Duncanville, TX Profile: Facts & Data


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Duncanville, Texas - Basic Facts

The City of Duncanville had a population of 40,580 as of July 1, 2018. Duncanville ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Texas. See peer rankings below.

The primary coordinate point for Duncanville is located at latitude 32.6518 and longitude -96.9083 in Dallas County. The formal boundaries for the City of Duncanville (see map below) encompass a land area of 11.24 sq. miles and a water area of 0.01 sq. miles. Dallas County is in the Central time zone (GMT -6). The elevation is 725 feet.

The City of Duncanville (GNIS ID: 2410369) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

Texas is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The City of Duncanville is located within Southwest Dallas Division of Dallas County.

Alternate Unofficial Names for Duncanville: Duncan Switch.

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  1. Duncanville 2018 Demographic Data
  2. Growth Rates for Duncanville (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Texas Research Tools (Easy Tools & Current Data)
  3. Texas Data Comparison Tool - 2018 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


Duncanville, TX Data & Demographics (As of July 1, 2018)


Total Population 40,580
Population in Households 40,352
Population in Familes 35,527
Population in Group Qrtrs 228
Population Density2 3,611
Diversity Index3 83


Median Household Income $57,703
Average Household Income $76,582
Per Capita Income $26,277


Total Housing Units 14,434 (100%)
Owner Occupied HU 8,425 (58.4%)
Renter Occupied HU 5,227 (36.2%)
Vacant Housing Units 782 ( 5.4%)
Median Home Value $140,322
Average Home Value $171,347


Total Households 13,652
Average Household Size 2.96
Family Households 10,358
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2018 2018-2023
Population 0.63% 0.65%
Households 0.34% 0.46%
Families 0.3% 0.55%
Median Household Income   1.81%
Per Capita Income   2.15%

Duncanville, TX - Peer Comparisons by Rank and Percentile

The table below compares Duncanville to the other 1,749 incorporated cities, towns and CDPs in Texas by rank and percentile using July 1, 2018 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 88 95th
Population Density # 118 93rd
Diversity Index # 30 98th
Median Household Income # 466 73rd
Per Capita Income # 675 61st

Additional comparisons and rankings can be made with a VERY EASY TO USE Texas Census Data Comparison Tool.

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