20165 ZIP Code — Sterling, VA

Loudoun County, Virginia

ZIP code 20165 is located in Sterling, Virginia, within Loudoun County. It covers approximately 9.85 square miles and serves a population of 34,222 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 703.

About ZIP code 20165

The housing stock consists of a mix of housing types. Most homes were built in the 1990s, giving the area an established character. Median home value is $617,500. Owner-occupancy is high at 78%, well above the national average.

The gap between median ($173,015) and mean household income suggests income inequality — a small number of higher earners pull the average up.

The dominant occupation class is management, business, and professional, with professional and management as the leading industry. The average commute of 30 minutes is near the national average. Remote work is prevalent — 24% of workers work from home.

Educational attainment is high — 65% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 20165 reflects a community defined by a highly educated population, high homeownership, and a high rate of remote workers.

34,222

population

9.85

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

20165 ZIP code map

Cities in ZIP code 20165

Below are the cities the US Postal Service accepts for ZIP code 20165. Using any city not on this list may result in mail delivery delays.

City	Status
Sterling	Acceptable
Sterling	Preferred

Nearby ZIP codes

20164 Sterling (2.4 mi) 20170 Herndon (4.4 mi) 20837 Poolesville (5 mi) 20194 Reston (5.1 mi) 20147 Ashburn (5.1 mi) 22066 Great Falls (5.1 mi) 22095 Herndon (5.4 mi) 20149 Ashburn (5.4 mi) 20166 Sterling (6.4 mi) 20166 Sterling (6.4 mi) 20196 Reston (6.4 mi) 22096 Reston (6.4 mi)

Demographics updated 05/2026

Population
Total population	34,222
Population density	3,474 / sq mi
State FIPS	51
County FIPS	107

Geography
Land area	9.85 sq mi
Water area	0.23 sq mi
Latitude	39.0474
Longitude	-77.3865
Timezone	Eastern (ET)
Area code	703

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	9.6%	12.4%	32.9%
$50k – $100k	19.5%	18.8%	29.2%
$100k – $200k	39.4%	37.1%	26.3%
Over $200k	31.5%	31.8%	11.6%

Demographics & statistics

34,222

Population

3,474

People per sq mi

38.0

Median age

$173,015

Median household income

$71,662

Per capita income

$617,500

Median home value

$2,378

Median monthly rent

77.5%

Home ownership

1.8%

Poverty rate

3.2%

Unemployment

9,605

Housing units

65.2%

Bachelor's or higher

Age distribution

Male Female

1,302

Under 5

1,328

1,186

5–9

1,210

1,216

10–14

1,240

1,267

15–19

1,293

874

20–24

891

1,926

25–34

1,965

2,561

35–44

2,614

2,535

45–54

2,587

1,086

55–59

1,109

1,035

60–64

1,056

1,200

65–74

1,224

523

75–84

533

228

85+

233

← Male

Female →

Age summary

Group	Count	%
Under 18	9,182	26.8%
18 and over	25,040	73.2%
65 and over	3,941	11.5%
Median age	38.0 years

Race & ethnicity

White 58.2%

Asian 12.3%

Two or more races 9.3%

Hispanic or Latino 9.2%

Black or African American 6.3%

Other race 4.5%

Native Hawaiian / Pacific Islander 0.1%

American Indian / Alaska Native 0.1%

Group	Count	%
White	21,943	58.2%
Asian	4,627	12.3%
Two or more races	3,522	9.3%
Hispanic or Latino	3,482	9.2%
Black or African American	2,374	6.3%
Other race	1,678	4.5%
Native Hawaiian / Pacific Islander	41	0.1%
American Indian / Alaska Native	37	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	9.6%	12.4%	32.9%
$50k – $100k	19.5%	18.8%	29.2%
$100k – $200k	39.4%	37.1%	26.3%
Over $200k	31.5%	31.8%	11.6%

Under $10k 1.3%

$10k–$15k 0.6%

$15k–$25k 1.5%

$25k–$35k 2.2%

$35k–$50k 3.0%

$50k–$75k 7.4%

$75k–$100k 8.6%

$100k–$150k 17.5%

$150k–$200k 19.5%

$200k+ 38.5%

Range	% of households
Under $10k	1.3%
$10k–$15k	0.6%
$15k–$25k	1.5%
$25k–$35k	2.2%
$35k–$50k	3.0%
$50k–$75k	7.4%
$75k–$100k	8.6%
$100k–$150k	17.5%
$150k–$200k	19.5%
$200k+	38.5%
Median income	$173,015

Housing

Home values

Under $50k 1.7%

$50k–$100k 0.5%

$100k–$150k 0.3%

$150k–$200k 0.1%

$200k–$300k 2.3%

$300k–$500k 24.6%

$500k–$1M 65.0%

$1M+ 5.5%

Housing overview

Metric	Value
Median home value	$617,500
Median rent / month	$2,378
Owner occupied	77.5%
Renter occupied	22.5%
Vacant	2.6%
Single-family detached	47.1%
Large apartment buildings	6.4%
Mobile homes	1.1%
Median rooms	7.2
Avg household size (owned)	2.98

Year built

Era	%
2020 or later	0.2%
2010–2019	5.0%
2000–2009	15.3%
1990–1999	49.2%
1980–1989	24.2%
1970–1979	2.8%
1960–1969	1.6%
1950–1959	1.1%
1940–1949	0.1%
1939 or earlier	0.5%

Bedrooms

Size	% of units
No bedroom (studio)	2.1%
1 bedroom	5.0%
2 bedrooms	15.3%
3 bedrooms	36.6%
4 bedrooms	28.9%
5+ bedrooms	12.1%

Vehicles per household

Vehicles	% of households
No vehicle	3.8%
1 vehicle	23.7%
2 vehicles	47.4%
3 or more	25.2%

Heating fuel

Fuel type	%
Utility gas	57.2%
Electricity	39.0%
Propane / LP gas	1.8%
Fuel oil	1.2%
Wood	0.3%
No fuel used	0.5%

Households & families

Household type	Count	%
Married-couple family	7,196	60.1%
Cohabiting couple	460	3.8%
Male householder, no spouse	1,579	13.2%
Female householder, no spouse	2,746	22.9%
Households with children under 18	4,851	40.5%
Households with seniors (65+)	2,893	24.1%
Average household size	2.85

Marital status

Status	Male	Female
Never married	31.1%	25.4%
Married	59.6%	53.3%
Separated	1.3%	0.7%
Widowed	1.3%	7.4%
Divorced	6.6%	13.2%

Education

Less than 9th grade 1.7%

Some HS, no diploma 1.9%

HS graduate 10.8%

Some college, no degree 14.4%

Associate's degree 6.0%

Bachelor's degree 38.7%

Graduate / professional 26.5%

Metric	%
HS diploma or higher	96.4%
Bachelor's or higher	65.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	551	6.0%
Kindergarten	436	4.8%
Elementary school	3,837	42.1%
High school	1,986	21.8%
College / grad school	2,302	25.3%

Employment

Industry of employment

Professional & management 29.8%

Education & healthcare 17.0%

Finance & real estate 8.9%

Public administration 8.8%

Retail trade 8.0%

Arts, food & hospitality 5.2%

Other services 4.6%

Information 4.5%

Construction 4.2%

Transportation & utilities 4.0%

Manufacturing 3.5%

Wholesale trade 1.1%

Agriculture & mining 0.2%

Occupation

Category	%
Management, business & arts	64.5%
Service	9.2%
Sales & office	20.3%
Natural resources & construction	1.6%
Production & transportation	4.3%

Employment type

Type	%
Private sector	77.5%
Government	18.1%
Self-employed	4.2%
Unpaid family workers	0.3%

Commute

Method	%
Drive alone	66.6%
Carpool	4.8%
Public transit	2.7%
Walk	0.6%
Work from home	23.9%
Other means	1.4%
Avg commute (minutes)	29.8

Poverty

All people 1.8%

Under 18 years 0.5%

18 and over 2.3%

Married-couple families 0.5%

Female-led households 1.0%

Income support

Source	% of households
Social Security	19.6%
Retirement income	20.1%
Supplemental Security	2.5%
Cash public assistance	1.5%
Food stamps / SNAP	2.7%

Health indicators

Condition	%
Obesity	28.3%
High blood pressure	25.2%
High cholesterol	29.0%
Diabetes	7.1%
Heart disease	3.7%
Stroke	1.7%
Asthma	8.4%
Arthritis	18.7%
Kidney disease	1.8%
Pulmonary disease	3.5%
Cancer	5.3%

Behavior / access	%
Smoking	10.1%
Binge drinking	16.1%
No physical activity	14.4%
Less than 7 hrs sleep	31.2%
Depression	16.7%
Fair or poor health	8.2%
Poor mental health	11.0%
Poor physical health	6.1%
No health insurance	9.0%
Visited doctor (checkup)	72.8%
Visited dentist	76.3%
Cholesterol screening	93.0%
Teeth loss	6.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,741	7.0%

Disability	%
Any disability	6.9%
Under 18	1.7%
18–64 years	6.2%
65 and over	22.9%

Health insurance coverage

Type	%
Private insurance	89.4%
Public insurance	16.1%
No insurance	3.4%
Uninsured under 19	1.7%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	31,592	92.3%
Spanish	2,870	9.1%
Other Indo-European	906	2.9%
Asian & Pacific Islander	1,116	3.5%
Other languages	516	1.6%

Place of birth & citizenship

Origin	Count	%
Native born (US)	26,285	76.8%
Born in same state	25,454	74.4%
Born in different state	11,282	33.0%
Foreign born	831	2.4%
Naturalized citizen	7,937	23.2%
Not a US citizen	5,585	70.4%

Ancestry

Ancestry	Count	%
Italian	3,620	10.6%
French	3,345	9.8%
Arab	1,293	3.8%
English	343	1%
Polish	264	0.8%

Ancestry	Count	%
Dutch	211	0.6%
German	143	0.4%
Irish	136	0.4%
Norwegian	9	0%

Technology access

Metric	% of households
Computer access	35.0%
Internet access	98.6%

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

Frequently asked questions about ZIP code 20165

What city is ZIP code 20165 in?

ZIP code 20165 is primarily assigned to Sterling, Virginia.

What county is ZIP code 20165 in?

ZIP code 20165 falls within Loudoun County, Virginia.

How educated is the population of ZIP code 20165?

65% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What is the median household income in ZIP code 20165?

The median household income in ZIP code 20165 is $173,015, above the national median of ~$75,000.

What is the typical home value in ZIP code 20165?

The median home value in ZIP code 20165 is $617,500.

What is the population of ZIP code 20165?

ZIP code 20165 has an estimated population of 34,222 residents, with a density of 3,475 people per square mile.

What timezone is ZIP code 20165 in?

ZIP code 20165 observes the EST timezone.