Census tract · Loudoun County
Census Tract 6104, Loudoun County, Virginia
Census Tract 6104, GEOID 51107610400, in Loudoun County, Virginia, mostly within Leesburg (68% of its census blocks). 4,583 residents in the ACS 2020-2024 5-year estimates (±594); the 2020 Census counted 4,695.
Residents, 2020-2024
4,583
±594 (90% margin)
2020 Census count: 4,695
Median household income
$165,234
±$27,204 (90% margin)
Loudoun County: $181,765
Median home value
$714,600
±$50,303 (90% margin)
Loudoun County: $743,800
Median gross rent
$2,484
±$411 (90% margin)
Loudoun County: $2,386
Where is Census Tract 6104?
Census Tract 6104 is one of 75 census tracts in Loudoun County, Virginia. It covers 4.92 square miles of land, 954 residents per square mile in 2020. Its GEOID, 51107610400, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Leesburg | 68% |
6 census tracts border Census Tract 6104: Tract 6103 ($227,727), Tract 6105.03 ($202,077), Tract 6105.04 ($111,029), Tract 6105.05 ($85,616), Tract 6106.01 ($176,977) and Tract 6107.03 ($187,083). 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 6104?
The 2020-2024 American Community Survey puts Census Tract 6104's population at 4,583 (±594) in 1,591 households; the 2020 Census counted 4,695 residents and 1,703 housing units.
| Measure | Tract 6104 | Leesburg |
|---|---|---|
| Total population | 4,583 ±594 | 49,171 |
| Households | 1,591 ±146 | 16,660 |
| Average household size | 2.71 ±0.27 | 2.93 |
| Housing units | 1,591 ±146 | 17,155 |
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 6104?
The median resident of Census Tract 6104 is 40.9 years old; 25.2% are under 18 and 17.5% are 65 or older. The largest group is non-Hispanic white residents at 71.3%, then Hispanic or Latino residents (of any race) at 16.6%. 7.7% of residents were born outside the United States.
| Measure | Tract 6104 | Leesburg |
|---|---|---|
| Median age | 40.9 ±5.6 | 36.1 |
| Under 18 years | 25.2% ±6.0 pts | 25.7% |
| 65 years and over | 17.5% ±3.0 pts | 10.6% |
| Hispanic or Latino (any race) | 16.6% ±8.3 pts | 20.7% |
| White alone, not Hispanic | 71.3% ±8.1 pts | 54.1% |
| Black or African American alone, not Hispanic | 5.0% ±2.6 pts | 8.6% |
| Asian alone, not Hispanic | 2.2% ±2.2 pts | 11.3% |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±0.9 pts | 0.0% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.9 pts | 0.0% |
| Two or more races, not Hispanic | 4.1% ±2.0 pts | 4.7% |
| Some other race alone, not Hispanic | 0.8% ±1.2 pts | 0.5% |
| Born outside the United States | 7.7% ±4.3 pts | 21.6% |
| Speak a language other than English at home (age 5+) | 13.1% ±7.3 pts | 30.9% |
| Civilian veterans (age 18+) | 9.8% ±2.6 pts | 5.4% |
| With a disability | 11.3% ±4.0 pts | 9.0% |
| No health insurance coverage | 6.0% ±4.5 pts | 8.4% |
| High school graduate or higher (age 25+) | 95.7% ±2.4 pts | 91.6% |
| Bachelor's degree or higher (age 25+) | 64.3% ±6.9 pts | 56.7% |
| Graduate or professional degree (age 25+) | 24.1% ±4.9 pts | 23.7% |
| Lived in the same house a year earlier | 81.8% ±6.1 pts | 90.3% |
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 6104 earn?
Half of the 1,591 households in Census Tract 6104 earn less than $165,234 a year (±$27,204), against $181,765 across Loudoun County: 47th highest of the county's 74 tracts with a reliable estimate.
| Measure | Tract 6104 | Leesburg |
|---|---|---|
| Median household income | $165,234 ±$27,204 | $145,205 |
| Mean household income | $212,504 ±$27,375 | $177,274 |
| Per capita income | $75,061 ±$10,367 | $61,175 |
| People below the poverty line | 5.7% ±4.6 pts | 6.6% |
| Children under 18 below the poverty line | 8.0% ±10.8 pts | 7.6% |
| Households receiving SNAP | 0.7% ±1.1 pts | 4.0% |
| Households with a computer | 98.9% ±1.4 pts | 98.0% |
| Households with a broadband subscription | 97.4% ±2.0 pts | 96.1% |
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 6104?
Owners occupy 76.5% of Census Tract 6104's occupied homes and renters 23.5%. The median owner-occupied home is valued at $714,600 by its owner (±$50,303). The median renter pays $2,484 a month including utilities, and 32.9% of renters pay 35% or more of their income on rent.
| Measure | Tract 6104 | Leesburg |
|---|---|---|
| Median home value (owner-occupied) | $714,600 ±$50,303 | $667,800 |
| Median gross rent | $2,484 ±$411 | $2,105 |
| Renters paying 35% or more of income on rent | 32.9% ±16.2 pts | 41.7% |
| Median monthly owner costs, with a mortgage | $3,216 ±$236 | $3,062 |
| Owner-occupied homes | 76.5% ±5.3 pts | 68.9% |
| Renter-occupied homes | 23.5% ±5.3 pts | 31.1% |
| Housing units | 1,591 ±146 | 17,155 |
| Single-family detached homes | 70.3% ±5.7 pts | 43.0% |
| Mobile homes | 0.0% ±2.5 pts | 1.6% |
| Built 2020 or later | 0.0% ±2.5 pts | 2.3% |
| Built 2010 to 2019 | 7.3% ±4.9 pts | 11.1% |
| Built 1939 or earlier | 14.0% ±4.8 pts | 2.2% |
| Households with no vehicle | 9.2% ±5.1 pts | 3.0% |
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 6104 get to work?
53.2% of Census Tract 6104's workers drive alone and 32.4% work from home. The average trip to work takes 24.6 minutes.
| Measure | Tract 6104 | Leesburg |
|---|---|---|
| In the labor force (age 16+) | 71.0% ±4.8 pts | 76.0% |
| Unemployment rate | 2.8% ±2.3 pts | 2.8% |
| Drove alone to work | 53.2% ±7.5 pts | 63.5% |
| Carpooled | 4.3% ±3.7 pts | 5.0% |
| Public transportation | 1.1% ±1.0 pts | 0.9% |
| Walked | 5.8% ±6.3 pts | 1.8% |
| Worked from home | 32.4% ±6.2 pts | 27.7% |
| Mean travel time to work | 24.6 min ±3.2 | 25.3 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 6104 compare with the other tracts in Loudoun County?
Among Loudoun County's tracts with a reliable estimate, Census Tract 6104 ranks as shown below (1 = highest).
| Measure | In Loudoun County | In Leesburg |
|---|---|---|
| Population | 55th of 74 | 7th of 9 |
| Residents per square mile | 61st of 75 | 8th of 9 |
| Median household income | 47th of 74 | 5th of 9 |
| Per capita income | 35th of 74 | 3rd of 9 |
| Median home value | 36th of 74 | 4th of 9 |
| Median gross rent | 40th of 67 | 3rd of 8 |
| Bachelor's degree or higher | 41st of 74 | 4th of 9 |
| Median age | 19th of 74 | 1st of 9 |
| Owner-occupied share | 46th of 73 | 4th of 9 |
The tracts next to it on Loudoun County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 6118.08 | 44th | $167,165±$40,337 · within the margin of this tract |
| Tract 6118.12 | 45th | $166,288±$50,311 · within the margin of this tract |
| Tract 6110.17 | 46th | $166,250±$31,608 · within the margin of this tract |
| Tract 6104 | 47th | $165,234±$27,204 |
| Tract 6112.04 | 48th | $162,375±$9,698 · within the margin of this tract |
| Tract 6110.15 | 49th | $159,659±$49,583 · within the margin of this tract |
| Tract 6107.02 | 50th | $158,614±$17,701 · 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 6104?
2 of the 18 figures for Census Tract 6104 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