ZipCodeLook
20850

Zip code 20850: Rockville, Maryland

Residential delivery areaMontgomery CountyEastern Time
Population
50,353
Median household income
$126K
U.S. $81K
Median home value
$714K
U.S. $333K
Median rent
$2,309/mo
U.S. $1,413
Median age
41.2
U.S. 38.9
Land area
14 sq mi
3,567 people/sq mi

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

About 20850

20850 is an urban zip code in Rockville, Maryland (Montgomery County), covering 14 sq mi of land. About 50,353 people live here, or 3,567 per square mile. The median resident is 41.2 years old, compared with 38.9 nationally.

The median household earns $125,950 a year, 56% above the national median of $80,734. 6.9% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $714,400, or 5.7 years of median household income (U.S.: 4.1 years), which makes homes relatively expensive for local earners. 50% of occupied homes are lived in by their owners, and renters pay a median of $2,309 a month.

68% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 30.1 minutes each way, and 34% of workers work from home. The most common jobs among working residents are in management; engineering and science; and computer and math (tech). 46% of households speak a language other than English at home, most often an Asian or Pacific Island language.

How 20850 compares

Sorted from highest to lowest national percentile

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

Median age
41.2
Under 18
18.5%
65 and over
20.4%

Race and ethnicity

  • White41%
  • Black12%
  • Hispanic13%
  • Asian28%
  • Native American0.1%
  • Pacific Islander0.0%
  • Other1%
  • Multiracial5%
Diversity index
71.9
U.S. 61.4
Foreign-born
36.1%
U.S. 14.1%
Born in state
21.5%

Language spoken at home (households)

English only
54%
Spanish
9%
Other Indo-European
13%
Asian / Pacific
19%
Other
5%

Households

Households
21,159
Average household size
2.3
Family households
60.3%
Married couples
47.4%
Living alone
32.1%
Veterans (of adults)
4.9%
Male / female
46% / 54%

Income and poverty

Household income distribution

<$25k
9%
$25–50k
10%
$50–75k
10%
$75–100k
11%
$100–150k
20%
$150–200k
15%
$200k+
25%

Median household income

20850
$125,950
Montgomery Co.
$132,450
Maryland
$103,678
United States
$80,734
Per capita income
$68,066
U.S. $44,673
Poverty rate
6.9%
U.S. 12.5%
Households earning $150K+
40.3%
U.S. 23%
Income inequality (Gini)
0.430
U.S. 0.483

Housing

Median home value

20850
$714,400
Montgomery Co.
$640,300
Maryland
$419,900
United States
$332,700

Median gross rent

20850
$2,309
Montgomery Co.
$2,068
Maryland
$1,705
United States
$1,413

Types of housing

Single-family
49%
2–4 units
2%
5–19 units
15%
20+ units
33%
Mobile home
0.3%
Boat, RV, van
0%
Housing units
22,418
Owner-occupied
50.3%
Vacant
5.6%
Median year built
1996
Median rooms
5
Renters paying 30%+ of income
50.5%
Renters paying 50%+ of income
20.3%
Home value to income
5.7× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone
48%
Carpooled
5%
Transit
9%
Walked
2%
Bicycle
0.2%
Worked from home
34%
Other
2%

Commute time (one way)

<10 min
10%
10–19
25%
20–29
17%
30–44
24%
45–59
13%
60+
11%
Average commute
30.1 min
U.S. 26.4 min
Unemployment
4.6%
U.S. 5.2%
In labor force
66.9%
U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management
13%
Engineering and science
11%
Computer and math
11%
Business and finance
9%
Education
8%
Healthcare
8%
Office and admin
8%
Sales
7%
Legal and social services
5%
Cleaning and personal care
4%
Construction and repair
4%
Arts, media and sports
4%
Food service
3%
Transportation and moving
3%
Police and fire
2%
Production
0.9%
Farming, fishing and forestry
0.2%

Industries

Professional and technical services
21%
Public administration
14%
Health care and social assistance
12%
Education
10%
Retail
7%
Finance, insurance and real estate
7%
Other services
5%
Construction
5%
Manufacturing
4%
Restaurants and hotels
4%
Information
3%
Arts and recreation
3%
Admin, support and management
3%
Transportation, warehousing and utilities
3%
Wholesale
1%
Agriculture and mining
0.2%
Median earnings per worker
$82,556
U.S. $49,666
Self-employed
7.3%
U.S. 10%
Government workers
25.7%
U.S. 14.5%
Nonprofit workers
12.3%
U.S. 8.8%

Median earnings by type of work

Type of work20850U.S.
Management, business, science and arts$108,362$74,888
Service$30,846$26,804
Sales and office$41,599$40,476
Construction and maintenance$54,549$49,199
Production and transportation$34,349$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma
6%
High school
9%
Some college
12%
Associate's
6%
Bachelor's
29%
Graduate
39%
High school graduate or higher
94.4%
Bachelor's degree or higher
67.5%
Graduate or professional degree
38.6%
Households with broadband
95.8%
Cable, fiber or DSL
89.5%
No internet access
2.3%
Without health insurance
4.7%
Limited-English households
10.3%

Geography

City (USPS)
Rockville
Center point
39.0892° N, 77.1804° W
Land area
14 sq mi
Water area
0.1 sq mi
Time zone
Eastern Time (UTC-5, UTC-4 in summer)
Zip type
Residential delivery area

Cities and towns within this zip

  • Rockville54% of zip
  • Travilah (unincorporated)19% of zip
  • North Potomac (unincorporated)10% of zip

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

Zip codes near 20850

ZipCityDistanceIncome
20883Gaithersburg · PO box1.3 mi—
20847Rockville · PO box1.5 mi—
20849Rockville · PO box1.5 mi—
20857Rockville · PO box1.5 mi—
20851Rockville3.3 mi$126,411
20877Gaithersburg3.6 mi$92,800
20880Washington Grove3.6 mi$134,583
20852Rockville4 mi$122,472
20813Bethesda · PO box4.1 mi—
20827Bethesda · PO box4.1 mi—
20848Rockville · PO box4.1 mi—
20859Potomac · PO box4.1 mi—

Zip codes like 20850 elsewhere

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

Questions about 20850

What city is zip code 20850?

20850 is assigned to Rockville, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 20850 in?

20850 is in Montgomery County, Maryland.

What is the population of 20850?

About 50,353 people live in 20850, according to the Census Bureau's American Community Survey.

What time zone is 20850 in?

20850 is in Eastern Time.

What is the median household income in 20850?

The median household income in 20850 is $125,950.

What zip codes are near 20850?

The closest zip codes to 20850 are 20883, 20847, 20849, 20857, 20851.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 20850, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.