20855

Zip code 20855: Derwood, Maryland

Q: What city is zip code 20855?

20855 is assigned to Derwood, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 20855 in?

20855 is in Montgomery County, Maryland.

Q: What is the population of 20855?

About 17,279 people live in 20855, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 20855?

The median household income in 20855 is $149,110.

Q: What zip codes are near 20855?

The closest zip codes to 20855 are 20880, 20879, 20832, 20853, 20877.

Residential delivery areaMontgomery CountyEastern Time

Population

17,279

Median household income

$149K

U.S. $81K

Median home value

$640K

U.S. $333K

Median rent

$2,413/mo

U.S. $1,413

Median age

41.3

U.S. 38.9

Land area

13 sq mi

1,322 people/sq mi

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

About 20855

20855 is a suburban zip code in Derwood, Maryland (Montgomery County), covering 13 sq mi of land. About 17,279 people live here, or 1,322 per square mile. The median resident is 41.3 years old, compared with 38.9 nationally.

The median household earns $149,110 a year, 85% above the national median of $80,734. 5.2% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $640,300, or 4.3 years of median household income (U.S.: 4.1 years), which makes homes about as affordable as the national average for local earners. 74% of occupied homes are lived in by their owners, and renters pay a median of $2,413 a month.

67% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 35.2 minutes each way, and 30% of workers work from home. The most common jobs among working residents are in management; engineering and science; and computer and math (tech). 45% of households speak a language other than English at home, most often an Asian or Pacific Island language.

How 20855 compares

Sorted from highest to lowest national percentile

Government workers27.7%
97th
U.S. 14.5% · MD 22.5%94th of 444 in MD
Diversity index71.9
96th
U.S. 61.4 · MD 67.719th of 446 in MD
Tech workers10%
96th
U.S. 3.8% · MD 6.4%56th of 444 in MD
Median household income$149,110
94th
StrengthU.S. $80,734 · MD $103,67884th of 414 in MD
Median gross rent$2,413
94th
U.S. $1,413 · MD $1,70535th of 338 in MD
Bachelor's degree or higher66.8%
94th
StrengthU.S. 35.7% · MD 43.4%43rd of 445 in MD
Work from home30.1%
94th
U.S. 15.1% · MD 19.3%45th of 444 in MD
Broadband access97.2%
94th
StrengthU.S. 91% · MD 92.4%95th of 441 in MD
Median earnings per worker$80,543
93rd
StrengthU.S. $49,666 · MD $61,20088th of 443 in MD
Per capita income$69,847
91st
StrengthU.S. $44,673 · MD $52,97967th of 446 in MD
Average commute35.2 min
91st
WeaknessU.S. 26.4 min · MD 31.1 min117th of 421 in MD
Foreign-born residents31.7%
89th
U.S. 14.1% · MD 16.6%34th of 446 in MD
Median home value$640,300
84th
U.S. $332,700 · MD $419,90055th of 421 in MD
Residents 65 and older19.6%
71st
U.S. 17.2% · MD 16.7%171st of 446 in MD
Median age41.3
67th
U.S. 38.9 · MD 39.4237th of 446 in MD
Homeownership rate74.4%
65th
U.S. 65.2% · MD 67.6%282nd of 441 in MD
Veterans6.1%
54th
U.S. 6.2% · MD 6.8%277th of 446 in MD
Self-employed workers9.3%
50th
U.S. 10% · MD 8.7%207th of 444 in MD
Population density1,322/sq mi
49th
U.S. 95/sq mi · MD 639/sq mi146th of 446 in MD
Residents under 1820.7%
37th
U.S. 22% · MD 22.2%260th of 446 in MD
Unemployment rate4%
34th
U.S. 5.2% · MD 4.9%216th of 444 in MD
Population17,279
26th
U.S. 334,922,499 · MD 6,206,011140th of 446 in MD
Income inequality (Gini)0.404
23rd
U.S. 0.483 · MD 0.456226th of 438 in MD
Rent-burdened renters42.4%
22nd
U.S. 51.1% · MD 51.5%275th of 404 in MD
Healthcare workers7.4%
20th
U.S. 9.7% · MD 9%257th of 444 in MD
Uninsured rate3.2%
14th
StrengthU.S. 8.4% · MD 6.3%254th of 444 in MD
Poverty rate5.2%
13th
StrengthU.S. 12.5% · MD 9.4%272nd of 441 in MD
Housing vacancy1.3%
1st
U.S. 10.1% · MD 7.7%383rd of 441 in MD

Measure	20855	Montgomery	MD	U.S.	National percentile	Rank in MD
Government workers	27.7%	21.5%	22.5%	14.5%	97th	94th of 444
Diversity index	71.9	74.1	67.7	61.4	96th	19th of 446
Tech workers	10%	8.2%	6.4%	3.8%	96th	56th of 444
Median household incomeStrength	$149,110	$132,450	$103,678	$80,734	94th	84th of 414
Median gross rent	$2,413	$2,068	$1,705	$1,413	94th	35th of 338
Bachelor's degree or higherStrength	66.8%	60.6%	43.4%	35.7%	94th	43rd of 445
Work from home	30.1%	28.3%	19.3%	15.1%	94th	45th of 444
Broadband accessStrength	97.2%	95.7%	92.4%	91%	94th	95th of 441
Median earnings per workerStrength	$80,543	$71,294	$61,200	$49,666	93rd	88th of 443
Per capita incomeStrength	$69,847	$67,571	$52,979	$44,673	91st	67th of 446
Average commuteWeakness	35.2 min	31.9 min	31.1 min	26.4 min	91st	117th of 421
Foreign-born residents	31.7%	33.6%	16.6%	14.1%	89th	34th of 446
Median home value	$640,300	$640,300	$419,900	$332,700	84th	55th of 421
Residents 65 and older	19.6%	17%	16.7%	17.2%	71st	171st of 446
Median age	41.3	40.2	39.4	38.9	67th	237th of 446
Homeownership rate	74.4%	65.3%	67.6%	65.2%	65th	282nd of 441
Veterans	6.1%	4.2%	6.8%	6.2%	54th	277th of 446
Self-employed workers	9.3%	11%	8.7%	10%	50th	207th of 444
Population density	1,322/sq mi	2,162/sq mi	639/sq mi	95/sq mi	49th	146th of 446
Residents under 18	20.7%	22.8%	22.2%	22%	37th	260th of 446
Unemployment rate	4%	4.9%	4.9%	5.2%	34th	216th of 444
Population	17,279	1,065,949	6,206,011	334,922,499	26th	140th of 446
Income inequality (Gini)	0.404	0.469	0.456	0.483	23rd	226th of 438
Rent-burdened renters	42.4%	51.6%	51.5%	51.1%	22nd	275th of 404
Healthcare workers	7.4%	8.3%	9%	9.7%	20th	257th of 444
Uninsured rateStrength	3.2%	7%	6.3%	8.4%	14th	254th of 444
Poverty rateStrength	5.2%	7.5%	9.4%	12.5%	13th	272nd of 441
Housing vacancy	1.3%	4.3%	7.7%	10.1%	1st	383rd of 441

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

14%

5–17

18–24

13%

25–34

15%

35–44

11%

45–54

16%

55–64

11%

65–74

75+

Median age

41.3

Under 18

20.7%

65 and over

19.6%

Race and ethnicity

White44%
Black16%
Hispanic12%
Asian21%
Native American0.4%
Pacific Islander0%
Other0.9%
Multiracial6%

Diversity index

71.9

U.S. 61.4

Foreign-born

31.7%

U.S. 14.1%

Born in state

28.9%

Language spoken at home (households)

English only

55%

Spanish

10%

Other Indo-European

11%

Asian / Pacific

17%

Other

Households

Households: 6,437
Average household size: 2.7
Family households: 71.6%
Married couples: 59.5%
Living alone: 22.8%
Veterans (of adults): 6.1%
Male / female: 47% / 53%

Income and poverty

Household income distribution

<$25k

$25–50k

$50–75k

10%

$75–100k

$100–150k

23%

$150–200k

18%

$200k+

32%

Median household income

20855

$149,110

Montgomery Co.

$132,450

Maryland

$103,678

United States

$80,734

Per capita income

$69,847

U.S. $44,673

Poverty rate

5.2%

U.S. 12.5%

Households earning $150K+

49.6%

U.S. 23%

Income inequality (Gini)

0.404

U.S. 0.483

Housing

Median home value

20855

$640,300

Montgomery Co.

$640,300

Maryland

$419,900

United States

$332,700

Median gross rent

20855

$2,413

Montgomery Co.

$2,068

Maryland

$1,705

United States

$1,413

Types of housing

Single-family

83%

2–4 units

5–19 units

20+ units

14%

Mobile home

Boat, RV, van

Housing units: 6,525
Owner-occupied: 74.4%
Vacant: 1.3%
Median year built: 1983
Median rooms: 7.8
Renters paying 30%+ of income: 42.4%
Renters paying 50%+ of income: 14.8%
Home value to income: 4.3× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

52%

Carpooled

Transit

Walked

0.7%

Bicycle

0.3%

Worked from home

30%

Other

Commute time (one way)

<10 min

10–19

24%

20–29

13%

30–44

27%

45–59

11%

60+

19%

Average commute

35.2 min

U.S. 26.4 min

Unemployment

U.S. 5.2%

In labor force

71%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management

17%

Engineering and science

11%

Computer and math

10%

Business and finance

Office and admin

Healthcare

Education

Cleaning and personal care

Sales

Legal and social services

Arts, media and sports

Construction and repair

Transportation and moving

Food service

Police and fire

Production

0.7%

Farming, fishing and forestry

0.3%

Industries

Professional and technical services

23%

Public administration

14%

Health care and social assistance

14%

Education

10%

Other services

Finance, insurance and real estate

Retail

Construction

Manufacturing

Admin, support and management

Information

Restaurants and hotels

Transportation, warehousing and utilities

Arts and recreation

Wholesale

0.4%

Agriculture and mining

0.1%

Median earnings per worker

$80,543

U.S. $49,666

Self-employed

9.3%

U.S. 10%

Government workers

27.7%

U.S. 14.5%

Nonprofit workers

10.9%

U.S. 8.8%

Median earnings by type of work

Type of work	20855	U.S.
Management, business, science and arts	$106,310	$74,888
Service	$35,857	$26,804
Sales and office	$49,433	$40,476
Construction and maintenance	$43,586	$49,199
Production and transportation	$32,404	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

10%

Some college

15%

Associate's

Bachelor's

33%

Graduate

34%

High school graduate or higher: 95.8%
Bachelor's degree or higher: 66.8%
Graduate or professional degree: 34.2%
Households with broadband: 97.2%
Cable, fiber or DSL: 91.1%
No internet access: 2.5%
Without health insurance: 3.2%
Limited-English households: 7.6%

Geography

City (USPS): Derwood
State: Maryland
County: Montgomery County
Center point: 39.1370° N, 77.1318° W
Land area: 13 sq mi
Water area: 0.2 sq mi
Time zone: Eastern Time (UTC-5, UTC-4 in summer)
Zip type: Residential delivery area

Cities and towns within this zip

Redland (unincorporated)49% of zip
Derwood (unincorporated)5% of zip

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

Zip codes near 20855

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
20880	Washington Grove, MD	2.3 mi	577	$134,583	$612,700
20879	Gaithersburg, MD	2.7 mi	25,264	$112,104	$468,100
20832	Olney, MD	3 mi	25,553	$168,524	$627,000
20853	Rockville, MD	3.1 mi	31,851	$159,080	$631,900
20877	Gaithersburg, MD	3.2 mi	38,546	$92,800	$474,800
20883	Gaithersburg, MD · PO box	3.6 mi	—	—	—
20830	Olney, MD · PO box	3.7 mi	—	—	—
20847	Rockville, MD · PO box	3.8 mi	—	—	—
20849	Rockville, MD · PO box	3.8 mi	—	—	—
20857	Rockville, MD · PO box	3.8 mi	—	—	—
20813	Bethesda, MD · PO box	4.1 mi	—	—	—
20827	Bethesda, MD · PO box	4.1 mi	—	—	—

Zip codes like 20855 elsewhere

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

Questions about 20855

What city is zip code 20855?

20855 is assigned to Derwood, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 20855 in?

20855 is in Montgomery County, Maryland.

What is the population of 20855?

About 17,279 people live in 20855, according to the Census Bureau's American Community Survey.

What time zone is 20855 in?

20855 is in Eastern Time.

What is the median household income in 20855?

The median household income in 20855 is $149,110.

What zip codes are near 20855?

The closest zip codes to 20855 are 20880, 20879, 20832, 20853, 20877.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 20855, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.