What kinds of homes are in One Loudoun, VA?

Name: Types of homes in One Loudoun, VA, 2020–2024
Creator: US Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

One Loudoun, VA has 1,197 (±172) homes (2020–2024 American Community Survey).

That is about 1,888 homes per square mile of land.

34.2% are detached single-family houses.

0.8% are in buildings of two to four units.

23.6% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 1,197 (±172)
Detached houses: 34.2%
2–4 unit buildings: 0.8%
5+ unit buildings: 23.6%

Homes in One Loudoun by building size

Housing units by units in structure, 2020–2024
Building type	One Loudoun	Loudoun County	Virginia	United States
Single-family, detached	34.2% (±9.0 points)	51.4%	61.3%	61.3%
Single-family, attached (townhouse, rowhouse)	41.4% (±9.5 points)	31.0%	11.3%	6.2%
2 units	0.8% (±1.3 points)	0.6%	1.6%	3.4%
3 or 4 units	0.0% (±3.3 points)	1.0%	2.9%	4.3%
5 to 9 units	0.0% (±3.3 points)	2.4%	4.4%	4.5%
10 to 19 units	3.3% (±3.6 points)	6.3%	5.2%	4.3%
20 or more units	20.3% (±7.5 points)	6.8%	8.9%	10.3%
Mobile home	0.0% (±3.3 points)	0.5%	4.3%	5.6%
Boat, RV, van, etc.	0.0% (±3.3 points)	0.0%	0.0%	0.1%

In One Loudoun, the share of homes in buildings of five or more units is not measurably different from Loudoun County (15.5%).

It is not measurably different from Virginia (18.5%).

It is not measurably different from the national figure (19.1%).

Homes in buildings of 5 or more units in places near One Loudoun

Nearest places with a published estimate, compared with One Loudoun
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
One Loudoun	—	23.6% (±8.9 points)	—
University Center	1.0 mi	69.0% (±15.6 points)	Higher
Kincora	1.3 mi	68.9% (±16.1 points)	Higher
Ashburn	1.8 mi	30.6% (±2.5 points)	Not measurably different
Countryside	2.3 mi	19.3% (±4.8 points)	Not measurably different
Belmont	2.6 mi	4.3% (±2.4 points)	Lower
Lansdowne	2.9 mi	40.3% (±5.1 points)	Higher
Dulles Town Center	2.9 mi	60.7% (±17.8 points)	Higher
Cascades	3.7 mi	21.7% (±4.6 points)	Not measurably different

Nearby places with a measurably lower figure: Belmont, VA (4.3%).

Nearby places with a measurably higher figure: University Center, VA (69.0%), Kincora, VA (68.9%), Lansdowne, VA (40.3%).

Distance is measured in a straight line between the Census Bureau’s internal points for each place.

Homes in buildings of 5 or more units across Loudoun County, place by place

Rank	Place	Homes in buildings of 5 or more units
3	Dulles Town Center	60.7% (±17.8 points)
4	Lansdowne	40.3% (±5.1 points)
5	Arcola	35.7% (±12.4 points)
6	Ashburn	30.6% (±2.5 points)
7	Goose Creek Village	29.1% (±14.1 points)
8	Leesburg	24.5% (±2.8 points)
9 (tie)	One Loudoun	23.6% (±8.9 points)
9 (tie)	Round Hill	23.6% (±28.4 points)
11	Cascades	21.7% (±4.6 points)
12	Countryside	19.3% (±4.8 points)
13	Broadlands	14.6% (±4.4 points)
14	Sterling	14.4% (±3.0 points)
15	Moorefield	13.2% (±5.4 points)

Showing 13 of 28 places in Loudoun County, ranked from highest to lowest.

One Loudoun is a census-designated place: an unincorporated community the Census Bureau draws for statistics, with no municipal government of its own.

Survey years: 2020–2024 (American Community Survey 5-year estimates).

Margins of error are at the 90% confidence level.

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Questions about One Loudoun

How many homes are in One Loudoun?

One Loudoun, VA has an estimated 1,197 (±172) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in One Loudoun houses or apartments?

34.2% are detached houses and 41.4% attached houses, while 24.4% are in buildings of two or more units.

How many two-family and small multifamily homes are in One Loudoun?

0.8% of homes in One Loudoun are in buildings of two to four units, the small rental buildings that are often owner-occupied.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — One Loudoun CDP, Virginia

To check these figures in the Census Bureau’s own API, request the variables below from the 2024 ACS 5-year data profile (acs/acs5/profile) for One Loudoun CDP, Virginia (place:59364, in state:51).

Each estimate (E or PE) has a margin of error beside it (M or PM).

The API needs a free key.

Request a Census API key.

DP04_0001E, DP04_0001M, DP04_0007PE, DP04_0007PM, DP04_0008PE, DP04_0008PM, DP04_0009PE, DP04_0009PM, DP04_0010PE, DP04_0010PM, DP04_0011PE, DP04_0011PM, DP04_0012PE, DP04_0012PM, DP04_0013PE, DP04_0013PM, DP04_0014PE, DP04_0014PM, DP04_0015PE, DP04_0015PM

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Figures are published by the US Census Bureau, HUD, the Bureau of Labor Statistics and the FBI; Seayora reproduces them and does not adjust them, except where a sentence says it compares dollar figures after inflation. They describe the whole place, not any one building or street, and are not an appraisal, a rent determination, a tax bill, a safety rating or legal advice.