Census tract · Rockwall County
Census Tract 401.01, Rockwall County, Texas
Census Tract 401.01, GEOID 48397040101, in Rockwall County, Texas, mostly within Rockwall (95% of its census blocks). 7,901 residents in the ACS 2020-2024 5-year estimates (±1,023); the 2020 Census counted 7,516.
Residents, 2020-2024
7,901
±1,023 (90% margin)
2020 Census count: 7,516
Median household income
$137,833
±$20,634 (90% margin)
Rockwall County: $127,981
Median home value
$447,900
±$31,364 (90% margin)
Rockwall County: $415,500
Median gross rent
$1,833
±$810 (90% margin)
Rockwall County: $1,992
Where is Census Tract 401.01?
Census Tract 401.01 is one of 29 census tracts in Rockwall County, Texas. It covers 2.11 square miles of land, 3,559 residents per square mile in 2020. Its GEOID, 48397040101, names it uniquely (how tract numbers and GEOIDs work).
5 census tracts border Census Tract 401.01: Tract 401.03 ($157,136), Tract 401.04 ($98,191), Tract 402.02 ($138,750), Tract 403.01 ($134,430) and Tract 403.03 ($116,970). 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 401.01?
The 2020-2024 American Community Survey puts Census Tract 401.01's population at 7,901 (±1,023) in 2,784 households; the 2020 Census counted 7,516 residents and 2,572 housing units.
| Measure | Tract 401.01 | Rockwall |
|---|---|---|
| Total population | 7,901 ±1,023 | 51,168 |
| Households | 2,784 ±303 | 18,273 |
| Average household size | 2.84 ±0.26 | 2.78 |
| Housing units | 2,802 ±305 | 19,328 |
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 401.01?
The median resident of Census Tract 401.01 is 47.0 years old; 21.7% are under 18 and 20.6% are 65 or older. The largest group is non-Hispanic white residents at 71.1%, then Hispanic or Latino residents (of any race) at 12.6%. 6.5% of residents were born outside the United States.
| Measure | Tract 401.01 | Rockwall |
|---|---|---|
| Median age | 47.0 ±3.6 | 39.5 |
| Under 18 years | 21.7% ±4.3 pts | 24.3% |
| 65 years and over | 20.6% ±5.4 pts | 15.8% |
| Hispanic or Latino (any race) | 12.6% ±3.2 pts | 15.8% |
| White alone, not Hispanic | 71.1% ±6.0 pts | 65.3% |
| Black or African American alone, not Hispanic | 7.6% ±4.2 pts | 10.8% |
| Asian alone, not Hispanic | 3.7% ±1.7 pts | 4.6% |
| American Indian and Alaska Native alone, not Hispanic | 0.1% ±0.2 pts | 0.1% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.6 pts | 0.0% |
| Two or more races, not Hispanic | 4.5% ±2.7 pts | 3.2% |
| Some other race alone, not Hispanic | 0.5% ±0.6 pts | 0.2% |
| Born outside the United States | 6.5% ±3.2 pts | 9.7% |
| Speak a language other than English at home (age 5+) | 9.9% ±3.5 pts | 13.5% |
| Civilian veterans (age 18+) | 6.8% ±2.8 pts | 6.6% |
| With a disability | 8.6% ±2.8 pts | 9.9% |
| No health insurance coverage | 4.8% ±3.2 pts | 8.1% |
| High school graduate or higher (age 25+) | 95.7% ±2.9 pts | 96.0% |
| Bachelor's degree or higher (age 25+) | 50.8% ±9.1 pts | 48.6% |
| Graduate or professional degree (age 25+) | 18.3% ±5.8 pts | 17.7% |
| Lived in the same house a year earlier | 91.3% ±4.6 pts | 86.0% |
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 401.01 earn?
Half of the 2,784 households in Census Tract 401.01 earn less than $137,833 a year (±$20,634), against $127,981 across Rockwall County: 11th highest of the county's 29 tracts with a reliable estimate.
| Measure | Tract 401.01 | Rockwall |
|---|---|---|
| Median household income | $137,833 ±$20,634 | $115,580 |
| Mean household income | $188,682 ±$41,682 | $142,025 |
| Per capita income | $69,460 ±$16,425 | $52,156 |
| People below the poverty line | 2.0% ±1.7 pts | 4.0% |
| Children under 18 below the poverty line | 2.4% ±2.9 pts | 3.1% |
| Households receiving SNAP | 0.9% ±1.2 pts | 5.1% |
| Households with a computer | 99.4% ±1.2 pts | 98.8% |
| Households with a broadband subscription | 98.0% ±1.9 pts | 96.3% |
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 401.01?
Owners occupy 88.9% of Census Tract 401.01's occupied homes and renters 11.1%. The median owner-occupied home is valued at $447,900 by its owner (±$31,364). The median renter pays $1,833 a month including utilities.
| Measure | Tract 401.01 | Rockwall |
|---|---|---|
| Median home value (owner-occupied) | $447,900 ±$31,364 | $411,700 |
| Median gross rent | $1,833 ±$810 | $1,947 |
| Renters paying 35% or more of income on rent | 28.7% ±24.6 pts | 40.7% |
| Median monthly owner costs, with a mortgage | $2,672 ±$200 | $2,542 |
| Owner-occupied homes | 88.9% ±4.1 pts | 72.5% |
| Renter-occupied homes | 11.1% ±4.1 pts | 27.5% |
| Housing units | 2,802 ±305 | 19,328 |
| Single-family detached homes | 99.5% ±0.9 pts | 78.2% |
| Mobile homes | 0.0% ±1.8 pts | 1.3% |
| Built 2020 or later | 0.0% ±1.8 pts | 5.1% |
| Built 2010 to 2019 | 20.7% ±10.3 pts | 21.5% |
| Built 1939 or earlier | 0.0% ±1.8 pts | 0.5% |
| Households with no vehicle | 0.0% ±1.8 pts | 2.5% |
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 401.01 get to work?
70.1% of Census Tract 401.01's workers drive alone and 23.7% work from home. The average trip to work takes 34.8 minutes.
| Measure | Tract 401.01 | Rockwall |
|---|---|---|
| In the labor force (age 16+) | 68.7% ±5.0 pts | 68.3% |
| Unemployment rate | 0.0% ±1.1 pts | 4.4% |
| Drove alone to work | 70.1% ±8.5 pts | 71.9% |
| Carpooled | 4.6% ±2.7 pts | 6.9% |
| Public transportation | 0.2% ±0.4 pts | 0.2% |
| Walked | 1.0% ±1.6 pts | 0.8% |
| Worked from home | 23.7% ±7.5 pts | 19.2% |
| Mean travel time to work | 34.8 min ±3.6 | 31.8 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 401.01 compare with the other tracts in Rockwall County?
Among Rockwall County's tracts with a reliable estimate, Census Tract 401.01 ranks as shown below (1 = highest).
| Measure | In Rockwall County | In Rockwall |
|---|---|---|
| Population | 1st of 29 | 1st of 13 |
| Residents per square mile | 3rd of 29 | 1st of 13 |
| Median household income | 11th of 29 | 5th of 13 |
| Per capita income | 6th of 29 | 3rd of 13 |
| Median home value | 13th of 29 | 8th of 13 |
| Median gross rent | 14th of 19 | 6th of 9 |
| Bachelor's degree or higher | 10th of 29 | 6th of 13 |
| Median age | 4th of 29 | 3rd of 13 |
| Owner-occupied share | 15th of 28 | 6th of 12 |
The tracts next to it on Rockwall County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 401.03 | 8th | $157,136±$26,770 · within the margin of this tract |
| Tract 404.06 | 9th | $142,091±$24,107 · within the margin of this tract |
| Tract 402.02 | 10th | $138,750±$28,299 · within the margin of this tract |
| Tract 401.01 | 11th | $137,833±$20,634 |
| Tract 405.14 | 12th | $134,632±$34,149 · within the margin of this tract |
| Tract 403.01 | 13th | $134,430±$26,324 · within the margin of this tract |
| Tract 404.11 | 14th | $132,316±$10,903 · 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 401.01?
1 of the 18 figures for Census Tract 401.01 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