Town · Virginia
Herndon, Virginia
Herndon, town, in Fairfax County, Virginia. Herndon had 25,506 residents on July 1, 2025 by the Census Bureau's estimate, up 3.5% since 2020; the 2020 Census counted 24,655 and the ACS 2020-2024 5-year estimates put it at 24,672 (±39). GEOID 5136648.
Residents, July 2025 estimate
25,506
Census Bureau estimate (no margin published)
2020 Census count: 24,655 · ACS 2020-2024: 24,672 ±39
Median household income
$148,000
±$18,469 (90% margin)
Virginia: $93,170
Median home value
$599,100
±$23,806 (90% margin)
Virginia: $383,700
Median gross rent
$2,259
±$80 (90% margin)
Virginia: $1,579
Where is Herndon and what county is it in?
Herndon is a town in Fairfax County, Virginia. It covers 4.3 square miles of land, 5,752 residents per square mile in 2020.
Herndon is in the Washington-Arlington-Alexandria, DC-VA-MD-WV metropolitan statistical area, which takes in 23 counties (Census Bureau delineation, July 2023).
| County | 2020 residents | Share |
|---|---|---|
| Fairfax County | 24,655 | 100.0% |
| Loudoun County | land only, no residents | – |
Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files
How many people live in Herndon, and is it growing?
The Census Bureau estimates that 25,506 people lived in Herndon on July 1, 2025, up 3.5% since 2020, faster than Virginia (+2.9%). The 2020 Census counted 24,655 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 24,672 (±39).
| Measure | Herndon | Fairfax County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 24,672 ±39 | 1,147,837 | +140 |
| Households | 7,796 ±360 | 414,101 | no clear change |
| Average household size | 3.16 ±0.15 | 2.75 | no clear change |
| Housing units | 8,076 ±363 | 430,047 | no clear change |
Herndon's population since 2000
From 21,655 in 2000 to 25,506 in 2025: up 17.8%. The 2000, 2010 and 2020 figures are census counts, each for Herndon as it was drawn that year: a place that annexed land, or a community that has since incorporated, covered a different area then. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census PEP Vintage 2025 (SUB-EST2025, CO-EST2025); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Herndon?
The median resident of Herndon is 35.1 years old; 23.2% are under 18 and 9.9% are 65 or older. The largest group is non-Hispanic white residents at 36.0%, then Hispanic or Latino residents (of any race) at 34.6%. 42.2% of residents were born outside the United States.
| Measure | Herndon | Fairfax County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 35.1 ±1.2 | 39.1 | no clear change |
| Under 18 years | 23.2% ±2.3 pts | 22.9% | – |
| 65 years and over | 9.9% ±1.1 pts | 15.0% | – |
| Male | 51.8% ±1.8 pts | 49.9% | – |
| Hispanic or Latino (any race) | 34.6% ±5.2 pts | 17.6% | no clear change |
| White alone, not Hispanic | 36.0% ±4.7 pts | 46.8% | no clear change |
| Black or African American alone, not Hispanic | 8.1% ±2.8 pts | 9.4% | no clear change |
| Asian alone, not Hispanic | 16.1% ±3.1 pts | 19.9% | no clear change |
| American Indian and Alaska Native alone, not Hispanic | 0.1% ±0.1 pts | 0.1% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.2 pts | 0.0% | – |
| Two or more races, not Hispanic | 5.0% ±1.6 pts | 5.4% | – |
| Some other race alone, not Hispanic | 0.1% ±0.1 pts | 0.8% | – |
| Born outside the United States | 42.2% ±3.6 pts | 30.8% | no clear change |
| Speak a language other than English at home (age 5+) | 51.3% ±4.9 pts | 39.0% | – |
| Civilian veterans (age 18+) | 5.4% ±1.2 pts | 7.5% | – |
| With a disability | 7.9% ±1.4 pts | 8.0% | – |
| No health insurance coverage | 16.9% ±4.1 pts | 7.1% | no clear change |
| High school graduate or higher (age 25+) | 85.3% ±3.3 pts | 93.2% | – |
| Bachelor's degree or higher (age 25+) | 53.2% ±4.4 pts | 65.0% | no clear change |
| Graduate or professional degree (age 25+) | 22.8% ±2.9 pts | 33.0% | – |
| Lived in the same house a year earlier | 83.6% ±3.5 pts | 87.0% | – |
| Moved from another state in the past year | 3.7% ±1.4 pts | 3.2% | – |
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 Herndon earn?
Half of Herndon's 7,796 households earn less than $148,000 a year (±$18,469), against $153,637 in Fairfax County and $93,170 in Virginia. In 2015-2019 it was $137,064 in 2024 dollars; the margins of error cannot tell the two periods apart. 8.1% of residents live below the poverty line.
| Measure | Herndon | Fairfax County | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $148,000 ±$18,469 | $153,637 | no clear change |
| Mean household income | $178,714 ±$9,540 | $195,941 | – |
| Per capita income | $57,984 ±$3,986 | $71,828 | no clear change |
| People below the poverty line | 8.1% ±2.7 pts | 5.9% | no clear change |
| Children under 18 below the poverty line | 11.0% ±6.6 pts | 7.2% | no clear change |
| Households receiving SNAP | 6.2% ±2.0 pts | 4.3% | – |
| Households with a computer | 99.2% ±0.4 pts | 98.4% | – |
| Households with a broadband subscription | 96.0% ±1.9 pts | 96.4% | – |
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 Herndon?
Owners occupy 62.1% of Herndon's occupied homes and renters 37.9%. The median owner-occupied home is valued at $599,100 by its owner (±$23,806). The median renter pays $2,259 a month including utilities, and 23.7% of renters pay 35% or more of their income on rent.
| Measure | Herndon | Fairfax County | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $599,100 ±$23,806 | $732,800 | +$54,272 |
| Median gross rent | $2,259 ±$80 | $2,276 | no clear change |
| Renters paying 35% or more of income on rent | 23.7% ±5.4 pts | 36.3% | −14.0 pts |
| Median monthly owner costs, with a mortgage | $2,911 ±$126 | $3,227 | – |
| Owner-occupied homes | 62.1% ±3.9 pts | 68.6% | no clear change |
| Renter-occupied homes | 37.9% ±3.9 pts | 31.4% | – |
| Housing units | 8,076 ±363 | 430,047 | no clear change |
| Homeowner vacancy rate | 0.0% ±0.8 pts | 0.4% | – |
| Rental vacancy rate | 5.5% ±3.6 pts | 4.4% | – |
| Single-family detached homes | 43.7% ±3.5 pts | 45.5% | – |
| Mobile homes | 0.0% ±0.5 pts | 0.5% | – |
| Built 2020 or later | 0.8% ±0.6 pts | 1.3% | – |
| Built 2010 to 2019 | 5.2% ±1.8 pts | 7.2% | – |
| Built 1939 or earlier | 2.3% ±0.9 pts | 1.1% | – |
| Households with no vehicle | 3.8% ±1.5 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 many new homes is Herndon building?
Builders took permits for 399 new housing units in Herndon in 2025 (0 in single-family houses), 15.6 per 1,000 residents against 3.7 across Virginia.
Counts of units in permits a local office issued; not every permitted unit is built. A year marked with months was reported for part of the year.
Source: Building Permits Survey, annual place files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Herndon work and get to work?
55.8% of Herndon's workers drive alone and 21.2% work from home. The average trip to work takes 27.5 minutes. The unemployment rate in 2020-2024 averaged 4.1%.
| Measure | Herndon | Fairfax County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 76.4% ±2.1 pts | 70.8% | – |
| Unemployment rate | 4.1% ±1.3 pts | 4.2% | no clear change |
| Drove alone to work | 55.8% ±3.8 pts | 55.4% | – |
| Carpooled | 14.1% ±3.6 pts | 7.7% | – |
| Public transportation | 3.6% ±1.3 pts | 4.7% | – |
| Walked | 1.9% ±0.9 pts | 1.7% | – |
| Worked from home | 21.2% ±3.3 pts | 28.7% | +15.3 pts |
| Mean travel time to work | 27.5 min ±1.6 | 28.9 min | no clear change |
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 census tracts are in Herndon?
5 census tracts lie mostly in Herndon, and 1 more reaches into it (2020 census blocks). Their median household incomes run from $107,222 (Tract 4809.03) to $184,375 (Tract 4809.02).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 4808.01Fairfax County | 6,615 | $177,083 |
| Tract 4809.01Fairfax County | 6,310 | $146,667 |
| Tract 4809.02Fairfax County | 4,005 | $184,375 |
| Tract 4808.02Fairfax County | 3,716 | $149,167 |
| Tract 4809.03Fairfax County | 4,026 | $107,222 |
| Tract 6117.02Loudoun County | 2,417 | $174,183 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files (tract share = share of the tract's census blocks in Herndon) · Census block assignment files
How does Herndon compare with other places in Virginia?
By the Census Bureau's July 2025 estimates, Herndon is the 1,579th-most populous of the 19,476 U.S. incorporated places that have one and the 24th-most populous of 227 in Virginia.
Herndon ranks 71st of 365 places in Virginia with 1,000 or more residents and a reliable estimate, by median household income.
| Measure | Rank | Of |
|---|---|---|
| Population, July 2025 estimate | 24th | 227 |
| Growth 2020-2025 (PEP) | 44th | 139 |
| Residents per square mile | 25th | 374 |
| Median household income | 71st | 365 |
| Per capita income | 107th | 374 |
| Median home value | 87th | 359 |
| Median gross rent | 74th | 341 |
| Poverty rate | 156th | 263 |
| Bachelor's degree or higher | 110th | 359 |
| Median age | 301st | 372 |
| Owner-occupied share | 240th | 368 |
| Work from home | 119th | 286 |
| Travel time to work | 159th | 372 |
Herndon's figures with every place in Virginia (CSV)
Every place in Virginia, sortable · Compare Herndon with other places
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How reliable are the figures for Herndon?
6 of the 57 figures for Herndon 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.
The American Community Survey samples about one household in eight over five years, so every figure is an estimate with a 90% margin of error (shown under each value). A ring marks an estimate whose coefficient of variation is over 40%. A change is called only when the gap between the two periods is larger than their combined 90% margin (the square root of the sum of the two squared margins), the Census Bureau's test. 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 · ACS technical documentation
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Herndon are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' public schools in Herndon.