Decatur, Alabama Population 2021

54,607
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Decatur is a city located in Morgan County Alabama. It is also the county seat of Morgan County. With a 2020 population of 54,607, it is the 9th largest city in Alabama and the 718th largest city in the United States . Decatur is currently growing at a rate of 0.15% annually but its population has decreased by -1.93% since the most recent census, which recorded a population of 55,683 in 2010. Decatur reached it's highest population of 55,916 in 2011. Spanning over 61 miles, Decatur has a population density of 1,008 people per square mile.

The average household income in Decatur is $66,678 with a poverty rate of 17.55%. The median rental costs in recent years comes to $655 per month, and the median house value is $134,500. The median age in Decatur is 39.9 years, 38.3 years for males, and 41.5 years for females.

Decatur Demographics

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

  • White: 67.44%
  • Black or African American: 22.57%
  • Other race: 6.62%
  • Two or more races: 2.71%
  • Asian: 0.39%
  • Native American: 0.22%
  • Native Hawaiian or Pacific Islander: 0.05%
The current population of Decatur, Alabama is 54,607 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 54,364.The last official US Census in 2010 recorded the population at 55,683.

Decatur, Alabama Population 2021

2019 and 2020 population is estimated by projecting the raw 2018 numbers.

Year Population Growth Growth Rate
2021153,5214590.30%
2020153,0624590.30%
2019152,6034590.30%
2018152,1441630.11%
2017151,981-252-0.17%
2016152,233-159-0.10%
2015152,392-496-0.33%
2014152,888-258-0.17%
2013153,146-762-0.50%
2012153,908-167-0.11%
2011154,0751250.08%
2010153,9500.00%

Decatur Metro Area Population by Year

Population by Race

Race Population Percentage
White36,74167.44%
Black or African American12,29322.57%
Some Other Race3,6066.62%
Two or More Races1,4792.71%
Asian2140.39%
American Indian and Alaska Native1200.22%
Native Hawaiian and Other Pacific Islander250.05%
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Decatur Population by Race

Decatur Population Pyramid $2021

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Decatur Median Age

39.9


Total

38.3


Male

41.5


Female

Decatur Adults

There are 41,954 adults, (9,605 of whom are seniors) in Decatur.

Decatur Age Dependency

68.4

Age Dependency Ratio

29.7

Old Age Dependency Ratio

38.7

Child Dependency Ratio

Decatur Sex Ratio

Female

28,407

52.14%

Male

26,071

47.86%

Decatur Population by Age

Decatur Renter vs Owner Occupied by Household Type

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Decatur Household Types

Type Owner Renter
Married83.7%16.3%
All63.6%36.4%
Non Family52.9%47.1%
Male49.8%50.2%
Female36%64%

63.6%

Rate of Home Ownership

Decatur Households and Families

Type Count Average Size Owned
All22,1132.4263.6
Married9,5863.183.7
Non Family8,3111.252.9
Female3,2993.3136
Male9173.249.8

3.1

Average Family Size

2.42

Average Household Size

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Decatur Households by Type

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Education Attained Count Percentage
Less Than 9th Grade2,4826.64%
9th to 12th Grade3,6189.68%
High School Graduate10,40527.85%
Some College8,27422.15%
Associates Degree3,3378.93%
Bachelors Degree6,34516.98%
Graduate Degree2,8977.75%
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Decatur Educational Attainment by Sex (over 25)

Decatur Educational Attainment by Race

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Race Total High School Bachelors
White25,12322,9057,841
Black7,7756,102869
Hispanic3,6751,506128
Other Race1,76258135
2+ Races548540277
Asian142127117
Native American11411410

The highest rate of high school graduation is among native american people with a rate of 100.00%.

The highest rate of bachelors degrees is among asian people with a rate of 82.39%.

Decatur Educational Attainment by Race

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Name Average Male Female
Overall$32,342$41,256$28,658
Less Than 9th Grade$21,186$25,610$15,294
High School Graduate$27,008$31,897$21,304
Some College$34,008$41,261$30,177
Bachelors Degree$44,500$59,675$35,804
Graduate Degree$70,431$86,037$54,837

$32,342

Average Earnings

$41,256

Average Male

$28,658

Average Female

Decatur Earnings by Educational Attainment

Decatur Language by Age

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Decatur Language

87.84% of Decatur residents speak only English, while 12.16% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 10.63% of the population.

Decatur Language

Decatur Poverty by Race

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Name Total In Poverty Poverty Rate
Black11,9944,04833.75%
White32,4193,31510.23%
Hispanic7,2941,82024.95%
Other3,6061,26335.02%
Multiple1,47622415.18%
Asian214198.88%

17.55%

Overall Poverty Rate

14.23%

Male Poverty Rate

20.56%

Female Poverty Rate

Poverty in Decatur

The race most likely to be in poverty in Decatur is Other, with 35.02% below the poverty level.

The race least likely to be in poverty in Decatur is Asian, with 8.88% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 4.99%. Among those working part-time, it was 20.79%, and for those that did not work, the poverty rate was 22.73%.

Decatur Poverty

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Name Poverty
Less Than 9th Grade31.44%
High School17.82%
Some College10.10%
Bachelors or Greater3.10%

Decatur Poverty Rate by Education

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Rate Poverty
Female Unemployed46.07%
Male Unemployed45.29%
Female Employed10.60%
Male Employed5.46%

Decatur Poverty Rate by Employment Status and Sex

Decatur Income by Household Type

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Name Median Mean
Households$48,429$66,678
Families$60,899$80,181
Married Families$79,846-
Non Families$30,159$42,262
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Income by Household Type

Decatur Marital Status

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Marriage Rates

45.9%

Overall Marriage Rate

49.6%

Male Marriage Rate

42.6%

Female Marriage Rate

Decatur Married by Age and Sex

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Decatur Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 45-54.

Decatur Marital Status by Race

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Decatur Marital Status

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3,201

Number of Veterans

2,957

Male Veterans

244

Female Veterans

War Veterans
Vietnam1,086
Second Gulf War743
First Gulf War614
Korea343
World War II150

Decatur Veterans by War

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Age Group Veterans
75+819
35 to 54796
65 to 74778
55 to 64592
18 to 34216

Decatur Veterans by Age

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Name Veterans % of Total
White2,4888.32%
Black4945.56%
2+ Races17621.57%
Hispanic1092.49%
Other Race241.17%
Native American1916.67%

Decatur Veterans by Race

Decatur Veterans by Education

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10.28%

Veteran Poverty Rate

36.60%

Veteran Disability Rate

Decatur Veterans by Education

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57.8%

Labor Force Participation

54.5%

Employment Rate

5.7%

Unemployment Rate

Decatur Employment by Age

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Decatur Employment by Race

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Decatur Employment by Education

Origin of Non-Citizens

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

Origin of Naturalized Citizens

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66.68%

Born in Decatur

92.91%

Native Born

7.09%

Foreign Born

5.29%

Non Citizen

1.80%

Naturalized

Place of Birth

92.91% of Decatur residents were born in the United States, with 66.68% having been born in Alabama. 5.29% 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
202154,607810.15%
202054,526810.15%
201954,445810.15%
201854,364-73-0.13%
201754,437-292-0.53%
201654,729-298-0.54%
201555,027-242-0.44%
201455,269-196-0.35%
201355,465-372-0.67%
201255,837-79-0.14%
201155,9161020.18%
201055,8141,8850.34%
200053,9295,1681.01%
199048,7616,7591.50%
198042,0023,9580.99%
197038,0448,8272.68%
196029,2179,2433.88%
195019,9743,3701.87%
194016,6041,0110.63%
193015,59310,84112.62%
19204,7525241.18%
19104,2281,1143.11%
19003,1143491.20%
18902,7650.00%

Decatur Population by Year