Duncanville, Texas Population 2021

37,817
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Duncanville is a city located in Dallas County Texas. With a 2020 population of 37,817, it is the 90th largest city in Texas and the 1038th largest city in the United States . Duncanville is currently declining at a rate of -1.22% annually and its population has decreased by -1.84% since the most recent census, which recorded a population of 38,524 in 2010. Duncanville reached it's highest population of 39,839 in 2015. Spanning over 11 miles, Duncanville has a population density of 3,376 people per square mile.

The average household income in Duncanville is $70,301 with a poverty rate of 13.98%. The median rental costs in recent years comes to $1,140 per month, and the median house value is $149,600. The median age in Duncanville is 36.7 years, 35 years for males, and 39.4 years for females.

Duncanville Demographics

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

  • White: 54.14%
  • Black or African American: 34.41%
  • Other race: 7.18%
  • Two or more races: 2.73%
  • Asian: 1.17%
  • Native American: 0.34%
  • Native Hawaiian or Pacific Islander: 0.04%
The current population of Duncanville, Texas is 37,817 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 39,218.The last official US Census in 2010 recorded the population at 38,524.

Duncanville, Texas Population 2021

Population by Race

Race Population Percentage
White21,33854.14%
Black or African American13,56134.41%
Some Other Race2,8297.18%
Two or More Races1,0772.73%
Asian4601.17%
American Indian and Alaska Native1330.34%
Native Hawaiian and Other Pacific Islander170.04%
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Duncanville Population by Race

Duncanville Population Pyramid $2021

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Duncanville Median Age

36.7


Total

35


Male

39.4


Female

Duncanville Adults

There are 28,841 adults, (5,602 of whom are seniors) in Duncanville.

Duncanville Age Dependency

69.6

Age Dependency Ratio

24.1

Old Age Dependency Ratio

45.5

Child Dependency Ratio

Duncanville Sex Ratio

Female

20,251

51.38%

Male

19,164

48.62%

Duncanville Population by Age

Duncanville Renter vs Owner Occupied by Household Type

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Duncanville Household Types

Type Owner Renter
Married81.9%18.1%
Male64.1%35.9%
All63.9%36.1%
Non Family52.6%47.4%
Female39.2%60.8%

63.9%

Rate of Home Ownership

Duncanville Households and Families

Type Count Average Size Owned
All13,5062.963.9
Married6,1743.4781.9
Non Family3,5241.152.6
Female2,8963.6339.2
Male9123.764.1

3.48

Average Family Size

2.9

Average Household Size

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Duncanville Households by Type

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Education Attained Count Percentage
Less Than 9th Grade1,7927.18%
9th to 12th Grade2,1298.53%
High School Graduate6,74827.04%
Some College6,67726.76%
Associates Degree1,8927.58%
Bachelors Degree3,39313.60%
Graduate Degree2,3249.31%
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Duncanville Educational Attainment by Sex (over 25)

Duncanville Educational Attainment by Race

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Race Total High School Bachelors
Black8,3407,9921,834
Hispanic8,1215,100975
White7,9367,4212,747
Other Race1,6971,023148
2+ Races432410130
Asian347310112
Native American1109225
Islander1717

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

The highest rate of bachelors degrees is among white people with a rate of 34.61%.

Duncanville Educational Attainment by Race

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Name Average Male Female
Overall$36,762$40,174$33,500
Less Than 9th Grade$26,858$31,871$16,000
High School Graduate$31,850$37,844$29,296
Some College$37,966$43,523$35,430
Bachelors Degree$50,049$47,875$50,290
Graduate Degree$61,644$62,330$61,172

$36,762

Average Earnings

$40,174

Average Male

$33,500

Average Female

Duncanville Earnings by Educational Attainment

Duncanville Language by Age

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Duncanville Language

67.49% of Duncanville residents speak only English, while 32.51% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 30.67% of the population.

Duncanville Language

Duncanville Poverty by Race

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Name Total In Poverty Poverty Rate
Hispanic15,7062,57216.38%
Black13,3802,26416.92%
White9,2126156.68%
Other2,8212288.08%
Multiple1,07322220.69%
Asian46061.30%

13.98%

Overall Poverty Rate

14.00%

Male Poverty Rate

13.96%

Female Poverty Rate

Poverty in Duncanville

The race most likely to be in poverty in Duncanville is Multiple, with 20.69% below the poverty level.

The race least likely to be in poverty in Duncanville is Asian, with 1.30% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.24%. Among those working part-time, it was 19.43%, and for those that did not work, the poverty rate was 20.14%.

Duncanville Poverty

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Name Poverty
Less Than 9th Grade17.29%
Some College11.42%
High School9.69%
Bachelors or Greater4.10%

Duncanville Poverty Rate by Education

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Rate Poverty
Female Unemployed47.99%
Male Unemployed24.85%
Female Employed7.67%
Male Employed5.78%

Duncanville Poverty Rate by Employment Status and Sex

Duncanville Income by Household Type

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Name Median Mean
Households$56,412$70,301
Families$64,022$79,223
Married Families$80,450-
Non Families$37,009$42,462
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Income by Household Type

Duncanville Marital Status

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Marriage Rates

44.5%

Overall Marriage Rate

46.6%

Male Marriage Rate

42.6%

Female Marriage Rate

Duncanville Married by Age and Sex

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Duncanville 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 55-64.

Duncanville Marital Status by Race

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Duncanville Marital Status

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2,166

Number of Veterans

1,942

Male Veterans

224

Female Veterans

War Veterans
Vietnam817
First Gulf War497
Second Gulf War274
Korea137
World War II85

Duncanville Veterans by War

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Age Group Veterans
65 to 74661
55 to 64591
75+438
35 to 54368
18 to 34108

Duncanville Veterans by Age

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Name Veterans % of Total
White1,3148.32%
Black7537.62%
Hispanic2202.24%
2+ Races6912.21%
Other Race301.45%

Duncanville Veterans by Race

Duncanville Veterans by Education

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8.18%

Veteran Poverty Rate

29.52%

Veteran Disability Rate

Duncanville Veterans by Education

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62.7%

Labor Force Participation

57.7%

Employment Rate

8%

Unemployment Rate

Duncanville Employment by Age

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Duncanville Employment by Race

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Duncanville 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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66.19%

Born in Duncanville

86.97%

Native Born

13.03%

Foreign Born

7.43%

Non Citizen

5.60%

Naturalized

Place of Birth

86.97% of Duncanville residents were born in the United States, with 66.19% having been born in Texas. 7.43% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Duncanville Place of Birth

Year Population Growth Annual Growth Rate
202137,817-467-1.22%
202038,284-467-1.21%
201938,751-467-1.19%
201839,218-315-0.80%
201739,533-129-0.33%
201639,662-177-0.44%
201539,8391360.34%
201439,703980.25%
201339,605830.21%
201239,5225231.34%
201138,9994141.07%
201038,5852,5040.67%
200036,0813330.09%
199035,7487,9672.55%
198027,78113,6767.01%
197014,10510,33114.09%
19603,7740.00%

Duncanville Population by Year