Census tract · Denton County
Census Tract 217.51, Denton County, Texas
Census Tract 217.51, GEOID 48121021751, in Denton County, Texas, entirely within Flower Mound. 4,649 residents in the ACS 2020-2024 5-year estimates (±636); the 2020 Census counted 4,734.
Residents, 2020-2024
4,649
±636 (90% margin)
2020 Census count: 4,734
Median household income
$239,904
±$41,465 (90% margin)
Denton County: $111,498
Median home value
$660,800
±$23,819 (90% margin)
Denton County: $437,200
Median gross rent
not published
Denton County: $1,728
Where is Census Tract 217.51?
Census Tract 217.51 is one of 193 census tracts in Denton County, Texas. It covers 0.83 square miles of land, 5,710 residents per square mile in 2020. Its GEOID, 48121021751, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Flower Mound | 100% |
3 census tracts border Census Tract 217.51: Tract 217.50 ($250,000 or more), Tract 217.52 ($186,827) and Tract 217.57 ($152,981). 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 217.51?
The 2020-2024 American Community Survey puts Census Tract 217.51's population at 4,649 (±636) in 1,409 households; the 2020 Census counted 4,734 residents and 1,338 housing units.
| Measure | Tract 217.51 | Flower Mound |
|---|---|---|
| Total population | 4,649 ±636 | 78,389 |
| Households | 1,409 ±173 | 28,128 |
| Average household size | 3.30 ±0.20 | 2.78 |
| Housing units | 1,409 ±173 | 28,789 |
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 217.51?
The median resident of Census Tract 217.51 is 40.6 years old; 31.4% are under 18 and 5.7% are 65 or older. The largest group is non-Hispanic white residents at 52.5%, then non-Hispanic Asian residents at 26.5%. 24.5% of residents were born outside the United States.
| Measure | Tract 217.51 | Flower Mound |
|---|---|---|
| Median age | 40.6 ±3.7 | 43.5 |
| Under 18 years | 31.4% ±5.3 pts | 24.7% |
| 65 years and over | 5.7% ±1.9 pts | 12.7% |
| Hispanic or Latino (any race) | 7.5% ±4.2 pts | 12.8% |
| White alone, not Hispanic | 52.5% ±7.7 pts | 64.1% |
| Black or African American alone, not Hispanic | 8.4% ±9.2 pts | 3.3% |
| Asian alone, not Hispanic | 26.5% ±4.4 pts | 14.8% |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±1.1 pts | 0.1% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±1.1 pts | 0.0% |
| Two or more races, not Hispanic | 5.2% ±3.4 pts | 4.6% |
| Some other race alone, not Hispanic | 0.0% ±1.1 pts | 0.3% |
| Born outside the United States | 24.5% ±3.8 pts | 17.3% |
| Speak a language other than English at home (age 5+) | 29.2% ±6.5 pts | 22.4% |
| Civilian veterans (age 18+) | 2.2% ±1.6 pts | 5.6% |
| With a disability | 2.9% ±1.5 pts | 7.2% |
| No health insurance coverage | 3.6% ±3.4 pts | 4.4% |
| High school graduate or higher (age 25+) | 98.8% ±1.2 pts | 97.3% |
| Bachelor's degree or higher (age 25+) | 79.2% ±6.4 pts | 65.5% |
| Graduate or professional degree (age 25+) | 36.9% ±6.6 pts | 23.0% |
| Lived in the same house a year earlier | 88.3% ±7.1 pts | 88.8% |
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 217.51 earn?
Half of the 1,409 households in Census Tract 217.51 earn less than $239,904 a year (±$41,465), against $111,498 across Denton County: 5th highest of the county's 193 tracts with a reliable estimate.
| Measure | Tract 217.51 | Flower Mound |
|---|---|---|
| Median household income | $239,904 ±$41,465 | $161,235 |
| Mean household income | $259,122 ±$27,378 | $202,477 |
| Per capita income | $76,753 ±$9,500 | $73,350 |
| People below the poverty line | 1.9% ±2.1 pts | 4.3% |
| Children under 18 below the poverty line | 1.9% ±2.3 pts | 6.7% |
| Households receiving SNAP | 0.9% ±1.4 pts | 1.6% |
| Households with a computer | 100.0% ±3.5 pts | 99.3% |
| Households with a broadband subscription | 99.1% ±0.9 pts | 97.3% |
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 217.51?
Owners occupy 95.5% of Census Tract 217.51's occupied homes and renters 4.5%. The median owner-occupied home is valued at $660,800 by its owner (±$23,819).
| Measure | Tract 217.51 | Flower Mound |
|---|---|---|
| Median home value (owner-occupied) | $660,800 ±$23,819 | $560,200 |
| Renters paying 35% or more of income on rent | 0.0% ±46.3 pts | 38.3% |
| Median monthly owner costs, with a mortgage | $3,641 ±$253 | $3,001 |
| Owner-occupied homes | 95.5% ±5.2 pts | 82.5% |
| Renter-occupied homes | 4.5% ±5.2 pts | 17.5% |
| Housing units | 1,409 ±173 | 28,789 |
| Single-family detached homes | 100.0% ±3.5 pts | 85.9% |
| Mobile homes | 0.0% ±3.5 pts | 1.5% |
| Built 2020 or later | 0.0% ±3.5 pts | 3.0% |
| Built 2010 to 2019 | 1.9% ±2.6 pts | 17.5% |
| Built 1939 or earlier | 0.0% ±3.5 pts | 0.0% |
| Households with no vehicle | 0.6% ±1.0 pts | 1.6% |
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 217.51 get to work?
53.6% of Census Tract 217.51's workers drive alone and 40.0% work from home. The average trip to work takes 26.1 minutes.
| Measure | Tract 217.51 | Flower Mound |
|---|---|---|
| In the labor force (age 16+) | 68.4% ±5.0 pts | 69.9% |
| Unemployment rate | 0.7% ±1.2 pts | 3.4% |
| Drove alone to work | 53.6% ±7.1 pts | 64.2% |
| Carpooled | 3.1% ±2.4 pts | 4.5% |
| Public transportation | 0.0% ±2.1 pts | 0.1% |
| Walked | 1.1% ±1.3 pts | 0.6% |
| Worked from home | 40.0% ±7.4 pts | 28.9% |
| Mean travel time to work | 26.1 min ±4.6 | 26.0 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 217.51 compare with the other tracts in Denton County?
Among Denton County's tracts with a reliable estimate, Census Tract 217.51 ranks as shown below (1 = highest).
| Measure | In Denton County | In Flower Mound |
|---|---|---|
| Population | 98th of 193 | 5th of 18 |
| Residents per square mile | 39th of 193 | 1st of 18 |
| Median household income | 5th of 193 | 3rd of 18 |
| Per capita income | 22nd of 193 | 6th of 18 |
| Median home value | 23rd of 178 | 5th of 18 |
| Bachelor's degree or higher | 3rd of 192 | 1st of 18 |
| Median age | 64th of 193 | 14th of 18 |
| Owner-occupied share | 15th of 182 | 5th of 18 |
The tracts next to it on Denton County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 216.52 | 3rd | $242,813±$37,148 · within the margin of this tract |
| Tract 217.49 | 4th | $242,326±$36,227 · within the margin of this tract |
| Tract 217.51 | 5th | $239,904±$41,465 |
| Tract 217.54 | 6th | $238,378±$32,881 · within the margin of this tract |
| Tract 203.16 | 7th | $232,827±$19,984 · within the margin of this tract |
| Tract 217.20 | 8th | $229,271±$33,061 · 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 217.51?
2 of the 17 figures for Census Tract 217.51 on this page carry a coefficient of variation over 40% and are 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