Maryland ZIP Codes
Maryland ZIP code list — 441 ZIP codes across 24 counties and 339 cities. Search by city or filter by county.
441
ZIP codes
24
counties
339
cities
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| ZIP code | City | County | Map |
|---|
About Maryland ZIP codes
Maryland is served by 441 ZIP codes that span 24 counties and 339 cities, ranging from 20588 in the D.C. suburbs to 21921 near the northeastern border with Delaware and Pennsylvania. The state's ZIP codes begin with prefixes 205 through 219, reflecting a postal geography shaped by two major metropolitan anchors: Washington, D.C. and Baltimore. Montgomery County holds the highest concentration with 52 ZIP codes, followed closely by Anne Arundel and Prince George's counties. Whether you're navigating the bustling corridors of the Baltimore Beltway or the quieter communities along the Chesapeake Bay, Maryland's ZIP code system provides organized coverage across one of America's most geographically diverse states.
Maryland ZIP codes primarily begin with the prefixes 205 through 219, covering the state from the Washington, D.C. suburbs in the south and west to the Chesapeake Bay region and the Eastern Shore. The 207–209 prefixes generally serve the southern and central parts of the state including the D.C. metropolitan area, while 210–219 cover Baltimore and the northern and western regions. This distribution reflects Maryland's unique geography as a state that wraps around the nation's capital and stretches from the Appalachian Mountains to the Atlantic coast.
Montgomery County leads Maryland with 52 ZIP codes, which reflects its status as the state's most populous county and a major suburban hub of the Washington, D.C. metropolitan area, encompassing large cities like Rockville, Bethesda, Silver Spring, and Germantown.
Quick facts
- Maryland's ZIP code range begins at 20588, which is assigned to the National Naval Medical Center area in Bethesda, illustrating how certain federal facilities receive their own dedicated ZIP codes.
- Baltimore alone uses more than 40 ZIP codes, many starting with 212, making it one of the most ZIP-code-dense cities on the East Coast relative to its geographic size.
- The ZIP code prefix 206 is exclusively reserved for government and military use in the greater Washington, D.C. area, reflecting Maryland's close ties to the federal government.
Frequently asked questions
What ZIP codes are in Baltimore, Maryland?
Baltimore uses a large number of ZIP codes, predominantly in the 212xx range. Some of the most well-known include 21201 and 21202 in downtown Baltimore, 21205 in East Baltimore, 21209 in the Roland Park area, 21211 in Hampden, 21217 in West Baltimore, and 21230 in Federal Hill. In total, Baltimore City is served by over 40 individual ZIP codes spanning from 21201 to 21298.
How many ZIP codes does Maryland have?
Maryland has a total of 441 ZIP codes. These ZIP codes span 24 counties and 339 cities across the state, providing postal coverage from the far western panhandle in Garrett County to the Atlantic coast of Worcester County on the Eastern Shore.
What do Maryland ZIP codes start with?
Maryland ZIP codes start with the prefixes 205, 206, 207, 208, 209, 210, 211, 212, 214, 215, 216, 217, 218, and 219. Generally, the 205–209 prefixes serve the southern and central portions of the state near Washington, D.C., while the 210–219 prefixes cover the Baltimore metropolitan area and the northern, western, and Eastern Shore regions of the state.
Which county in Maryland has the most ZIP codes?
Montgomery County has the most ZIP codes in Maryland with 52, followed by Anne Arundel County with 37 and Prince George's County with 36. These three counties are among the most populated in the state and are key parts of the Washington–Baltimore metropolitan corridor, which explains their high concentration of ZIP codes.
Looking for a downloadable Maryland ZIP code list? Our Gold Edition database includes all 441 MD ZIP codes with city, county, latitude, longitude, timezone, and FIPS codes — available in Excel, CSV, and Access formats.
Last updated April 2026
Demographics & statistics
6,126,531
Population
39.7
Median age
$105,229
Median household income
$49,998
Per capita income
$386,050
Median home value
$1,224
Median monthly rent
76.4%
Home ownership
8.0%
Poverty rate
4.7%
Unemployment
1,766,770
Housing units
38.2%
Bachelor's or higher
Age distribution
Male
Female
177,818
Under 5
180,065
184,994
5–9
187,331
194,978
10–14
197,440
191,668
15–19
194,089
186,786
20–24
189,145
407,221
25–34
412,365
403,116
35–44
408,207
397,093
45–54
402,109
210,689
55–59
213,350
201,891
60–64
204,442
287,992
65–74
291,629
141,113
75–84
142,896
58,681
85+
59,423
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 1,357,568 | 20.8% |
| 18 and over | 4,768,963 | 79.2% |
| 65 and over | 981,734 | 19.0% |
| Median age | 39.7 years | |
Race & ethnicity
White
47.1%
Black or African American
27.6%
Hispanic or Latino
7.9%
Asian
6%
Two or more races
5.8%
Other race
5.3%
American Indian / Alaska Native
0.3%
| Group | Count | % |
|---|---|---|
| White | 3,131,081 | 47.1% |
| Black or African American | 1,833,620 | 27.6% |
| Hispanic or Latino | 522,438 | 7.9% |
| Asian | 398,497 | 6% |
| Two or more races | 387,132 | 5.8% |
| Other race | 354,888 | 5.3% |
| American Indian / Alaska Native | 18,203 | 0.3% |
Household income
Under $10k
3.6%
$10k–$15k
2.4%
$15k–$25k
4.5%
$25k–$35k
5.2%
$35k–$50k
8.1%
$50k–$75k
13.5%
$75k–$100k
12.5%
$100k–$150k
19.3%
$150k–$200k
12.2%
$200k+
18.6%
| Range | % of households |
|---|---|
| Under $10k | 3.6% |
| $10k–$15k | 2.4% |
| $15k–$25k | 4.5% |
| $25k–$35k | 5.2% |
| $35k–$50k | 8.1% |
| $50k–$75k | 13.5% |
| $75k–$100k | 12.5% |
| $100k–$150k | 19.3% |
| $150k–$200k | 12.2% |
| $200k+ | 18.6% |
| Median income | $105,229 |
Housing
Home values
Under $50k
3.3%
$50k–$100k
3.5%
$100k–$150k
5.1%
$150k–$200k
6.4%
$200k–$300k
17.3%
$300k–$500k
33.6%
$500k–$1M
24.4%
$1M+
5.1%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $386,050 |
| Median rent / month | $1,224 |
| Owner occupied | 76.4% |
| Renter occupied | 23.6% |
| Vacant | 11.0% |
| Single-family detached | 70.3% |
| Large apartment buildings | 5.0% |
| Mobile homes | 2.9% |
| Median rooms | 6.7 |
| Avg household size (owned) | 2.62 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.4% |
| 2010–2019 | 7.3% |
| 2000–2009 | 12.9% |
| 1990–1999 | 14.3% |
| 1980–1989 | 14.6% |
| 1970–1979 | 13.3% |
| 1960–1969 | 9.9% |
| 1950–1959 | 8.7% |
| 1940–1949 | 4.7% |
| 1939 or earlier | 13.9% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 1.3% |
| 1 bedroom | 6.6% |
| 2 bedrooms | 18.0% |
| 3 bedrooms | 41.0% |
| 4 bedrooms | 24.0% |
| 5+ bedrooms | 9.2% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 5.6% |
| 1 vehicle | 26.7% |
| 2 vehicles | 38.5% |
| 3 or more | 29.2% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 25.9% |
| Electricity | 45.8% |
| Propane / LP gas | 8.6% |
| Fuel oil | 14.7% |
| Wood | 3.2% |
| Solar | 0.4% |
| No fuel used | 0.6% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 1,089,493 | 54.4% |
| Cohabiting couple | 144,892 | 6.1% |
| Male householder, no spouse | 387,440 | 15.1% |
| Female householder, no spouse | 689,325 | 24.4% |
| Households with children under 18 | 722,135 | 30.4% |
| Households with seniors (65+) | 699,809 | 34.2% |
| Average household size | 2.61 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 32.1% | 27.7% |
| Married | 55.1% | 51.1% |
| Separated | 1.6% | 1.6% |
| Widowed | 3.0% | 8.7% |
| Divorced | 8.0% | 10.9% |
Education
Less than 9th grade
3.0%
Some HS, no diploma
5.1%
HS graduate
27.5%
Some college, no degree
19.1%
Associate's degree
7.2%
Bachelor's degree
20.5%
Graduate / professional
17.7%
| Metric | % |
|---|---|
| HS diploma or higher | 91.9% |
| Bachelor's or higher | 38.2% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 90,857 | 6.1% |
| Kindergarten | 74,257 | 4.5% |
| Elementary school | 602,907 | 39.2% |
| High school | 319,747 | 22.7% |
| College / grad school | 431,717 | 25.0% |
Employment
Industry of employment
Education & healthcare
22.0%
Professional & management
14.9%
Public administration
11.0%
Retail trade
9.8%
Construction
8.7%
Arts, food & hospitality
7.2%
Manufacturing
5.6%
Finance & real estate
5.6%
Other services
5.0%
Transportation & utilities
4.7%
Wholesale trade
1.9%
Agriculture & mining
1.8%
Information
1.7%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 46.5% |
| Service | 15.0% |
| Sales & office | 19.3% |
| Natural resources & construction | 9.8% |
| Production & transportation | 9.3% |
Employment type
| Type | % |
|---|---|
| Private sector | 70.5% |
| Government | 22.8% |
| Self-employed | 6.5% |
| Unpaid family workers | 0.2% |
Commute
| Method | % |
|---|---|
| Drive alone | 71.5% |
| Carpool | 7.4% |
| Public transit | 3.1% |
| Walk | 2.2% |
| Other means | 1.3% |
| Avg commute (minutes) | 31.5 |
Poverty
All people
8.0%
Under 18 years
10.0%
18 and over
7.4%
Married-couple families
2.7%
Female-led households
14.8%
Income support
| Source | % of households |
|---|---|
| Social Security | 32.7% |
| Retirement income | 28.9% |
| Supplemental Security | 4.0% |
| Cash public assistance | 2.2% |
| Food stamps / SNAP | 9.3% |
Health indicators
| Condition | % |
|---|---|
| High blood pressure | 34.3% |
| High cholesterol | 33.5% |
| Heart disease | 5.7% |
| Stroke | 2.8% |
| Asthma | 9.6% |
| Arthritis | 24.3% |
| Kidney disease | 2.7% |
| Pulmonary disease | 5.8% |
| Cancer | 6.6% |
| Behavior / access | % |
|---|---|
| Binge drinking | 14.7% |
| No physical activity | 21.2% |
| Less than 7 hrs sleep | 33.0% |
| Fair or poor health | 12.1% |
| Poor mental health | 13.5% |
| Poor physical health | 8.5% |
| No health insurance | 10.4% |
| Visited doctor (checkup) | 75.9% |
| Visited dentist | 65.4% |
| Cholesterol screening | 91.4% |
| Teeth loss | 10.4% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 343,924 | 8.6% |
| Disability | % |
|---|---|
| Any disability | 12.1% |
| Under 18 | 4.3% |
| 18–64 years | 9.5% |
| 65 and over | 29.2% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 76.3% |
| Public insurance | 35.0% |
| Uninsured under 19 | 3.0% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 5,768,648 | 94.6% |
| Spanish | 424,267 | 4.5% |
| Other Indo-European | 225,368 | 2.5% |
| Asian & Pacific Islander | 75,147 | 0.7% |
| Other languages | 86,173 | 0.9% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 5,163,162 | 90.2% |
| Born in same state | 5,060,742 | 88.8% |
| Born in different state | 2,889,845 | 52.4% |
| Foreign born | 102,420 | 1.4% |
| Naturalized citizen | 963,369 | 9.8% |
| Not a US citizen | 524,416 | 54.4% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 583,271 | 9.5% |
| French | 482,930 | 7.9% |
| Arab | 267,023 | 4.4% |
| English | 34,819 | 0.6% |
| Polish | 28,299 | 0.5% |
| Ancestry | Count | % |
|---|---|---|
| Irish | 20,586 | 0.3% |
| Norwegian | 15,746 | 0.3% |
| German | 15,196 | 0.2% |
| Dutch | 9,317 | 0.2% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 38.6% |
| Internet access | 94.3% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.