Census tract · Dallas County
Census Tract 166.23, Dallas County, Texas
Census Tract 166.23, GEOID 48113016623, in Dallas County, Texas, mostly within Glenn Heights (52% of its census blocks). 9,606 residents in the ACS 2020-2024 5-year estimates (±1,104); the 2020 Census counted 8,279.
Residents, 2020-2024
9,606
±1,104 (90% margin)
2020 Census count: 8,279
Median household income
$102,586
±$19,778 (90% margin)
Dallas County: $76,547
Median home value
$353,200
±$32,705 (90% margin)
Dallas County: $303,000
Median gross rent
$2,559
±$1,197 (90% margin)
Dallas County: $1,565
Where is Census Tract 166.23?
Census Tract 166.23 is one of 645 census tracts in Dallas County, Texas. It covers 5.75 square miles of land, 1,440 residents per square mile in 2020. Its GEOID, 48113016623, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Glenn Heights | 52% |
| DeSoto | 23% |
| Cedar Hill | 21% |
| Ovilla | 3% |
7 census tracts border Census Tract 166.23: Tract 166.21 ($81,404), Tract 166.22 ($85,550), Tract 166.24 ($107,907), Tract 166.31 ($127,875), Tract 166.32 ($95,451), Tract 166.33 ($99,336) and Tract 602.16 in Ellis County ($109,556). The figure in brackets is each tract's median household income.
Whether a tract counts as low- or moderate-income for bank lending (the Community Reinvestment Act) is set by the FFIEC against its metro area's family income: look it up in the FFIEC census geocoder.
Source: 2024 Gazetteer and 2020 block assignment files, U.S. Census Bureau · Census reference files
How many people live in Census Tract 166.23?
The 2020-2024 American Community Survey puts Census Tract 166.23's population at 9,606 (±1,104) in 2,994 households; the 2020 Census counted 8,279 residents and 2,793 housing units.
| Measure | Tract 166.23 | Glenn Heights |
|---|---|---|
| Total population | 9,606 ±1,104 | 18,096 |
| Households | 2,994 ±361 | 5,950 |
| Average household size | 3.21 ±0.28 | 3.04 |
| Housing units | 3,190 ±344 | 6,073 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Census Tract 166.23?
The median resident of Census Tract 166.23 is 33.4 years old; 28.2% are under 18 and 6.4% are 65 or older. The largest group is non-Hispanic Black residents at 70.6%, then Hispanic or Latino residents (of any race) at 19.7%. 8.1% of residents were born outside the United States.
| Measure | Tract 166.23 | Glenn Heights |
|---|---|---|
| Median age | 33.4 ±5.8 | 33.8 |
| Under 18 years | 28.2% ±6.8 pts | 27.8% |
| 65 years and over | 6.4% ±1.9 pts | 7.3% |
| Hispanic or Latino (any race) | 19.7% ±6.1 pts | 30.1% |
| White alone, not Hispanic | 6.7% ±3.3 pts | 15.8% |
| Black or African American alone, not Hispanic | 70.6% ±7.1 pts | 51.7% |
| Asian alone, not Hispanic | 0.4% ±0.5 pts | 1.0% |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±0.5 pts | 0.0% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.5 pts | 0.0% |
| Two or more races, not Hispanic | 2.5% ±1.4 pts | 1.4% |
| Some other race alone, not Hispanic | 0.0% ±0.5 pts | 0.0% |
| Born outside the United States | 8.1% ±5.2 pts | 9.7% |
| Speak a language other than English at home (age 5+) | 19.0% ±5.5 pts | 21.3% |
| Civilian veterans (age 18+) | 8.0% ±2.8 pts | 7.9% |
| With a disability | 8.8% ±3.9 pts | 11.9% |
| No health insurance coverage | 10.1% ±6.0 pts | 15.0% |
| High school graduate or higher (age 25+) | 93.3% ±4.8 pts | 84.2% |
| Bachelor's degree or higher (age 25+) | 34.9% ±8.3 pts | 27.1% |
| Graduate or professional degree (age 25+) | 17.0% ±9.1 pts | 11.0% |
| Lived in the same house a year earlier | 88.1% ±9.9 pts | 90.0% |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Census Tract 166.23 earn?
Half of the 2,994 households in Census Tract 166.23 earn less than $102,586 a year (±$19,778), against $76,547 across Dallas County: 159th highest of the county's 631 tracts with a reliable estimate. 21.2% of residents live below the poverty line.
| Measure | Tract 166.23 | Glenn Heights |
|---|---|---|
| Median household income | $102,586 ±$19,778 | $81,718 |
| Mean household income | $115,753 ±$17,001 | $94,711 |
| Per capita income | $36,308 ±$6,039 | $31,569 |
| People below the poverty line | 21.2% ±12.1 pts | 13.0% |
| Children under 18 below the poverty line | 47.3% ±22.3 pts | 26.0% |
| Households receiving SNAP | 13.0% ±9.2 pts | 7.3% |
| Households with a computer | 99.3% ±1.1 pts | 98.3% |
| Households with a broadband subscription | 94.3% ±4.4 pts | 93.8% |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Census Tract 166.23?
Owners occupy 82.9% of Census Tract 166.23's occupied homes and renters 17.1%. The median owner-occupied home is valued at $353,200 by its owner (±$32,705). The median renter pays $2,559 a month including utilities, and 69.3% of renters pay 35% or more of their income on rent.
| Measure | Tract 166.23 | Glenn Heights |
|---|---|---|
| Median home value (owner-occupied) | $353,200 ±$32,705 | $309,600 |
| Median gross rent | $2,559 ±$1,197 | $1,675 |
| Renters paying 35% or more of income on rent | 69.3% ±23.8 pts | 68.9% |
| Median monthly owner costs, with a mortgage | $2,432 ±$397 | $2,167 |
| Owner-occupied homes | 82.9% ±9.7 pts | 78.4% |
| Renter-occupied homes | 17.1% ±9.7 pts | 21.6% |
| Housing units | 3,190 ±344 | 6,073 |
| Single-family detached homes | 80.3% ±8.0 pts | 74.8% |
| Mobile homes | 9.3% ±5.9 pts | 14.0% |
| Built 2020 or later | 14.0% ±7.8 pts | 10.7% |
| Built 2010 to 2019 | 33.3% ±11.4 pts | 23.4% |
| Built 1939 or earlier | 0.0% ±1.6 pts | 0.3% |
| Households with no vehicle | 0.0% ±1.7 pts | 4.8% |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How do people in Census Tract 166.23 get to work?
69.4% of Census Tract 166.23's workers drive alone and 20.3% work from home. The average trip to work takes 31.2 minutes.
| Measure | Tract 166.23 | Glenn Heights |
|---|---|---|
| In the labor force (age 16+) | 70.7% ±8.4 pts | 72.7% |
| Unemployment rate | 2.2% ±1.9 pts | 5.3% |
| Drove alone to work | 69.4% ±9.8 pts | 75.7% |
| Carpooled | 9.8% ±8.5 pts | 9.7% |
| Public transportation | 0.0% ±1.0 pts | 0.3% |
| Walked | 0.0% ±1.0 pts | 0.0% |
| Worked from home | 20.3% ±10.3 pts | 13.9% |
| Mean travel time to work | 31.2 min ±3.0 | 33.3 min |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
How does Census Tract 166.23 compare with the other tracts in Dallas County?
Among Dallas County's tracts with a reliable estimate, Census Tract 166.23 ranks as shown below (1 = highest).
| Measure | In Dallas County |
|---|---|
| Population | 2nd of 642 |
| Residents per square mile | 594th of 645 |
| Median household income | 159th of 631 |
| Per capita income | 299th of 642 |
| Median home value | 208th of 575 |
| Median gross rent | 36th of 608 |
| Poverty rate | 105th of 329 |
| Bachelor's degree or higher | 280th of 579 |
| Median age | 380th of 642 |
| Owner-occupied share | 114th of 578 |
The tracts next to it on Dallas County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 52 | 156th | $103,073±$41,781 · within the margin of this tract |
| Tract 143.20 | 157th | $102,896±$26,465 · within the margin of this tract |
| Tract 6.09 | 158th | $102,772±$26,521 · within the margin of this tract |
| Tract 166.23 | 159th | $102,586±$19,778 |
| Tract 164.18 | 160th | $102,386±$17,613 · within the margin of this tract |
| Tract 21 | 161st | $102,148±$10,427 · within the margin of this tract |
| Tract 178.11 | 162nd | $102,031±$29,116 · within the margin of this tract |
"Within the margin": the two incomes differ by less than their combined 90% margins, so the survey cannot say which is higher and the ranks between them are not firm.
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · How ranks are computed
How reliable are the figures for Census Tract 166.23?
1 of the 18 figures for Census Tract 166.23 on this page carries a coefficient of variation over 40% and is marked with a ring: they come from a small sample, so read them as rough.
A census tract's figures rest on a few hundred sampled households over five years, so its margins are wider than a city's. Two tracts differ only when the gap between them is larger than their combined 90% margin (the square root of the sum of the two squared margins). How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · Check it at data.census.gov
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections