Census tract · Loudoun County
Census Tract 6115.01, Loudoun County, Virginia
Census Tract 6115.01, GEOID 51107611501, in Loudoun County, Virginia, mostly within Dulles Town Center (91% of its census blocks). 3,703 residents in the ACS 2020-2024 5-year estimates (±546); the 2020 Census counted 4,242.
Residents, 2020-2024
3,703
±546 (90% margin)
2020 Census count: 4,242
Median household income
$117,719
±$30,841 (90% margin)
Loudoun County: $181,765
Median home value
$618,900
±$10,803 (90% margin)
Loudoun County: $743,800
Median gross rent
$2,363
±$325 (90% margin)
Loudoun County: $2,386
Where is Census Tract 6115.01?
Census Tract 6115.01 is one of 75 census tracts in Loudoun County, Virginia. It covers 1.56 square miles of land, 2,714 residents per square mile in 2020. Its GEOID, 51107611501, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Dulles Town Center | 91% |
| Cascades | 9% |
5 census tracts border Census Tract 6115.01: Tract 6110.18 ($93,315), Tract 6111.01 ($127,723), Tract 6111.02 ($198,214), Tract 6112.07 ($170,625) and Tract 6115.02 ($131,000). 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 6115.01?
The 2020-2024 American Community Survey puts Census Tract 6115.01's population at 3,703 (±546) in 1,710 households; the 2020 Census counted 4,242 residents and 1,832 housing units.
| Measure | Tract 6115.01 | Dulles Town Center |
|---|---|---|
| Total population | 3,703 ±546 | 5,464 |
| Households | 1,710 ±148 | 2,249 |
| Average household size | 2.17 ±0.26 | 2.43 |
| Housing units | 1,779 ±164 | 2,318 |
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 6115.01?
The median resident of Census Tract 6115.01 is 33.8 years old; 24.4% are under 18 and 4.6% are 65 or older. The largest group is non-Hispanic white residents at 26.0%, then non-Hispanic Asian residents at 25.7%. 52.4% of residents were born outside the United States.
| Measure | Tract 6115.01 | Dulles Town Center |
|---|---|---|
| Median age | 33.8 ±4.2 | 35.7 |
| Under 18 years | 24.4% ±5.7 pts | 26.2% |
| 65 years and over | 4.6% ±2.5 pts | 6.6% |
| Hispanic or Latino (any race) | 19.0% ±16.3 pts | 16.1% |
| White alone, not Hispanic | 26.0% ±6.1 pts | 27.3% |
| Black or African American alone, not Hispanic | 15.4% ±8.2 pts | 16.0% |
| Asian alone, not Hispanic | 25.7% ±13.7 pts | 30.3% |
| American Indian and Alaska Native alone, not Hispanic | 0.5% ±0.7 pts | 0.3% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±1.1 pts | 0.0% |
| Two or more races, not Hispanic | 6.7% ±5.9 pts | 5.4% |
| Some other race alone, not Hispanic | 6.7% ±8.2 pts | 4.6% |
| Born outside the United States | 52.4% ±9.1 pts | 47.9% |
| Speak a language other than English at home (age 5+) | 54.5% ±10.4 pts | 51.6% |
| Civilian veterans (age 18+) | 15.3% ±9.5 pts | 11.8% |
| With a disability | 9.2% ±8.0 pts | 8.0% |
| No health insurance coverage | 7.7% ±4.2 pts | 5.7% |
| High school graduate or higher (age 25+) | 97.1% ±2.9 pts | 96.2% |
| Bachelor's degree or higher (age 25+) | 58.0% ±9.7 pts | 61.0% |
| Graduate or professional degree (age 25+) | 15.2% ±6.6 pts | 17.0% |
| Lived in the same house a year earlier | 75.4% ±10.0 pts | 80.7% |
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 6115.01 earn?
Half of the 1,710 households in Census Tract 6115.01 earn less than $117,719 a year (±$30,841), against $181,765 across Loudoun County: 68th highest of the county's 74 tracts with a reliable estimate. 2.6% of residents live below the poverty line.
| Measure | Tract 6115.01 | Dulles Town Center |
|---|---|---|
| Median household income | $117,719 ±$30,841 | $125,941 |
| Mean household income | $114,677 ±$17,502 | $130,070 |
| Per capita income | $53,359 ±$12,149 | $54,654 |
| People below the poverty line | 2.6% ±1.6 pts | 4.6% |
| Children under 18 below the poverty line | 1.2% ±1.4 pts | 4.8% |
| Households receiving SNAP | 16.4% ±10.6 pts | 12.9% |
| Households with a computer | 99.4% ±0.8 pts | 99.1% |
| Households with a broadband subscription | 94.5% ±8.8 pts | 94.8% |
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 6115.01?
The median owner-occupied home is valued at $618,900 by its owner (±$10,803). The median renter pays $2,363 a month including utilities, and 30.1% of renters pay 35% or more of their income on rent.
| Measure | Tract 6115.01 | Dulles Town Center |
|---|---|---|
| Median home value (owner-occupied) | $618,900 ±$10,803 | $606,500 |
| Median gross rent | $2,363 ±$325 | $2,393 |
| Renters paying 35% or more of income on rent | 30.1% ±16.4 pts | 30.7% |
| Median monthly owner costs, with a mortgage | $2,617 ±$640 | $2,616 |
| Owner-occupied homes | 10.0% ±7.2 pts | 30.0% |
| Renter-occupied homes | 90.0% ±7.2 pts | 70.0% |
| Housing units | 1,779 ±164 | 2,318 |
| Single-family detached homes | 2.9% ±3.0 pts | 13.3% |
| Mobile homes | 0.0% ±2.2 pts | 0.0% |
| Built 2020 or later | 4.6% ±8.5 pts | 3.5% |
| Built 2010 to 2019 | 24.4% ±6.8 pts | 21.6% |
| Built 1939 or earlier | 0.0% ±2.2 pts | 0.2% |
| Households with no vehicle | 2.4% ±2.1 pts | 2.3% |
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 6115.01 get to work?
71.9% of Census Tract 6115.01's workers drive alone and 14.5% work from home. The average trip to work takes 28.1 minutes.
| Measure | Tract 6115.01 | Dulles Town Center |
|---|---|---|
| In the labor force (age 16+) | 88.5% ±4.7 pts | 85.1% |
| Unemployment rate | 7.1% ±4.7 pts | 6.3% |
| Drove alone to work | 71.9% ±8.2 pts | 69.0% |
| Carpooled | 12.4% ±7.4 pts | 13.9% |
| Public transportation | 0.0% ±1.7 pts | 0.0% |
| Walked | 0.5% ±0.6 pts | 0.8% |
| Worked from home | 14.5% ±6.2 pts | 15.8% |
| Mean travel time to work | 28.1 min ±7.9 | 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 6115.01 compare with the other tracts in Loudoun County?
Among Loudoun County's tracts with a reliable estimate, Census Tract 6115.01 ranks as shown below (1 = highest).
| Measure | In Loudoun County |
|---|---|
| Population | 64th of 74 |
| Residents per square mile | 39th of 75 |
| Median household income | 68th of 74 |
| Per capita income | 66th of 74 |
| Median home value | 59th of 74 |
| Median gross rent | 44th of 67 |
| Poverty rate | 16th of 18 |
| Bachelor's degree or higher | 56th of 74 |
| Median age | 66th of 74 |
The tracts next to it on Loudoun County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 6111.01 | 65th | $127,723±$29,975 · within the margin of this tract |
| Tract 6110.02 | 66th | $126,432±$13,951 · within the margin of this tract |
| Tract 6110.32 | 67th | $124,479±$29,002 · within the margin of this tract |
| Tract 6115.01 | 68th | $117,719±$30,841 |
| Tract 6105.04 | 69th | $111,029±$23,981 · within the margin of this tract |
| Tract 6116.02 | 70th | $95,341±$9,319 · within the margin of this tract |
| Tract 6110.18 | 71st | $93,315±$22,849 · 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 6115.01?
2 of the 18 figures for Census Tract 6115.01 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