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Duncanville, TX

Last updated
Key Indicators
A quick look at key numbers

Population

39,683
Source: U.S. Census Bureau American Community Survey (ACS) 2020-2024 5-Year Estimates

Median Age

36.2
years ∙ half population younger than 36.2, half older

Diversity Index

Low High
66.8%
chance two random people differ in race and ethnicity

Nativity

16.3%
foreign-born population
83.7%Native
16.3% Foreign-born

Geographic Context

Location, size, and surroundings

About

Duncanville is a city within Dallas County, Texas, United States.
Location
City in Dallas County, TX, US
Co-ordinates
DEC32.645950° N, 96.913870° W
DMS32° 38′ 45.42″ N, 96° 54′ 49.93″ W

Population Density & area

3,543/sq mi (1,368/km²)
Total Area
11.2 sq mi (29 km²)
Land Area
11.2 sq mi (29 km²) · 99.89%
Water Area
0 sq mi (0 km²) · 0.11%

Demographics & Living

Who lives here, how households are formed, and community composition

Population Composition

Key characteristics of the population

Sex Distribution

47.7% male
Male 47.7%
Female 52.3%
males per 100 females
Duncanville 91.1
Dallas County 98.5
Texas 99.6

Nativity

16.3%
foreign-born population
83.7%Native
16.3% Foreign-born
% Foreign-born
Duncanville 16.3%
Dallas County 24.8%
Texas 17.6%
Age Distribution
How the population is spread across age groups

Median Age

36.2
years ∙ half population younger than 36.2, half older
Duncanville
36.2
Dallas County
34.1
Texas
35.6

Dependency ratio

Low High
79.8
dependents per 100 working-age adults
Duncanville 79.8
Dallas County 58.5
Texas 62.4

AGE DISTRIBUTION

Distribution of age group
Median age
Duncanville Dallas County Texas
Age Group
Children (Under 18) 27.8% 25.1% 25%
Working age (18-64) 55.7% 63.1% 61.6%
Senior (65+) 16.5% 11.8% 13.4%
Dependency ratio
Total dependency ratio 79.8 58.5 62.4
Child dependency ratio 50 39.8 40.6
Old-age dependency ratio 29.8 18.7 21.8
Racial & Ethnic Composition
Racial and ethnic makeup and how it compares

Race & Ethnicity

White
22.1%
Black
29.3%
Asian
1.3%
Hispanic
44.3%
Other
3%
Note: White, Black, and Asian refer to individuals belonging to a single race and not of Hispanic origin. Hispanics may be of any race.

Diversity Index

Low High
66.8%
chance two random people differ in race and ethnicity
Duncanville 66.8%
Dallas County 70.5%
Texas 67.1%
Note: The Diversity Index (DI), based on the Blau Index, measures the probability that two randomly selected individuals differ in race and ethnicity. Values range from 0 (no diversity) to 1 (high diversity) and are shown as percentages.

RACIAL & ETHNIC COMPOSITION

Race & Ethnicity
Percentage of Duncanville population
Racial and ethnic composition — Duncanville vs Dallas County vs Texas. Source: ACS 2020-2024 5-Year Estimates.
Duncanville Dallas County Texas
Hispanic or Latino 44.3% 41.3% 39.7%
Mexican 37.6% 32.3% 32.1%
Puerto Rican 0.1% 0.7% 0.8%
Cuban 0.4% 0.4% 0.5%
Other Hispanic / Latino 6.3% 7.9% 6.3%
Not Hispanic or Latino 55.7% 58.7% 60.3%
One race 53.4% 56% 57.2%
White 22.1% 26.4% 39.1%
Black or African American 29.3% 22.1% 11.9%
American Indian and Alaska Native 0.3% 0.1% 0.1%
Asian 1.3% 7% 5.5%
Native Hawaiian and Other Pacific Islander 0% 0% 0.1%
Some Other Race 0.4% 0.4% 0.4%
Two or more races (Multiracial) 2.3% 2.7% 3.1%
Household & Families Composition
Household size, type, and family structure

Household structure

73% family
Family 73%
Non family 27%
% family households
Duncanville 73%
Dallas County 62.4%
Texas 67.7%

Average household size

2.98
persons per household
Duncanville
2.98
Dallas County
2.63
Texas
2.69

Household & Family COMPOSITION

Households
Percentage of Duncanville population
Duncanville Dallas County Texas
Total households 13,215 982,737 10,992,816
Average houshold size 2.98 2.63 2.69
Family households 9,642 613,259 7,443,447
Average family size 3.55 3.39 3.3
Married couple family 6,092 413,940 5,376,819
Other families 3,550 199,319 2,066,628
Male householder 780 54,286 591,475
Female householder 2,770 145,033 1,475,153
Non-family households 3,573 369,478 3,549,369
One-person households 3,182 301,277 2,885,361
Male householder 1,164 142,047 1,366,738
Senior (65+) living alone 528 26,539 338,159
Female householder 2,018 159,230 1,518,623
Senior (65+) living alone 1,134 52,941 643,272
Other living arrangements 391 68,201 664,008

Housing Profile

Housing stock, ownership, rentals, and cost burdens

Total housing units

14,027
housing units
Duncanville 14,027
Dallas County 1,064,965
Texas 12,128,515

Occupancy status

94.2% occupied
Occupied 94.2%
Vacant 5.8%
vacancy rate
Duncanville 5.8%
Dallas County 7.7%
Texas 9.4%
Housing Characteristics
How the housing supply is structured and used

Types of Housing unit

76.1%
Single family houses
Single family houses
76.1%
Apartments in multi-unit structures
23.3%
Mobile homes
0.6%
Boat, RV, van, etc
0%

Median Year Built

1978
Half of houses were built before 1978, and half after.
Historic ∙ 1939 or earlier
1.3%
Postwar & mid-century ∙ 1940 - 1969
23.9%
Late 20th century ∙ 1970 - 1999
65.9%
Modern ∙ 2000 or later
9%
Note: Median year built reflects occupied units only; distribution includes all units.

Housing Characteristics

Units, rooms & bedrooms
Physical characteristics of housing units
Duncanville Dallas County Texas
Rooms per unit
Median rooms 5.8 5 5.4
1–3 rooms 8.8% 23.8% 17.1%
4–6 rooms 56.2% 51.4% 52.8%
7+ rooms 35.1% 24.8% 30.1%
Bedrooms
No bedroom / studio 1.7% 4.2% 3%
1 bedroom 7.9% 20.5% 12.7%
2 bedrooms 15.4% 24.3% 21%
3 bedrooms 50.2% 33% 39.5%
4+ bedrooms 24.9% 18.1% 23.9%
At a glance
Median year built 1978 1983 1992
Total housing units 14,027 1,064,965 12,128,515
Occupancy Profile
Who is inside and how they use it

Homeownership

66% owners
Renter-occupied 34%
Owner-occupied 66%
homeownership rate
Duncanville 66%
Dallas County 50.8%
Texas 62.6%

Average household size

3.04
Owner-occupied
2.87
Renter-occupied
owner-occupied average size
Duncanville 3.04
Dallas County 2.91
Texas 2.87

Housing Characteristics

Occupied unit characteristics
Tenure, crowding, and utilities
Duncanville Dallas County Texas
Total occupied units 13,215 982,737 10,992,816
Year moved in
2020 or later 16% 31.9% 30.1%
2010 to 2019 41.1% 39% 40.4%
2000 to 2009 20.6% 14.7% 15.4%
1999 or earlier 22.4% 14.5% 14.1%
Occupants per room
1.00 or fewer 95.8% 93.8% 95.2%
1.01 to 1.50 3.7% 4.1% 3.2%
1.51 or more 0.5% 2% 1.6%
Vehicles availability
No vehicles 4.3% 6.8% 5.4%
1 vehicle 36.1% 37.5% 33%
2 vehicles 30.9% 35.5% 39.3%
3 or more vehicles 28.6% 20.2% 22.3%
House heating fuel used
Gas 38.9% 37.2% 37.4%
Electricity 60.5% 61.8% 61.2%
Solar 0.2% 0.2% 0.3%
Fuel oil, kerosene etc 0% 0% 0.1%
All other fuels 0.1% 0.1% 0.4%
No fuel used 0.3% 0.7% 0.6%
Selected characteristics
Lacking complete plumbing 0.4% 0.4% 0.5%
Lacking complete kitchen 0.4% 0.7% 0.8%
No telephone service available 0.2% 0.8% 0.9%
Housing Value
What owner-occupied units are worth

Median home value

$255,500
owner-occupied units
Median value(USD)
Duncanville
$255,500
Dallas County
$303,000
Texas
$283,800

Housing Cost Burden

30.2%
of homeowners with a mortgage are cost-burdened
% Cost-Burdened Households
Owners with a mortgage
30.2%
Owners without a mortgage
15%
Renters
63%
Note: Households spending 30% or more of their income on housing costs are considered cost-burdened.

Financial characteristics

Property value and housing costs
Tenure, crowding, and utilities
Duncanville Dallas County Texas
Property value
Median Value $255,500 $303,000 $283,800
Under $100,000 5% 7% 13.3%
$100,000 - $200,000 20.3% 16% 17.9%
$200,000 - $300,000 39.8% 26.5% 22.1%
$300,000 - $500,000 30% 28.8% 28%
$500,000 - $1,000,000 4.4% 15.4% 14.9%
$1,000,000 and more 0.5% 6.3% 3.7%
Owner-occupied households
With a mortgage 51.9% 57.3% 56%
Without a mortgage 48.1% 42.7% 44%
Median monthly owner costs
With a mortgage $1,821 $2,166 $2,106
Without a mortgage $808 $793 $678
Gross rent
Median rent $1,630 $1,565 $1,403

Education Profile

How educated is the community and how education pays off

Adults with a college degree

25.2%
of adults 25+ with a bachelor's degree or higher
Duncanville 25.2%
Dallas County 35.7%
Texas 33.8%

Adults without a high school diploma

19%
of adults (25+) without a high school diploma
Duncanville 19%
Dallas County 18%
Texas 14.1%
School Enrollment
Who is enrolled in school and at what level

School enrollment

11,162
population (age 3+) enrolled in school
Nursery / Preschool
2.6%
K–12
81.6%
College / Undergraduate
12.3%
Graduate / Professional
3.5%

College-going rate (18-24 yr olds)

20.6%
of 18-24-year-olds in college or graduate school
Duncanville
20.6%
Dallas County
30.1%
Texas
36.3%

Enrollment & school type

Enrollment levels, college-going rate, and public vs private school split
Population 3+ currently enrolled in a school
Duncanville Dallas County Texas
Total enrolled (age 3+) 11,162 662,580 7,886,029
Nursery / preschool 2.6% 6% 5.6%
K–12 81.6% 72.2% 70.6%
Kindergarten 8.1% 5.8% 5.4%
Elementary: Grades 1–4 19.6% 21.2% 21.1%
Elementary: Grades 5–8 26.6% 22.4% 21.8%
High School: Grades 9–12 27.3% 22.8% 22.3%
College or graduate school 15.8% 21.9% 23.9%
College, undergraduate 12.3% 16.5% 18.9%
Graduate, professional school 3.5% 5.3% 5%
College-going rate · 18-24 yr olds 20.6% 30.1% 36.3%
School type
Public school 88.1% 85.5% 86.9%
Private school 11.9% 14.5% 13.1%
Education Attainment by Level & Gender
What is the highest level of education completed among adults

Education attainment

25,001
population 25 years and over
Total adults (25+)
Less than 9th grade
7.8%
9th-12th, no diploma
11.2%
HS graduate
27.2%
Some college no degree
20.2%
Associates degree
8.4%
Bachelors degree
16.5%
Graduate or professional degree
8.7%

Attainment by gender

Male vs Female
Adults (25+) · Share within each education level
% male · % female
Less than 9th grade
49.6% · 50.4%
9th-12th, no diploma
55.8% · 44.2%
HS graduate
47.1% · 52.9%
Some college no degree
47.6% · 52.4%
Associates degree
36.4% · 63.6%
Bachelors degree
37.4% · 62.6%
Graduate or professional degree
38.4% · 61.6%

Educational Attainment Overview

Distribution and key education attainment rates for adults (25+)
Highest credential completed · adults 25+
Duncanville Dallas County Texas
Population (25+) 25,001 1,709,388 19,717,474
Less than 9th grade 7.8% 10.1% 7.3%
9th–12th, no diploma 11.2% 7.9% 6.8%
High school diploma or GED 27.2% 22.3% 24.3%
Some college, no degree 20.2% 17.6% 20.1%
Associate's degree 8.4% 6.3% 7.7%
Bachelor's degree or higher 25.2% 35.7% 33.8%
Bachelor's degree 16.5% 22.1% 21.5%
Graduate or professional 8.7% 13.7% 12.3%
High School or higher 81.1% 81.9% 86%
Earnings by education level
percentage as applicable

Median Earnings

$45,070
Median earnings for adults 25+, by level
Less than HS graduate
$41,572
HS graduate
$39,097
Some college or associates
$42,635
Bachelors degree
$61,327
Graduate or professional degree
$68,530

Poverty Rate

3.4%
for ages 25+, with bachelors degree or higher
Less than HS graduate
10.1%
HS graduate
7.8%
Some college or associates
9.9%
Bachelors degree or higher
3.4%

Outcomes by Education Level

Earnings and poverty rates across education levels (25+)
Adults 25+
Duncanville Dallas County Texas
Median earnings
Population 25+, with earnings $45,070 $50,216 $51,033
Less than high school graduate $41,572 $32,826 $30,970
High school graduate (includes equivalency) $39,097 $37,158 $37,956
Some college or associate's degree $42,635 $45,742 $46,890
Bachelor's degree $61,327 $72,410 $70,006
Graduate or professional degree $68,530 $93,077 $87,663
Poverty rates
Less than high school graduate 10.1% 19.9% 24.3%
High school graduate (includes equivalency) 7.8% 14.9% 14.8%
Some college or associate's degree 9.9% 9.7% 9.6%
Bachelor's degree or higher 3.4% 4.9% 4.5%

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