Loudoun County, VA ZIP Codes

Virginia (VA)  ·  34 ZIP codes  ·  16 cities
34
ZIP codes
427,592
population (2021)
+36.9%
pop change since 2010
51107
FIPS code
Loudoun County ZIP code map
About Loudoun County
Loudoun County is located in Virginia and contains 34 ZIP codes across 16 cities and communities. The county's population was 427,592 as of 2021, an increase of 36.9% from 312,311 in 2010. The timezone is Central Time (observes DST). The Federal Information Processing System (FIPS) code for Loudoun County is 51107.
Population
2021 population427,592
2010 population312,311
Change+36.9%
County details
StateVirginia
FIPS code51107
TimezoneCentral
Daylight savingYes
Cities in Loudoun County
Aldie Ashburn Chantilly Dhs Dulles Hamilton Leesburg Lincoln Lovettsville Middleburg Paeonian Springs Philomont Purcellville Round Hill Sterling Waterford
ZIP codes for Loudoun County, VA (34)
ZIP code City County Map
20101 Dulles Loudoun View map
20102 Dulles Loudoun View map
20103 Dulles Loudoun View map
20104 Dulles Loudoun View map
20105 Aldie Loudoun View map
20117 Middleburg Loudoun View map
20118 Middleburg Loudoun View map
20129 Paeonian Springs Loudoun View map
20131 Philomont Loudoun View map
20132 Purcellville Loudoun View map
20134 Purcellville Loudoun View map
20141 Round Hill Loudoun View map
20142 Round Hill Loudoun View map
20146 Ashburn Loudoun View map
20147 Ashburn Loudoun View map
20148 Ashburn Loudoun View map
20149 Ashburn Loudoun View map
20152 Chantilly Loudoun View map
20158 Hamilton Loudoun View map
20159 Hamilton Loudoun View map
20160 Lincoln Loudoun View map
20163 Sterling Loudoun View map
20164 Sterling Loudoun View map
20165 Sterling Loudoun View map
20166 Sterling Loudoun View map
20167 Sterling Loudoun View map
20175 Leesburg Loudoun View map
20176 Leesburg Loudoun View map
20177 Leesburg Loudoun View map
20178 Leesburg Loudoun View map
20180 Lovettsville Loudoun View map
20189 Dulles Loudoun View map
20197 Waterford Loudoun View map
20598 Dhs Loudoun View map

Demographics & statistics

418,701
Population
37.6
Median age
$171,336
Median household income
$67,251
Per capita income
$710,606
Median home value
$1,721
Median monthly rent
79.9%
Home ownership
3.8%
Poverty rate
3.9%
Unemployment
110,384
Housing units
63.6%
Bachelor's or higher

Age distribution

Male Female
13,802
Under 5
13,454
15,974
5–9
15,572
17,861
10–14
17,412
15,565
15–19
15,173
11,439
20–24
11,151
23,664
25–34
23,068
36,096
35–44
35,188
33,484
45–54
32,641
13,031
55–59
12,704
10,008
60–64
9,757
12,393
65–74
12,081
6,217
75–84
6,060
2,484
85+
2,422
← Male
Female →

Age summary

GroupCount%
Under 18114,54125.2%
18 and over304,16074.8%
65 and over41,65711.4%
Median age37.6 years

Race & ethnicity

White 52.3%
Asian 18.8%
Hispanic or Latino 8.9%
Two or more races 8.6%
Black or African American 7%
Other race 4.1%
American Indian / Alaska Native 0.3%
Native Hawaiian / Pacific Islander 0.1%
GroupCount%
White240,40152.3%
Asian86,45018.8%
Hispanic or Latino41,0188.9%
Two or more races39,4638.6%
Black or African American32,0757%
Other race18,8244.1%
American Indian / Alaska Native1,1810.3%
Native Hawaiian / Pacific Islander3070.1%

Household income

Under $10k 2.1%
$10k–$15k 0.5%
$15k–$25k 2.7%
$25k–$35k 2.1%
$35k–$50k 3.8%
$50k–$75k 6.2%
$75k–$100k 8.5%
$100k–$150k 16.0%
$150k–$200k 14.7%
$200k+ 43.4%
Range% of households
Under $10k2.1%
$10k–$15k0.5%
$15k–$25k2.7%
$25k–$35k2.1%
$35k–$50k3.8%
$50k–$75k6.2%
$75k–$100k8.5%
$100k–$150k16.0%
$150k–$200k14.7%
$200k+43.4%
Median income$171,336

Housing

Home values

Under $50k 0.7%
$50k–$100k 0.4%
$100k–$150k 0.6%
$150k–$200k 0.8%
$200k–$300k 3.2%
$300k–$500k 19.0%
$500k–$1M 57.6%
$1M+ 17.7%

Housing overview

MetricValue
Median home value$710,606
Median rent / month$1,721
Owner occupied79.9%
Renter occupied20.1%
Vacant4.9%
Single-family detached66.0%
Large apartment buildings4.2%
Mobile homes0.7%
Median rooms8.1
Avg household size (owned)3.09

Year built

Era%
2020 or later0.8%
2010–201918.8%
2000–200926.6%
1990–199921.6%
1980–198910.5%
1970–19797.4%
1960–19694.5%
1950–19591.8%
1940–19490.9%
1939 or earlier7.1%

Bedrooms

Size% of units
No bedroom (studio)0.7%
1 bedroom4.3%
2 bedrooms12.2%
3 bedrooms29.3%
4 bedrooms34.4%
5+ bedrooms19.1%

Vehicles per household

Vehicles% of households
No vehicle2.6%
1 vehicle18.5%
2 vehicles42.7%
3 or more36.2%

Heating fuel

Fuel type%
Utility gas37.8%
Electricity37.2%
Propane / LP gas17.7%
Fuel oil5.6%
Wood0.7%
No fuel used0.2%

Households & families

Household typeCount%
Married-couple family92,82970.3%
Cohabiting couple6,7173.8%
Male householder, no spouse15,15810.2%
Female householder, no spouse23,15415.7%
Households with children under 1864,39141.3%
Households with seniors (65+)28,75223.0%
Average household size3.00

Marital status

StatusMaleFemale
Never married28.1%24.2%
Married63.9%61.2%
Separated0.8%1.8%
Widowed1.3%5.2%
Divorced5.9%7.6%

Education

Less than 9th grade 2.1%
Some HS, no diploma 2.4%
HS graduate 11.1%
Some college, no degree 15.0%
Associate's degree 5.8%
Bachelor's degree 36.7%
Graduate / professional 27.0%
Metric%
HS diploma or higher95.5%
Bachelor's or higher63.6%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool7,1416.5%
Kindergarten6,2275.3%
Elementary school52,70938.6%
High school28,03928.7%
College / grad school27,14820.9%

Employment

Industry of employment

Professional & management 29.1%
Education & healthcare 17.4%
Public administration 7.6%
Finance & real estate 7.4%
Retail trade 7.2%
Arts, food & hospitality 6.7%
Construction 5.2%
Information 4.8%
Other services 4.4%
Manufacturing 4.3%
Transportation & utilities 3.9%
Wholesale trade 1.5%
Agriculture & mining 0.8%

Occupation

Category%
Management, business & arts61.5%
Service11.2%
Sales & office17.2%
Natural resources & construction3.7%
Production & transportation6.4%

Employment type

Type%
Private sector76.2%
Government16.2%
Self-employed7.5%
Unpaid family workers0.1%

Commute

Method%
Drive alone64.0%
Carpool6.3%
Public transit2.1%
Walk1.4%
Other means1.2%
Avg commute (minutes)34.1

Poverty

All people 3.8%
Under 18 years 4.0%
18 and over 3.7%
Married-couple families 1.8%
Female-led households 9.8%

Income support

Source% of households
Social Security20.6%
Retirement income20.8%
Supplemental Security2.2%
Cash public assistance1.1%
Food stamps / SNAP2.7%

Health indicators

Condition%
High blood pressure26.3%
High cholesterol29.7%
Heart disease3.9%
Stroke1.8%
Asthma8.5%
Arthritis19.6%
Kidney disease1.9%
Pulmonary disease3.9%
Cancer5.4%
Behavior / access%
Binge drinking16.0%
No physical activity15.5%
Less than 7 hrs sleep31.8%
Fair or poor health9.1%
Poor mental health11.5%
Poor physical health6.6%
No health insurance9.8%
Visited doctor (checkup)72.9%
Visited dentist74.7%
Cholesterol screening92.7%
Teeth loss6.5%

Veterans & disability

VeteransCount%
Civilian veterans23,0938.7%
Disability%
Any disability6.4%
Under 182.5%
18–64 years4.7%
65 and over24.2%

Health insurance coverage

Type%
Private insurance87.9%
Public insurance16.6%
Uninsured under 193.1%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only391,44593.6%
Spanish38,8106.9%
Other Indo-European16,1133.0%
Asian & Pacific Islander9,8051.6%
Other languages10,7041.9%

Place of birth & citizenship

OriginCount%
Native born (US)309,92980.8%
Born in same state299,96578.4%
Born in different state140,13334.6%
Foreign born9,9642.4%
Naturalized citizen108,77219.2%
Not a US citizen68,17767.2%

Ancestry

AncestryCount%
Italian41,6269.9%
French39,1609.4%
Arab23,0065.5%
Polish3,2290.8%
English2,8280.7%
AncestryCount%
Irish1,8100.4%
German1,4460.3%
Dutch9460.2%
Norwegian6600.2%

Technology access

Metric% of households
Computer access33.7%
Internet access98.7%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

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