Decatur, Indiana Population 2021

35,223
map placeholder

Decatur is a city located in Adams County Indiana. Decatur has a 2020 population of 35,223. It is also the county seat of Adams County. Decatur is currently growing at a rate of 0.69% annually and its population has increased by 8.65% since the most recent census, which recorded a population of 32,419 in 2010. Decatur reached it's highest population of 35,223 in 2021.

The average household income in Decatur is $63,226 with a poverty rate of 14.15%. The median rental costs in recent years comes to $930 per month, and the median house value is $119,000. The median age in Decatur is 33.1 years, 31.7 years for males, and 33.9 years for females.

Decatur Demographics

According to the most recent ACS, the racial composition of Decatur was:

  • White: 82.16%
  • Black or African American: 11.97%
  • Other race: 2.90%
  • Two or more races: 1.59%
  • Asian: 0.88%
  • Native American: 0.49%
  • Native Hawaiian or Pacific Islander: 0.02%
The current population of Decatur, Indiana is 35,223 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 34,497.The last official US Census in 2010 recorded the population at 32,419.

Decatur, Indiana Population 2021

Population by Race

Race Population Percentage
White28,12182.16%
Black or African American4,09711.97%
Some Other Race9922.90%
Two or More Races5451.59%
Asian3000.88%
American Indian and Alaska Native1670.49%
Native Hawaiian and Other Pacific Islander60.02%
Loading...

Decatur Population by Race

Decatur Population Pyramid $2021

Loading...

Decatur Median Age

33.1


Total

31.7


Male

33.9


Female

Decatur Adults

There are 24,661 adults, (3,554 of whom are seniors) in Decatur.

Decatur Age Dependency

62.2

Age Dependency Ratio

16.8

Old Age Dependency Ratio

45.3

Child Dependency Ratio

Decatur Sex Ratio

Female

16,764

48.98%

Male

17,464

51.02%

Decatur Population by Age

Decatur Renter vs Owner Occupied by Household Type

Loading...

Decatur Household Types

Type Owner Renter
Married79.9%20.1%
Male71.2%28.8%
All64.9%35.1%
Non Family54%46%
Female42.5%57.5%

64.9%

Rate of Home Ownership

Decatur Households and Families

Type Count Average Size Owned
All11,6192.9364.9
Married5,4433.5579.9
Non Family3,5591.3554
Female2,0763.7342.5
Male5413.9671.2

3.46

Average Family Size

2.93

Average Household Size

Loading...

Decatur Households by Type

Loading...
Education Attained Count Percentage
Less Than 9th Grade8393.90%
9th to 12th Grade2,0069.33%
High School Graduate7,81036.33%
Some College5,65526.30%
Associates Degree2,1319.91%
Bachelors Degree2,38211.08%
Graduate Degree6753.14%
Loading...

Decatur Educational Attainment by Sex (over 25)

Decatur Educational Attainment by Race

Loading...
Race Total High School Bachelors
White18,29916,2462,585
Black1,6951,489251
Hispanic1,145630178
Other Race446317129
Asian22913420
2+ Races20713523
Native American6961

The highest rate of high school graduation is among white people with a rate of 88.78%.

The highest rate of bachelors degrees is among other race people with a rate of 28.92%.

Decatur Educational Attainment by Race

Loading...
Name Average Male Female
Overall$33,806$41,732$28,939
Less Than 9th Grade$28,096$30,128$22,625
High School Graduate$31,905$42,857$25,709
Some College$33,604$40,853$30,097
Bachelors Degree$50,625$55,234$41,568
Graduate Degree$58,309$65,682$50,195

$33,806

Average Earnings

$41,732

Average Male

$28,939

Average Female

Decatur Earnings by Educational Attainment

Decatur Language by Age

Loading...

Decatur Language

91.62% of Decatur residents speak only English, while 8.38% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 5.08% of the population.

Decatur Language

Decatur Poverty by Race

Loading...
Name Total In Poverty Poverty Rate
White26,5083,20112.08%
Black4,0501,25030.86%
Hispanic2,37743818.43%
Other99213313.41%
Asian3007424.67%
Multiple5376612.29%

14.15%

Overall Poverty Rate

13.46%

Male Poverty Rate

14.87%

Female Poverty Rate

Poverty in Decatur

The race most likely to be in poverty in Decatur is Black, with 30.86% below the poverty level.

The race least likely to be in poverty in Decatur is White, with 12.08% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.21%. Among those working part-time, it was 20.57%, and for those that did not work, the poverty rate was 20.39%.

Decatur Poverty

Loading...
Name Poverty
Less Than 9th Grade23.37%
High School11.91%
Some College9.47%
Bachelors or Greater4.37%

Decatur Poverty Rate by Education

Loading...
Rate Poverty
Male Unemployed37.88%
Female Unemployed16.33%
Female Employed9.25%
Male Employed5.37%

Decatur Poverty Rate by Employment Status and Sex

Decatur Income by Household Type

Loading...
Name Median Mean
Households$58,239$63,226
Families$63,935$68,839
Married Families$72,184-
Non Families$35,852$44,554
Loading...

Income by Household Type

Decatur Marital Status

Loading...

Marriage Rates

44.1%

Overall Marriage Rate

43.2%

Male Marriage Rate

45.1%

Female Marriage Rate

Decatur Married by Age and Sex

Loading...

Decatur Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 35-44.

Decatur Marital Status by Race

Loading...

Decatur Marital Status

Loading...

2,308

Number of Veterans

2,035

Male Veterans

273

Female Veterans

War Veterans
Vietnam734
Second Gulf War594
First Gulf War415
Korea152
World War II22

Decatur Veterans by War

Loading...
Age Group Veterans
35 to 54551
65 to 74506
55 to 64485
18 to 34458
75+308

Decatur Veterans by Age

Loading...
Name Veterans % of Total
White2,0539.74%
Black1817.80%
Hispanic674.82%
2+ Races4916.17%
Asian259.29%

Decatur Veterans by Race

Decatur Veterans by Education

Loading...

10.99%

Veteran Poverty Rate

36.11%

Veteran Disability Rate

Decatur Veterans by Education

Loading...

69.2%

Labor Force Participation

65%

Employment Rate

6%

Unemployment Rate

Decatur Employment by Age

Loading...

Decatur Employment by Race

Loading...

Decatur Employment by Education

Origin of Non-Citizens

Loading...

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Loading...

71.73%

Born in Decatur

94.19%

Native Born

5.81%

Foreign Born

3.36%

Non Citizen

2.45%

Naturalized

Place of Birth

94.19% of Decatur residents were born in the United States, with 71.73% having been born in Indiana. 3.36% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Decatur Place of Birth

Year Population Growth Annual Growth Rate
202135,2232420.69%
202034,9812420.70%
201934,7392420.70%
201834,4973140.92%
201734,1832160.64%
201633,9672080.62%
201533,7591630.49%
201433,5962390.72%
201333,3573651.11%
201232,9923190.98%
201132,6732540.78%
201032,4190.00%

Decatur Population by Year