Loudoun County, VA demographics:
population, income, and more

Total population
432,998
1.4% year-over-year change
Median household income
$181,765/yr
1.7% year-over-year change
Housing units
147,003
1.5% year-over-year change

Loudoun County population

How many people live in Loudoun County

Loudoun County is home to 432,998 residents, according to the most recent Census data. Gender-wise, 50.1% of Loudoun County locals are male, and 49.9% are female.

Total population
432,998
1.4% year-over-year change
Gender ratio
Male
50.1%
216,777
Female
49.9%
216,221
Value Percent YoY change
Male 216,777 50.1% 1.4%
Female 216,221 49.9% 1.3%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Loudoun County is 38, with the population distributed as follows: about 21.6% are children under 15, then 12.8% are in the 15 to 24 age group. Adults between 25 and 44 make up 27.7% of the population, while another 27.1% fall into the 45 to 64 bracket. Finally, around 10.8% are 65 or older.

Median age
38.2
Age breakdown
Under 15
21.6%
15 to 24
12.8%
25 to 44
27.7%
45 to 64
27.1%
Over 65
10.8%
Value Percent YoY change
Under 15 93,722 21.6% -1.0%
15 to 24 55,296 12.8% 2.5%
25 to 44 119,767 27.7% 0.3%
45 to 64 117,319 27.1% 2.2%
Over 65 46,894 10.8% 5.9%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Loudoun County, 70% of the population are US-born citizens, while 19.8% have gained naturalized citizenship. At the same time, 10.2% of residents are non-citizens. As for race, 52.7% of locals are Caucasian, 7.7% are African American and 21.8% have Asian roots. There’s also a share of 12.6% that includes residents with two or more races.

Citizenship
U.S.-born citizens
70%
Non-U.S.-born citizens
19.8%
Non-citizens
10.2%
Value Percent YoY change
U.S.-born citizens 303,091 70% 0.2%
Non-U.S.-born citizens 85,626 19.8% 3.2%
Non-citizens 44,281 10.2% 6.8%
Racial breakdown
White
52.7%
Black or African American
7.7%
American Indian and Alaska Native
0.3%
Asian
21.8%
Native Hawaiian and other Pacific Islander
0%
Two or more races
12.6%
Other
4.8%
Value Percent
White 228,302 52.7%
Black or African American 33,411 7.7%
American Indian and Alaska Native 1,253 0.3%
Asian 94,508 21.8%
Native Hawaiian and other Pacific Islander 221 0%
Two or more races 54,499 12.6%
Other 20,804 4.8%

Households in Loudoun County

A peek inside Loudoun County households

Loudoun County has 143,032 households, with an average of 3 members in each. Of these, 78.3% are families, while the remaining 21.7% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
143,032
1.6% year-over-year change
Average people per household
3
Non-family households
31,082
Family households
111,950
Value Percent YoY change
Non-family households 31,082 21.7% 1.9%
Family households 111,950 78.3% 1.5%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Loudoun County

The housing landscape of Loudoun County

Loudoun County's housing consists of 147,003 units, with 51.4% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 31% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 0.5% of the housing landscape.

Housing units
147,003
1.5% year-over-year change
Housing types
Value Percent
1 unit, detached 75,510 51.4%
1 unit, attached 45,637 31%
2 units 878 0.6%
3 or 4 units 1,495 1%
5 to 9 units 3,534 2.4%
10 to 19 units 9,235 6.3%
20 to 49 units 2,936 2%
50 or more units 7,038 4.8%
Mobile home 700 0.5%
Boat, RV, van, etc. 40 0%
Homes built since 2020
4,043
85.4% year-over-year change

The age of buildings in Loudoun County

In Loudoun County, the median construction year is 2002. About 2.3% of homes were built before the 1940s, with another 0.4% going up by 1949. Most development happened in the second half of the 20th century. Then, 30.1% of homes were added from 2000 to 2009, 23.8% between 2010 and 2019, and 2.8% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 3,318 2.3% -7.7%
Built between 1940 and 1949 574 0.4% -13.4%
Built between 1950 and 1959 1,699 1.2% -0.2%
Built between 1960 and 1969 3,943 2.7% -10.5%
Built between 1970 and 1979 8,794 6% -2.9%
Built between 1980 and 1989 15,472 10.5% -0.0%
Built between 1990 and 1999 29,813 20.3% -0.9%
Built between 2000 and 2009 44,313 30.1% 0.3%
Built between 2010 and 2019 35,034 23.8% 4.8%
Built in 2020 or later 4,043 2.8% 85.4%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Loudoun County occupancy rates

Out of the 143,032 occupied housing units in Loudoun County, 77.9% are owner-occupied, while 22.1% are lived in by tenants. Meanwhile, 2.7% of all homes on the local market sit vacant.

Occupied housing units
143,032
1.6% year-over-year change
Occupancy breakdown
Renter occupied
31,590
Owner occupied
111,442
Value Percent YoY
change
Renter occupied 31,590 22.1% 1.6%
Owner occupied 111,442 77.9% 1.6%
Unoccupied housing units
2.7%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Loudoun County housing costs

Housing costs in Loudoun County come to a median of $2,755 per month, while tenants specifically pay a median gross rent of $2,386.

Median housing costs per month
$2,755/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Loudoun County
$2,386/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Loudoun County

Loudoun County education at a glance

About 17.6% of the population in Loudoun County went to high school, while 14.3% pursued college studies. Another 5.5% earned an associate degree and 34.2% hold a bachelor’s. Meanwhile, 25.7% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 8,658 2.7% 6.4%
High school diploma 55,817 17.6% 4.5%
College diploma 45,482 14.3% -2.7%
Associate degree 17,475 5.5% -3.6%
Bachelor's degree 108,796 34.2% 2.2%
Graduate degree 81,599 25.7% 4.0%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Loudoun County

How much people earn in Loudoun County

The average annual household income in Loudoun County was $214,791 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +2.3% change from the previous year. At the same time, the median income stood at $181,765, reflecting a +1.7% shift over the same period.

Average household income in Loudoun County
$214,791/year
2.3% year-over-year change
Median household income in Loudoun County
$181,765/year
1.7% year-over-year change

Loudoun County income by age

In Loudoun County, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $185,217. Those with someone between 45 and 64 in charge, often well established professionally, earn $215,145 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $77,413, while those led by someone over 65, many of whom may be retired, have about $104,179 in earnings. Overall, 95.8% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $77,413 3.0%
25 - 44 $185,217 3.2%
45 - 64 $215,145 2.5%
Over 65 $104,179 -0.8%
Above poverty level
408,122
Below poverty level
17,936
Value Percent YoY
change
Above poverty level 408,122 95.8% 1.2%
Below poverty level 17,936 4.2% 9.1%

Employment in Loudoun County

Workforce and job types in Loudoun County

The job market in Loudoun County is powered by 236,475 working residents, spread across a range of industries and roles. 90.8% of the working population are employed in professional or administrative positions, while 9.2% are in hands-on or service-based jobs. Also, 8.8% run their own businesses, 65.9% are employed by private companies, and 17.5% work in the public sector.

Workforce demographics

Working population
236,475
1.9% year-over-year change
White collar
214,734
Blue collar
21,741
Value Percent YoY change
White collar 214,734 90.8% 2.1%
Blue collar 21,741 9.2% -0.3%
Employer type
Self employees
8.8%
Private companies
65.9%
Governmental workers
17.5%
Not for profit companies
7.8%
Value Percent YoY change
Self employees 20,846 8.8% 0.1%
Private companies 155,750 65.9% 1.4%
Governmental workers 41,326 17.5% 3.4%
Not for profit companies 18,553 7.8% 5.2%
Unemployment rate
3.3%
4.3% year-over-year change

Available workforce

The unemployment rate in Loudoun County stands at 3.3%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Loudoun County

How people get around in Loudoun County

In Loudoun County, the average commute time is 30 minutes. Commuting methods vary: 64.9% of residents travel by personal vehicle and 1.2% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
30 min
-3.2% year-over-year change
Means of transportation
Value Percent YoY change
Car 151,984 64.9% -3.0%
Taxicab 344 0.2% -17.3%
Bus or trolleybus 1,393 0.6% -35.6%
Subway or elevated 1,676 0.7% N/A
Railroad 220 0.1% -28.1%
Motorcycle 255 0.1% -8.3%
Bicycle 244 0.1% -5.1%
Walk 2,696 1.2% -1.6%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Loudoun County by zipcode?

Zipcode Population Number of households Median income Average income
20135 3,585 1,389 $114,219 $162,402
20129 538 162 $250,001 $402,051
20132 19,817 6,381 $181,875 $225,428
20141 8,359 2,553 $210,563 $228,738
20147 67,692 25,178 $163,904 $197,330
20148 64,021 20,839 $233,494 $253,188
20152 36,674 11,047 $197,156 $225,097
20105 37,639 10,830 $219,123 $246,148
20117 2,790 1,263 $146,120 $235,703

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FAQs about Loudoun County demographics 

What is the total population of Loudoun County?

Loudoun County has a total population of 432,998 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +1.4% compared to a year ago.

What is the gender ratio in Loudoun County?

The gender ratio in Loudoun County is as follows:
  • 50.1% males (216,777 residents)
  • 49.9% females (216,221 residents)

What is the median age in Loudoun County?

The median age in Loudoun County is 38.2.

What is the age distribution of the population in Loudoun County?

The age distribution in Loudoun County is as follows:
  • Under 15: 21.6% (93,722 residents)
  • Ages 15-24: 12.8% (55,296 residents)
  • Ages 25-44: 27.7% (119,767 residents)
  • Ages 45-64: 27.1% (117,319 residents)
  • Over 65: 10.8% (46,894 residents)

What is the racial and ethnic makeup of Loudoun County?

The racial and ethnic makeup of Loudoun County is as follows:
  • White: 52.7% (228,302 residents)
  • Black or African American: 7.7% (33,411 residents)
  • American Indian and Alaska Native: 0.3% (1,253 residents)
  • Asian: 21.8% (94,508 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (221 residents)
  • Two or More Races: 12.6% (54,499 residents)
  • Other: 4.8% (20,804 residents)

What percentage of the population in Loudoun County are U.S.-born citizens?

U.S.-born citizens represent 70% of the population in Loudoun County.

How many housing units are there in Loudoun County?

There are 147,003 housing units in Loudoun County, reflecting a +1.5% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Loudoun County and what is the average household size?

Loudoun County has a total of 143,032 households, with an average of 3 people in each.

What is the median household income in Loudoun County?

Loudoun County has a median household income of $181,765, representing a +1.7% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Loudoun County?

The employment rate is 96.7% in Loudoun County, with a workforce of 236,475 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 90.8% (214,734 residents)
  • Blue-collar workers: 9.2% (21,741 residents)

Places of employment:
  • Self-employed: 8.8% (20,846 residents)
  • Private companies: 65.9% (155,750 residents)
  • Governmental workers: 17.5% (41,326 residents)
  • Not-for-profit companies: 7.8% (18,553 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025