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Maryland zip codes

Maryland has 605 zip codes across 431 cities and towns and 24 counties, home to about 6.2M people. 128 of them are PO box or single-organization codes with no residential area.

Population
6,206,011
639/sq mi
Median household income
$104K
U.S. $81K
Median home value
$420K
U.S. $333K
Median rent
$1,705
U.S. $1,413
Median age
39.4
U.S. 38.9
Poverty rate
9.4%
U.S. 12.5%

Top zip codes in Maryland

Zips with 1,000+ residents

Most populated

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  1. 120906Silver Spring70,595
  2. 221234Parkville66,334
  3. 320878Gaithersburg66,115
  4. 421740Hagerstown64,792
  5. 521117Owings Mills62,816

Highest median income

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  1. 120854Potomac$250,000+
  2. 220759Fulton$250,000+
  3. 321737Glenelg$250,000+
  4. 421738Glenwood$250,000+
  5. 520817Bethesda$249,332

Most expensive homes

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  1. 120818Cabin John$1,335,100
  2. 220815Chevy Chase$1,294,200
  3. 320816Bethesda$1,217,200
  4. 420817Bethesda$1,183,600
  5. 520854Potomac$1,165,400

Most affordable homes

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  1. 121205Baltimore$96,100
  2. 221562Westernport$98,500
  3. 321521Barton$107,500
  4. 421223Baltimore$110,600
  5. 521557Rawlings$123,300

Youngest

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  1. 120742College Park19 yrs
  2. 221250Baltimore19.9 yrs
  3. 321252Towson20 yrs
  4. 421402Annapolis21 yrs
  5. 520670Patuxent River22.9 yrs

Most college-educated

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  1. 120816Bethesda88.5%
  2. 220818Cabin John86.4%
  3. 320854Potomac85.7%
  4. 420817Bethesda85.6%
  5. 520814Bethesda84.7%

Largest cities

All 431 cities

Maryland at a glance

Compared with the U.S.

Household income distribution

<$25k
11%
$25–50k
12%
$50–75k
13%
$75–100k
12%
$100–150k
19%
$150–200k
12%
$200k+
20%

Highest education (adults 25+)

No diploma
9%
High school
23%
Some college
17%
Associate's
7%
Bachelor's
23%
Graduate
21%

How people get to work

Drove alone
65%
Carpooled
8%
Transit
4%
Walked
2%
Bicycle
0.3%
Worked from home
19%
Other
2%

At a glance

MDU.S.
Own their home67.6%65.2%
Bachelor's degree or higher43.4%35.7%
Work from home19.3%15.1%
Households with broadband92.4%91%
Without health insurance6.3%8.4%
Foreign-born16.6%14.1%
Veterans (of adults)6.8%6.2%
Unemployment4.9%5.2%
Average commute31.1 min26.4 min

Counties

24 total

All cities and towns

By the city name used for mail

All Maryland zip codes

605 total