Census tract · Fairfax County
Census Tract 4203, Fairfax County, Virginia
Census Tract 4203, GEOID 51059420300, in Fairfax County, Virginia, entirely within Rose Hill (Fairfax County). 6,520 residents in the ACS 2020-2024 5-year estimates (±643); the 2020 Census counted 6,184.
Residents, 2020-2024
6,520
±643 (90% margin)
2020 Census count: 6,184
Median household income
$195,488
±$28,418 (90% margin)
Fairfax County: $153,637
Median home value
$692,700
±$49,226 (90% margin)
Fairfax County: $732,800
Median gross rent
$3,081
±$508 (90% margin)
Fairfax County: $2,276
Where is Census Tract 4203?
Census Tract 4203 is one of 274 census tracts in Fairfax County, Virginia. It covers 1.77 square miles of land, 3,494 residents per square mile in 2020. Its GEOID, 51059420300, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Rose Hill (Fairfax County) | 100% |
9 census tracts border Census Tract 4203: Tract 4202.03 ($199,038), Tract 4204 ($87,766), Tract 4205.03 ($92,824), Tract 4206 ($121,316), Tract 4207 ($195,387), Tract 4223.01 ($156,107), Tract 2004.03 in Alexandria city ($157,500), Tract 2006 in Alexandria city ($131,842) and Tract 2007.01 in Alexandria city ($134,250). 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 4203?
The 2020-2024 American Community Survey puts Census Tract 4203's population at 6,520 (±643) in 2,152 households; the 2020 Census counted 6,184 residents and 2,165 housing units.
| Measure | Tract 4203 | Rose Hill (Fairfax County) |
|---|---|---|
| Total population | 6,520 ±643 | 21,066 |
| Households | 2,152 ±244 | 7,088 |
| Average household size | 3.03 ±0.23 | 2.97 |
| Housing units | 2,179 ±241 | 7,295 |
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 4203?
The median resident of Census Tract 4203 is 38.8 years old; 24.3% are under 18 and 11.1% are 65 or older. The largest group is non-Hispanic white residents at 64.0%, then Hispanic or Latino residents (of any race) at 24.3%. 18.8% of residents were born outside the United States.
| Measure | Tract 4203 | Rose Hill (Fairfax County) |
|---|---|---|
| Median age | 38.8 ±3.9 | 39.4 |
| Under 18 years | 24.3% ±3.8 pts | 25.6% |
| 65 years and over | 11.1% ±2.1 pts | 14.6% |
| Hispanic or Latino (any race) | 24.3% ±6.1 pts | 22.4% |
| White alone, not Hispanic | 64.0% ±7.5 pts | 52.5% |
| Black or African American alone, not Hispanic | 3.2% ±2.7 pts | 7.3% |
| Asian alone, not Hispanic | 3.7% ±2.4 pts | 11.2% |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±0.6 pts | 0.0% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.6 pts | 0.0% |
| Two or more races, not Hispanic | 4.8% ±2.9 pts | 5.6% |
| Some other race alone, not Hispanic | 0.0% ±0.6 pts | 1.0% |
| Born outside the United States | 18.8% ±6.5 pts | 22.4% |
| Speak a language other than English at home (age 5+) | 33.3% ±8.4 pts | 33.8% |
| Civilian veterans (age 18+) | 10.3% ±4.5 pts | 11.6% |
| With a disability | 13.0% ±3.3 pts | 10.5% |
| No health insurance coverage | 4.4% ±3.2 pts | 6.0% |
| High school graduate or higher (age 25+) | 95.1% ±2.9 pts | 93.5% |
| Bachelor's degree or higher (age 25+) | 66.8% ±6.9 pts | 61.8% |
| Graduate or professional degree (age 25+) | 34.9% ±8.9 pts | 32.6% |
| Lived in the same house a year earlier | 89.2% ±4.7 pts | 88.2% |
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 Census Tract 4203 earn?
Half of the 2,152 households in Census Tract 4203 earn less than $195,488 a year (±$28,418), against $153,637 across Fairfax County: 83rd highest of the county's 270 tracts with a reliable estimate.
| Measure | Tract 4203 | Rose Hill (Fairfax County) |
|---|---|---|
| Median household income | $195,488 ±$28,418 | $174,950 |
| Mean household income | $207,531 ±$25,538 | $197,053 |
| Per capita income | $69,149 ±$10,485 | $67,189 |
| People below the poverty line | 2.4% ±2.0 pts | 2.6% |
| Children under 18 below the poverty line | 1.6% ±2.7 pts | 2.0% |
| Households receiving SNAP | 0.6% ±0.9 pts | 2.2% |
| Households with a computer | 97.8% ±2.3 pts | 98.7% |
| Households with a broadband subscription | 97.9% ±2.4 pts | 97.0% |
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 4203?
Owners occupy 88.2% of Census Tract 4203's occupied homes and renters 11.8%. The median owner-occupied home is valued at $692,700 by its owner (±$49,226). The median renter pays $3,081 a month including utilities.
| Measure | Tract 4203 | Rose Hill (Fairfax County) |
|---|---|---|
| Median home value (owner-occupied) | $692,700 ±$49,226 | $687,600 |
| Median gross rent | $3,081 ±$508 | $2,475 |
| Renters paying 35% or more of income on rent | 16.5% ±18.5 pts | 30.6% |
| Median monthly owner costs, with a mortgage | $3,454 ±$253 | $3,309 |
| Owner-occupied homes | 88.2% ±6.4 pts | 80.5% |
| Renter-occupied homes | 11.8% ±6.4 pts | 19.5% |
| Housing units | 2,179 ±241 | 7,295 |
| Single-family detached homes | 78.3% ±5.6 pts | 73.2% |
| Mobile homes | 0.0% ±1.8 pts | 0.0% |
| Built 2020 or later | 1.7% ±2.1 pts | 1.7% |
| Built 2010 to 2019 | 2.2% ±2.4 pts | 3.6% |
| Built 1939 or earlier | 1.7% ±2.3 pts | 2.3% |
| Households with no vehicle | 1.3% ±1.6 pts | 2.4% |
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 4203 get to work?
52.5% of Census Tract 4203's workers drive alone and 24.8% work from home. The average trip to work takes 34.4 minutes.
| Measure | Tract 4203 | Rose Hill (Fairfax County) |
|---|---|---|
| In the labor force (age 16+) | 74.9% ±3.6 pts | 71.9% |
| Unemployment rate | 3.0% ±2.1 pts | 2.7% |
| Drove alone to work | 52.5% ±9.0 pts | 55.2% |
| Carpooled | 9.1% ±4.8 pts | 7.5% |
| Public transportation | 10.6% ±10.1 pts | 7.0% |
| Walked | 0.6% ±1.0 pts | 0.9% |
| Worked from home | 24.8% ±7.4 pts | 28.1% |
| Mean travel time to work | 34.4 min ±3.7 | 33.3 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 4203 compare with the other tracts in Fairfax County?
Among Fairfax County's tracts with a reliable estimate, Census Tract 4203 ranks as shown below (1 = highest).
| Measure | In Fairfax County | In Rose Hill (Fairfax County) |
|---|---|---|
| Population | 26th of 271 | 1st of 6 |
| Residents per square mile | 189th of 274 | 5th of 6 |
| Median household income | 83rd of 270 | 3rd of 6 |
| Per capita income | 143rd of 271 | 4th of 6 |
| Median home value | 127th of 263 | 4th of 6 |
| Median gross rent | 55th of 248 | 2nd of 5 |
| Bachelor's degree or higher | 147th of 270 | 4th of 6 |
| Median age | 166th of 271 | 5th of 6 |
| Owner-occupied share | 93rd of 266 | 3rd of 6 |
The tracts next to it on Fairfax County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 4313 | 80th | $196,857±$10,752 · within the margin of this tract |
| Tract 4805.02 | 81st | $196,652±$21,681 · within the margin of this tract |
| Tract 4511 | 82nd | $195,556±$44,890 · within the margin of this tract |
| Tract 4203 | 83rd | $195,488±$28,418 |
| Tract 4207 | 84th | $195,387±$20,400 · within the margin of this tract |
| Tract 4325 | 85th | $195,000±$27,507 · within the margin of this tract |
| Tract 4326 | 86th | $194,508±$12,106 · 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 4203?
2 of the 18 figures for Census Tract 4203 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