20842

Zip code 20842: Dickerson, Maryland

Q: What city is zip code 20842?

20842 is assigned to Dickerson, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 20842 in?

20842 is mostly in Montgomery County, but it extends into 1 other county.

Q: What is the population of 20842?

About 2,369 people live in 20842, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 20842?

The median household income in 20842 is $204,013.

Q: What zip codes are near 20842?

The closest zip codes to 20842 are 20839, 20838, 20841, 20837, 21790.

Residential delivery areaMontgomery CountyEastern Time

Population

2,369

Median household income

$204K

U.S. $81K

Median home value

$746K

U.S. $333K

Median rent

$1,777/mo

U.S. $1,413

Median age

48.5

U.S. 38.9

Land area

56 sq mi

43 people/sq mi

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

About 20842

20842 is a rural zip code in Dickerson, Maryland (Montgomery County), covering 56 sq mi of land. About 2,369 people live here, or 43 per square mile. The median resident is 48.5 years old, compared with 38.9 nationally.

The median household earns $204,013 a year, about 2.5× the national median of $80,734. 1.2% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $745,800, or 3.7 years of median household income (U.S.: 4.1 years), which makes homes about as affordable as the national average for local earners. 82% of occupied homes are lived in by their owners, and renters pay a median of $1,777 a month.

52% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 41.3 minutes each way, and 23% of workers work from home. The most common jobs among working residents are in management; business and finance; and construction and repair. 25% of households speak a language other than English at home, most often Spanish.

How 20842 compares

Sorted from highest to lowest national percentile

Median household income$204,013
99th
StrengthU.S. $80,734 · MD $103,67824th of 414 in MD
Average commute41.3 min
98th
WeaknessU.S. 26.4 min · MD 31.1 min40th of 421 in MD
Median earnings per worker$99,545
98th
StrengthU.S. $49,666 · MD $61,20036th of 443 in MD
Per capita income$82,106
96th
StrengthU.S. $44,673 · MD $52,97932nd of 446 in MD
Government workers26.4%
96th
U.S. 14.5% · MD 22.5%119th of 444 in MD
Median age48.5
93rd
U.S. 38.9 · MD 39.493rd of 446 in MD
Tech workers7.1%
91st
U.S. 3.8% · MD 6.4%121st of 444 in MD
Median home value$745,800
89th
U.S. $332,700 · MD $419,90032nd of 421 in MD
Work from home23.2%
85th
U.S. 15.1% · MD 19.3%116th of 444 in MD
Homeownership rate82.4%
84th
StrengthU.S. 65.2% · MD 67.6%215th of 441 in MD
Bachelor's degree or higher52%
82nd
StrengthU.S. 35.7% · MD 43.4%106th of 445 in MD
Self-employed workers12%
77th
U.S. 10% · MD 8.7%127th of 444 in MD
Veterans7.7%
74th
U.S. 6.2% · MD 6.8%185th of 446 in MD
Median gross rent$1,777
72nd
U.S. $1,413 · MD $1,705126th of 338 in MD
Foreign-born residents17.9%
71st
U.S. 14.1% · MD 16.6%76th of 446 in MD
Residents under 1823.6%
64th
U.S. 22% · MD 22.2%142nd of 446 in MD
Broadband access93.3%
60th
U.S. 91% · MD 92.4%219th of 441 in MD
Diversity index53.3
58th
U.S. 61.4 · MD 67.7153rd of 446 in MD
Housing vacancy6.2%
46th
U.S. 10.1% · MD 7.7%197th of 441 in MD
Residents 65 and older14.5%
34th
U.S. 17.2% · MD 16.7%327th of 446 in MD
Income inequality (Gini)0.413
31st
U.S. 0.483 · MD 0.456186th of 438 in MD
Uninsured rate3.9%
21st
U.S. 8.4% · MD 6.3%213th of 444 in MD
Rent-burdened renters35%
9th
StrengthU.S. 51.1% · MD 51.5%311th of 404 in MD
Healthcare workers6%
8th
U.S. 9.7% · MD 9%314th of 444 in MD
Population density43/sq mi
6th
U.S. 95/sq mi · MD 639/sq mi410th of 446 in MD
Population2,369
4th
U.S. 334,922,499 · MD 6,206,011299th of 446 in MD
Poverty rate1.2%
1st
StrengthU.S. 12.5% · MD 9.4%400th of 441 in MD
Unemployment rate0.5%
1st
StrengthU.S. 5.2% · MD 4.9%386th of 444 in MD

Measure	20842	Montgomery	MD	U.S.	National percentile	Rank in MD
Median household incomeStrength	$204,013	$132,450	$103,678	$80,734	99th	24th of 414
Average commuteWeakness	41.3 min	31.9 min	31.1 min	26.4 min	98th	40th of 421
Median earnings per workerStrength	$99,545	$71,294	$61,200	$49,666	98th	36th of 443
Per capita incomeStrength	$82,106	$67,571	$52,979	$44,673	96th	32nd of 446
Government workers	26.4%	21.5%	22.5%	14.5%	96th	119th of 444
Median age	48.5	40.2	39.4	38.9	93rd	93rd of 446
Tech workers	7.1%	8.2%	6.4%	3.8%	91st	121st of 444
Median home value	$745,800	$640,300	$419,900	$332,700	89th	32nd of 421
Work from home	23.2%	28.3%	19.3%	15.1%	85th	116th of 444
Homeownership rateStrength	82.4%	65.3%	67.6%	65.2%	84th	215th of 441
Bachelor's degree or higherStrength	52%	60.6%	43.4%	35.7%	82nd	106th of 445
Self-employed workers	12%	11%	8.7%	10%	77th	127th of 444
Veterans	7.7%	4.2%	6.8%	6.2%	74th	185th of 446
Median gross rent	$1,777	$2,068	$1,705	$1,413	72nd	126th of 338
Foreign-born residents	17.9%	33.6%	16.6%	14.1%	71st	76th of 446
Residents under 18	23.6%	22.8%	22.2%	22%	64th	142nd of 446
Broadband access	93.3%	95.7%	92.4%	91%	60th	219th of 441
Diversity index	53.3	74.1	67.7	61.4	58th	153rd of 446
Housing vacancy	6.2%	4.3%	7.7%	10.1%	46th	197th of 441
Residents 65 and older	14.5%	17%	16.7%	17.2%	34th	327th of 446
Income inequality (Gini)	0.413	0.469	0.456	0.483	31st	186th of 438
Uninsured rate	3.9%	7%	6.3%	8.4%	21st	213th of 444
Rent-burdened rentersStrength	35%	51.6%	51.5%	51.1%	9th	311th of 404
Healthcare workers	6%	8.3%	9%	9.7%	8th	314th of 444
Population density	43/sq mi	2,162/sq mi	639/sq mi	95/sq mi	6th	410th of 446
Population	2,369	1,065,949	6,206,011	334,922,499	4th	299th of 446
Poverty rateStrength	1.2%	7.5%	9.4%	12.5%	1st	400th of 441
Unemployment rateStrength	0.5%	4.9%	4.9%	5.2%	1st	386th of 444

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

19%

5–17

18–24

25–34

35–44

16%

45–54

25%

55–64

11%

65–74

75+

Median age

48.5

Under 18

23.6%

65 and over

14.5%

Race and ethnicity

White65%
Black10%
Hispanic16%
Asian3%
Native American0%
Pacific Islander0%
Other0.7%
Multiracial5%

Diversity index

53.3

U.S. 61.4

Foreign-born

17.9%

U.S. 14.1%

Born in state

41.7%

Language spoken at home (households)

English only

75%

Spanish

15%

Other Indo-European

Asian / Pacific

Other

Households

Households: 802
Average household size: 3
Family households: 82.8%
Married couples: 70.1%
Living alone: 16%
Veterans (of adults): 7.7%
Male / female: 48% / 52%

Income and poverty

Household income distribution

<$25k

$25–50k

$50–75k

$75–100k

$100–150k

10%

$150–200k

12%

$200k+

56%

Median household income

20842

$204,013

Montgomery Co.

$132,450

Maryland

$103,678

United States

$80,734

Per capita income

$82,106

U.S. $44,673

Poverty rate

1.2%

U.S. 12.5%

Households earning $150K+

67.7%

U.S. 23%

Income inequality (Gini)

0.413

U.S. 0.483

Housing

Median home value

20842

$745,800

Montgomery Co.

$640,300

Maryland

$419,900

United States

$332,700

Median gross rent

20842

$1,777

Montgomery Co.

$2,068

Maryland

$1,705

United States

$1,413

Types of housing

Single-family

94%

2–4 units

5–19 units

20+ units

Mobile home

Boat, RV, van

Housing units: 855
Owner-occupied: 82.4%
Vacant: 6.2%
Median year built: 1979
Median rooms: 6.9
Renters paying 30%+ of income: 35%
Renters paying 50%+ of income: 0%
Home value to income: 3.7× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

65%

Carpooled

Transit

Walked

Bicycle

Worked from home

23%

Other

0.3%

Commute time (one way)

<10 min

10–19

11%

20–29

11%

30–44

30%

45–59

13%

60+

32%

Average commute

41.3 min

U.S. 26.4 min

Unemployment

0.5%

U.S. 5.2%

In labor force

68.2%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management

20%

Business and finance

11%

Construction and repair

Cleaning and personal care

Computer and math

Office and admin

Sales

Healthcare

Legal and social services

Transportation and moving

Food service

Police and fire

Education

Engineering and science

Production

Arts, media and sports

Farming, fishing and forestry

0.5%

Industries

Professional and technical services

22%

Public administration

15%

Education

10%

Health care and social assistance

Construction

Finance, insurance and real estate

Other services

Agriculture and mining

Retail

Arts and recreation

Manufacturing

Restaurants and hotels

Wholesale

Transportation, warehousing and utilities

Admin, support and management

0.5%

Information

0.4%

Median earnings per worker

$99,545

U.S. $49,666

Self-employed

12%

U.S. 10%

Government workers

26.4%

U.S. 14.5%

Nonprofit workers

8.7%

U.S. 8.8%

Median earnings by type of work

Type of work	20842	U.S.
Management, business, science and arts	$125,208	$74,888
Service	$21,480	$26,804
Sales and office	$88,575	$40,476
Construction and maintenance	$63,500	$49,199
Production and transportation	$39,464	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

21%

Some college

17%

Associate's

Bachelor's

25%

Graduate

27%

High school graduate or higher: 93.3%
Bachelor's degree or higher: 52%
Graduate or professional degree: 27%
Households with broadband: 93.3%
Cable, fiber or DSL: 53.2%
No internet access: 6%
Without health insurance: 3.9%
Limited-English households: 0%

Geography

City (USPS): Dickerson
State: Maryland
County: Montgomery County
Center point: 39.1999° N, 77.4153° W
Land area: 56 sq mi
Water area: 2.4 sq mi
Time zone: Eastern Time (UTC-5, UTC-4 in summer)
Zip type: Residential delivery area

20842 spans 2 counties

Montgomery County78% of land
Frederick County23% of land

Zip codes near 20842

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
20839	Beallsville, MD	1.5 mi	158	$160,329	$950,000
20838	Barnesville, MD	2.9 mi	306	$250,000+	$775,700
20841	Boyds, MD	5.1 mi	9,969	$184,688	$782,500
20837	Poolesville, MD	5.8 mi	6,699	$174,063	$772,300
21790	Tuscarora, MD	6.4 mi	170	$77,656	—
20176	Leesburg, VA	6.5 mi	51,471	$168,299	$747,100
21710	Adamstown, MD	7.5 mi	4,661	$163,864	$591,100
20874	Germantown, MD	7.6 mi	62,738	$115,022	$399,000
21777	Point Of Rocks, MD	8.2 mi	2,462	$159,708	$480,500
20871	Clarksburg, MD	8.2 mi	30,182	$177,523	$668,800
21717	Buckeystown, MD	9.6 mi	245	$158,413	$430,600
20876	Germantown, MD	9.7 mi	26,406	$119,731	$487,300

Zip codes like 20842 elsewhere

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

Questions about 20842

What city is zip code 20842?

20842 is assigned to Dickerson, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 20842 in?

20842 is mostly in Montgomery County, but it extends into 1 other county.

What is the population of 20842?

About 2,369 people live in 20842, according to the Census Bureau's American Community Survey.

What time zone is 20842 in?

20842 is in Eastern Time.

What is the median household income in 20842?

The median household income in 20842 is $204,013.

What zip codes are near 20842?

The closest zip codes to 20842 are 20839, 20838, 20841, 20837, 21790.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 20842, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.