20166

Zip code 20166: Sterling, Virginia

Q: What city is zip code 20166?

20166 is assigned to Sterling, Virginia. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 20166 in?

20166 is in Loudoun County, Virginia.

Q: What is the population of 20166?

About 14,949 people live in 20166, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 20166?

The median household income in 20166 is $133,401.

Q: What zip codes are near 20166?

The closest zip codes to 20166 are 20598, 20103, 20101, 20189, 20163.

Residential delivery areaLoudoun CountyEastern Time

Population

14,949

Median household income

$133K

U.S. $81K

Median home value

$619K

U.S. $333K

Median rent

$2,362/mo

U.S. $1,413

Median age

U.S. 38.9

Land area

27 sq mi

550 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 20166

20166 is a suburban zip code in Sterling, Virginia (Loudoun County), covering 27 sq mi of land. About 14,949 people live here, or 550 per square mile. The median resident is 34 years old, compared with 38.9 nationally.

The median household earns $133,401 a year, 65% above the national median of $80,734. 4.1% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $618,800, or 4.6 years of median household income (U.S.: 4.1 years), which makes homes about as affordable as the national average for local earners. 50% of occupied homes are lived in by their owners, and renters pay a median of $2,362 a month.

65% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 27.9 minutes each way, and 27% of workers work from home. The most common jobs among working residents are in computer and math (tech); management; and business and finance. 58% of households speak a language other than English at home, most often an Asian or Pacific Island language.

How 20166 compares

Sorted from highest to lowest national percentile

Diversity index75.9
99th
U.S. 61.4 · VA 60.75th of 852 in VA
Tech workers19.1%
99th
U.S. 3.8% · VA 6.5%10th of 846 in VA
Foreign-born residents40.7%
95th
U.S. 14.1% · VA 13.1%8th of 852 in VA
Median gross rent$2,362
93rd
U.S. $1,413 · VA $1,57940th of 616 in VA
Bachelor's degree or higher65.3%
93rd
StrengthU.S. 35.7% · VA 42.2%63rd of 850 in VA
Median earnings per worker$79,139
93rd
StrengthU.S. $49,666 · VA $54,86168th of 834 in VA
Work from home26.9%
91st
U.S. 15.1% · VA 18.3%104th of 848 in VA
Median household income$133,401
90th
StrengthU.S. $80,734 · VA $93,170103rd of 796 in VA
Broadband access96%
85th
StrengthU.S. 91% · VA 91%138th of 836 in VA
Per capita income$58,048
83rd
StrengthU.S. $44,673 · VA $50,666137th of 849 in VA
Median home value$618,800
83rd
U.S. $332,700 · VA $383,70086th of 782 in VA
Residents under 1825.9%
81st
U.S. 22% · VA 21.7%93rd of 852 in VA
Government workers18.8%
80th
U.S. 14.5% · VA 20.5%408th of 846 in VA
Veterans7.2%
69th
U.S. 6.2% · VA 9.4%497th of 851 in VA
Average commute27.9 min
62nd
U.S. 26.4 min · VA 27.3 min414th of 799 in VA
Uninsured rate6.4%
46th
U.S. 8.4% · VA 6.9%355th of 846 in VA
Self-employed workers8.4%
38th
U.S. 10% · VA 8.6%430th of 846 in VA
Unemployment rate4.1%
36th
U.S. 5.2% · VA 4.3%322nd of 846 in VA
Population density550/sq mi
34th
U.S. 95/sq mi · VA 221/sq mi217th of 852 in VA
Population14,949
23rd
U.S. 334,922,499 · VA 8,705,170199th of 852 in VA
Homeownership rate49.5%
17th
WeaknessU.S. 65.2% · VA 67.3%766th of 836 in VA
Median age34
16th
U.S. 38.9 · VA 39764th of 849 in VA
Healthcare workers7.1%
16th
U.S. 9.7% · VA 8.5%537th of 846 in VA
Rent-burdened renters35.5%
9th
StrengthU.S. 51.1% · VA 48.5%529th of 774 in VA
Poverty rate4.1%
7th
StrengthU.S. 12.5% · VA 9.9%681st of 837 in VA
Income inequality (Gini)0.352
3rd
StrengthU.S. 0.483 · VA 0.471705th of 832 in VA
Housing vacancy1.4%
2nd
U.S. 10.1% · VA 8.7%769th of 836 in VA
Residents 65 and older6.2%
1st
U.S. 17.2% · VA 16.7%809th of 852 in VA

Measure	20166	Loudoun	VA	U.S.	National percentile	Rank in VA
Diversity index	75.9	66.5	60.7	61.4	99th	5th of 852
Tech workers	19.1%	14.9%	6.5%	3.8%	99th	10th of 846
Foreign-born residents	40.7%	27.4%	13.1%	14.1%	95th	8th of 852
Median gross rent	$2,362	$2,386	$1,579	$1,413	93rd	40th of 616
Bachelor's degree or higherStrength	65.3%	64.6%	42.2%	35.7%	93rd	63rd of 850
Median earnings per workerStrength	$79,139	$89,806	$54,861	$49,666	93rd	68th of 834
Work from home	26.9%	31.2%	18.3%	15.1%	91st	104th of 848
Median household incomeStrength	$133,401	$181,765	$93,170	$80,734	90th	103rd of 796
Broadband accessStrength	96%	97%	91%	91%	85th	138th of 836
Per capita incomeStrength	$58,048	$71,986	$50,666	$44,673	83rd	137th of 849
Median home value	$618,800	$743,800	$383,700	$332,700	83rd	86th of 782
Residents under 18	25.9%	26.6%	21.7%	22%	81st	93rd of 852
Government workers	18.8%	17.5%	20.5%	14.5%	80th	408th of 846
Veterans	7.2%	7%	9.4%	6.2%	69th	497th of 851
Average commute	27.9 min	30.1 min	27.3 min	26.4 min	62nd	414th of 799
Uninsured rate	6.4%	5.4%	6.9%	8.4%	46th	355th of 846
Self-employed workers	8.4%	8.6%	8.6%	10%	38th	430th of 846
Unemployment rate	4.1%	3.3%	4.3%	5.2%	36th	322nd of 846
Population density	550/sq mi	840/sq mi	221/sq mi	95/sq mi	34th	217th of 852
Population	14,949	432,998	8,705,170	334,922,499	23rd	199th of 852
Homeownership rateWeakness	49.5%	77.9%	67.3%	65.2%	17th	766th of 836
Median age	34	38.2	39	38.9	16th	764th of 849
Healthcare workers	7.1%	5.3%	8.5%	9.7%	16th	537th of 846
Rent-burdened rentersStrength	35.5%	44.1%	48.5%	51.1%	9th	529th of 774
Poverty rateStrength	4.1%	4.2%	9.9%	12.5%	7th	681st of 837
Income inequality (Gini)Strength	0.352	0.391	0.471	0.483	3rd	705th of 832
Housing vacancy	1.4%	2.7%	8.7%	10.1%	2nd	769th of 836
Residents 65 and older	6.2%	10.8%	16.7%	17.2%	1st	809th of 852

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Under 5

17%

5–17

18–24

18%

25–34

20%

35–44

12%

45–54

10%

55–64

65–74

75+

Median age

Under 18

25.9%

65 and over

6.2%

Race and ethnicity

White30%
Black13%
Hispanic17%
Asian32%
Native American0.1%
Pacific Islander0.1%
Other3%
Multiracial5%

Diversity index

75.9

U.S. 61.4

Foreign-born

40.7%

U.S. 14.1%

Born in state

31.9%

Language spoken at home (households)

English only

42%

Spanish

14%

Other Indo-European

15%

Asian / Pacific

17%

Other

12%

Households

Households: 5,473
Average household size: 2.7
Family households: 71%
Married couples: 50.9%
Living alone: 21.8%
Veterans (of adults): 7.2%
Male / female: 53% / 47%

Income and poverty

Household income distribution

<$25k

$25–50k

$50–75k

$75–100k

10%

$100–150k

26%

$150–200k

15%

$200k+

27%

Median household income

20166

$133,401

Loudoun Co.

$181,765

Virginia

$93,170

United States

$80,734

Per capita income

$58,048

U.S. $44,673

Poverty rate

4.1%

U.S. 12.5%

Households earning $150K+

42.8%

U.S. 23%

Income inequality (Gini)

0.352

U.S. 0.483

Housing

Median home value

20166

$618,800

Loudoun Co.

$743,800

Virginia

$383,700

United States

$332,700

Median gross rent

20166

$2,362

Loudoun Co.

$2,386

Virginia

$1,579

United States

$1,413

Types of housing

Single-family

54%

2–4 units

5–19 units

20%

20+ units

22%

Mobile home

Boat, RV, van

Housing units: 5,552
Owner-occupied: 49.5%
Vacant: 1.4%
Median year built: 2007
Median rooms: 5
Renters paying 30%+ of income: 35.5%
Renters paying 50%+ of income: 21.8%
Home value to income: 4.6× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

60%

Carpooled

10%

Transit

0.9%

Walked

Bicycle

0.1%

Worked from home

27%

Other

0.6%

Commute time (one way)

<10 min

12%

10–19

30%

20–29

19%

30–44

16%

45–59

60+

15%

Average commute

27.9 min

U.S. 26.4 min

Unemployment

4.1%

U.S. 5.2%

In labor force

82.1%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Computer and math

19%

Management

14%

Business and finance

Engineering and science

Office and admin

Healthcare

Sales

Construction and repair

Education

Transportation and moving

Cleaning and personal care

Police and fire

Food service

Legal and social services

Arts, media and sports

Production

Farming, fishing and forestry

Industries

Professional and technical services

25%

Public administration

10%

Retail

Health care and social assistance

Finance, insurance and real estate

Admin, support and management

Education

Construction

Manufacturing

Restaurants and hotels

Other services

Information

Transportation, warehousing and utilities

Arts and recreation

Wholesale

0.2%

Agriculture and mining

0.1%

Median earnings per worker

$79,139

U.S. $49,666

Self-employed

8.4%

U.S. 10%

Government workers

18.8%

U.S. 14.5%

Nonprofit workers

U.S. 8.8%

Median earnings by type of work

Type of work	20166	U.S.
Management, business, science and arts	$105,381	$74,888
Service	$31,776	$26,804
Sales and office	$37,150	$40,476
Construction and maintenance	$45,733	$49,199
Production and transportation	$28,819	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

15%

Some college

10%

Associate's

Bachelor's

43%

Graduate

23%

High school graduate or higher: 93.6%
Bachelor's degree or higher: 65.3%
Graduate or professional degree: 22.7%
Households with broadband: 96%
Cable, fiber or DSL: 88.9%
No internet access: 1.4%
Without health insurance: 6.4%
Limited-English households: 7.7%

Geography

City (USPS): Sterling
State: Virginia
County: Loudoun County
Center point: 38.9700° N, 77.4640° W
Land area: 27 sq mi
Water area: 0.3 sq mi
Time zone: Eastern Time (UTC-5, UTC-4 in summer)
Zip type: Residential delivery area

Cities and towns within this zip

Dulles Town Center (unincorporated)9% of zip
Ashburn (unincorporated)8% of zip
Arcola (unincorporated)7% of zip
Oak Grove (unincorporated)4% of zip
Loudoun Valley Estates (unincorporated)3% of zip
Kincora (unincorporated)2% of zip
Sterling (unincorporated)1% of zip

Census places overlapping the zip's area. Mail may use a different city name than the municipality.

Zip codes near 20166

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
20598	Dhs, VA · PO box	1.7 mi	—	—	—
20103	Dulles, VA · PO box	2 mi	—	—	—
20101	Dulles, VA · PO box	2.5 mi	—	—	—
20189	Dulles, VA · PO box	2.9 mi	—	—	—
20163	Sterling, VA · PO box	3.1 mi	—	—	—
20167	Sterling, VA · PO box	3.1 mi	—	—	—
20148	Ashburn, VA	4 mi	64,021	$233,494	$873,700
20172	Herndon, VA · PO box	4.2 mi	—	—	—
22095	Herndon, VA · PO box	4.2 mi	—	—	—
20170	Herndon, VA	4.6 mi	43,866	$159,466	$647,200
20164	Sterling, VA	4.6 mi	43,436	$135,660	$544,300
20171	Herndon, VA	4.7 mi	51,286	$171,372	$797,200

Zip codes like 20166 elsewhere

Matched on income, home values, age, density, education, housing and commuting

Questions about 20166

What city is zip code 20166?

20166 is assigned to Sterling, Virginia. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 20166 in?

20166 is in Loudoun County, Virginia.

What is the population of 20166?

About 14,949 people live in 20166, according to the Census Bureau's American Community Survey.

What time zone is 20166 in?

20166 is in Eastern Time.

What is the median household income in 20166?

The median household income in 20166 is $133,401.

What zip codes are near 20166?

The closest zip codes to 20166 are 20598, 20103, 20101, 20189, 20163.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 20166, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.