associate degree 895 11.4% -5.9%
Bachelor's degree 849 10.8% -10.1%
Graduate degree 241 3.1% 47.9%
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 $68,241 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +4.2% change from the previous year. At the same time, the median income stood at $58,646, reflecting a -0.4% shift over the same period.

Average household income in Decatur
$68,241/year
4.2% year-over-year change
Median household income in Decatur
$58,646/year
-0.4% 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 $58,500. Those with someone between 45 and 64 in charge, often well established professionally, earn $76,488 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $36,861, while those led by someone over 65, many of whom may be retired, have about $43,750 in earnings. Overall, 88.5% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $36,861 -1.3%
25 - 44 $58,500 4.9%
45 - 64 $76,488 5.2%
Over 65 $43,750 -10.8%
Above poverty level
8,218
Below poverty level
1,071
Value Percent YoY
change
Above poverty level 8,218 88.5% -0.6%
Below poverty level 1,071 11.5% 4.7%

Average renter income in Decatur

To get a better sense of what renters earn on average in Decatur, their median household income was $36,420 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 27%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$36,420
Rent-to-income ratio
27%
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 Decatur

Workforce and job types in Decatur

The job market in Decatur is powered by 4,490 working residents, spread across a range of industries and roles. 64.6% of the working population are employed in professional or administrative positions, while 35.4% are in hands-on or service-based jobs. Also, 5.7% run their own businesses, 70.7% are employed by private companies, and 12.8% work in the public sector.

Workforce demographics

Working population
4,490
0.4% year-over-year change
White collar
2,899
Blue collar
1,591
Value Percent YoY change
White collar 2,899 64.6% 0.6%
Blue collar 1,591 35.4% 0.0%
Employer type
Self employees
5.7%
Private companies
70.7%
Governmental workers
12.8%
Not for profit companies
10.8%
Value Percent YoY change
Self employees 257 5.7% -2.3%
Private companies 3,174 70.7% -1.3%
Governmental workers 575 12.8% 15.0%
Not for profit companies 484 10.8% -2.0%
Unemployment rate
2.7%
25.5% year-over-year change

Available workforce

The unemployment rate in Decatur stands at 2.7%, 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

In Decatur, the average commute time is 27 minutes. Commuting methods vary: 93.4% of residents travel by personal vehicle and 3.3% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
27 min
Means of transportation
Value Percent YoY change
Car 4,110 93.4% -0.9%
Walk 144 3.3% 2.9%
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
46733 19,318 7,672 $64,483 $82,267

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FAQs about Decatur demographics 

What is the total population of Decatur?

Decatur has a total population of 9,811 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 +0.4% compared to a year ago.

What is the gender ratio in Decatur?

The gender ratio in Decatur is as follows:
  • 47.3% males (4,637 residents)
  • 52.7% females (5,174 residents)

What is the median age in Decatur?

The median age in Decatur is 44.6.

What is the age distribution of the population in Decatur?

The age distribution in Decatur is as follows:
  • Under 15: 17.4% (1,704 residents)
  • Ages 15-24: 11.1% (1,093 residents)
  • Ages 25-44: 21.8% (2,143 residents)
  • Ages 45-64: 29.3% (2,871 residents)
  • Over 65: 20.4% (2,000 residents)

What is the racial and ethnic makeup of Decatur?

The racial and ethnic makeup of Decatur is as follows:
  • White: 90.4% (8,874 residents)
  • Black or African American: 0.7% (68 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 0% (2 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 5.9% (576 residents)
  • Other: 3% (291 residents)

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

U.S.-born citizens represent 97.3% of the population in Decatur.

How many housing units are there in Decatur?

There are 4,716 housing units in Decatur, reflecting a +0.2% 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 4,389 households, with an average of 2 people in each.

What is the median household income in Decatur?

Decatur has a median household income of $58,646, representing a -0.4% 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 97.3% in Decatur, with a workforce of 4,490 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 64.6% (2,899 residents)
  • Blue-collar workers: 35.4% (1,591 residents)

Places of employment:
  • Self-employed: 5.7% (257 residents)
  • Private companies: 70.7% (3,174 residents)
  • Governmental workers: 12.8% (575 residents)
  • Not-for-profit companies: 10.8% (484 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