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Maryland ZIP Codes & Demographics

Maryland ZIP codes, demographics, and median household income — 477 ZIP codes — population 6,170,363 — avg. income $111,660 — avg. home value $427,350. Compare counties, cities, and ZIP-level data on US5.

ZIP codes
477
Population
6,170,363
Median household income (avg.)
$111,660
149% of U.S. median
Average home value
$427,350
123% of U.S. median
Average rent
$1,415
Cities Counties Current time in Maryland Maryland map Inflation calculator

Maryland demographics

Maryland has 477 ZIP codes across 24 counties on US5, with a combined ZIP-area population of about 6,170,363.

Across ZIP codes with age data, the average median age is about 43.5 years.

Among cities represented in this ZIP set, Aspen Hill is among the largest population centers.

Median household income in Maryland

The average median household income across ZIP codes in Maryland is about $111,660 — about 49% above the U.S. median ($75,149).

Among ZIPs with income data, 20759 (Fulton) is near the top at about $250,001, while 20899 (Gaithersburg) is near the bottom at about $23,917.

Housing in Maryland

For housing in Maryland, the average median home value is about $427,350 and the average median rent is about $1,415.

The most populous ZIP is 20906 (Aspen Hill) with about 71,216 residents. Use the table below to compare ZIP codes across the state.

ZIP codes in Maryland

Sort by population, income, or home value. Click a column header to toggle ascending / descending.

ZIP City County State Population ↓ Income Home value
20906 Aspen Hill Montgomery County MD 71,216 $92,964 $440,600
20878 Gaithersburg Montgomery County MD 65,236 $142,062 $675,200
21234 Carney Baltimore County MD 65,010 $83,139 $276,000
21740 Hagerstown Washington County MD 63,140 $59,410 $241,600
20874 Darnestown Montgomery County MD 62,233 $109,648 $385,300
21122 Lake Shore Anne Arundel County MD 61,589 $121,732 $412,100
21117 Owings Mills Baltimore County MD 61,337 $100,934 $370,700
21222 Dundalk Baltimore County MD 58,935 $61,934 $200,800
20904 Colesville Montgomery County MD 57,244 $93,322 $533,500
21061 Glen Burnie Anne Arundel County MD 56,453 $86,081 $326,000
20744 Fort Washington Prince George's County MD 56,236 $124,838 $418,100
20902 Wheaton Montgomery County MD 53,170 $111,408 $531,200
20772 Croom Prince George's County MD 52,768 $135,576 $443,500
20774 Brock Hall Prince George's County MD 52,221 $128,392 $439,500
21215 Baltimore Baltimore city MD 52,078 $47,606 $189,900
20783 Adelphi Prince George's County MD 50,893 $87,052 $400,400
20850 Rockville Montgomery County MD 50,365 $122,691 $687,200
21206 Baltimore Baltimore city MD 49,901 $62,965 $213,700
20854 Potomac Montgomery County MD 49,694 $250,001 $1,105,300
21207 Lochearn Baltimore County MD 49,599 $64,284 $248,400
21228 Catonsville Baltimore County MD 49,417 $107,714 $389,200
20852 North Bethesda Montgomery County MD 47,857 $121,496 $646,100
21702 Frederick Frederick County MD 47,437 $104,659 $384,800
21043 Ellicott City Howard County MD 47,134 $141,846 $607,300
21224 Baltimore Baltimore city MD 46,949 $86,209 $281,400
21921 Elkton Cecil County MD 45,698 $84,608 $296,000
20910 Silver Spring Montgomery County MD 45,096 $107,994 $690,900
21218 Baltimore Baltimore city MD 44,903 $58,378 $229,800
21044 Columbia Howard County MD 44,775 $132,924 $541,100
21229 Baltimore Baltimore city MD 44,687 $55,457 $184,900
21221 Essex Baltimore County MD 43,536 $67,368 $266,800
20706 Lanham Prince George's County MD 43,225 $100,061 $408,600
21042 Ellicott City Howard County MD 43,021 $190,504 $674,700
21220 Middle River Baltimore County MD 42,936 $79,676 $279,900
21502 Cumberland Allegany County MD 41,810 $58,721 $151,400
21703 Ballenger Creek Frederick County MD 41,766 $105,293 $364,300
21701 Frederick Frederick County MD 41,340 $102,306 $404,900
20785 Summerfield Prince George's County MD 40,946 $83,690 $346,000
21045 Columbia Howard County MD 40,866 $117,323 $438,500
21157 Westminster Carroll County MD 40,191 $102,835 $394,100
20748 Camp Springs Prince George's County MD 40,094 $82,160 $355,600
21236 Perry Hall Baltimore County MD 39,653 $92,130 $306,800
21244 Milford Mill Baltimore County MD 39,545 $84,849 $271,200
21804 Salisbury Wicomico County MD 39,461 $68,882 $230,200
20743 Walker Mill Prince George's County MD 39,439 $76,332 $317,100
21060 Glen Burnie Anne Arundel County MD 39,225 $99,739 $352,800
21401 Parole Anne Arundel County MD 39,118 $119,296 $580,600
20877 Gaithersburg Montgomery County MD 39,068 $86,103 $462,500
21093 Timonium Baltimore County MD 38,895 $121,771 $466,200
21208 Pikesville Baltimore County MD 38,108 $90,822 $313,400
21113 Odenton Anne Arundel County MD 38,053 $125,081 $401,900
21014 Bel Air North Harford County MD 37,976 $113,825 $407,800
20735 Clinton Prince George's County MD 37,926 $123,125 $401,000
20747 Forestville Prince George's County MD 37,924 $72,931 $325,400
21784 Eldersburg Carroll County MD 37,813 $141,228 $478,200
20817 Bethesda Montgomery County MD 37,738 $240,104 $1,142,300
21144 Severn Anne Arundel County MD 37,372 $132,820 $468,400
20901 Silver Spring Montgomery County MD 37,338 $127,133 $571,300
21075 Elkridge Howard County MD 37,146 $133,321 $439,400
20740 College Park Prince George's County MD 36,564 $81,359 $417,100
20707 Laurel Prince George's County MD 36,549 $104,093 $411,200
20723 North Laurel Howard County MD 36,319 $129,870 $508,000
21227 Arbutus Baltimore County MD 35,695 $83,620 $272,400
21742 Fountainhead-Orchard Hills Washington County MD 35,114 $80,533 $280,100
20782 Chillum Prince George's County MD 34,646 $88,226 $431,300
21225 Brooklyn Park Anne Arundel County MD 34,469 $50,069 $214,000
20886 Montgomery Village Montgomery County MD 34,419 $98,767 $366,400
21136 Reisterstown Baltimore County MD 33,778 $106,559 $380,200
21230 Baltimore Baltimore city MD 33,509 $94,164 $327,700
21009 Bel Air South Harford County MD 33,444 $117,017 $335,100
21212 Baltimore Baltimore city MD 33,425 $96,752 $357,900
21771 Green Valley Frederick County MD 32,827 $154,844 $532,200
21403 Annapolis Neck Anne Arundel County MD 32,757 $115,068 $566,900
20603 Bensville Charles County MD 32,649 $137,138 $430,700
20784 New Carrollton Prince George's County MD 32,271 $84,599 $356,500
21133 Randallstown Baltimore County MD 31,847 $84,248 $302,000
20853 Aspen Hill Montgomery County MD 31,438 $157,168 $605,800
20815 Chevy Chase Montgomery County MD 31,269 $198,243 $1,230,700
21217 Baltimore Baltimore city MD 31,125 $37,207 $175,900
21237 Rosedale Baltimore County MD 30,851 $90,269 $280,400
20814 Bethesda Montgomery County MD 30,822 $150,401 $976,500
21209 Baltimore Baltimore County MD 30,766 $87,669 $418,800
21015 Bel Air South Harford County MD 30,451 $137,219 $418,400
20721 Woodmore Prince George's County MD 30,342 $167,689 $561,500
21801 Salisbury Wicomico County MD 30,063 $67,140 $286,800
20745 Glassmanor Prince George's County MD 29,518 $80,649 $351,500
20602 Waldorf Charles County MD 29,425 $108,733 $360,800
21239 Baltimore Baltimore city MD 28,635 $64,288 $191,200
21146 Severna Park Anne Arundel County MD 28,489 $169,835 $643,600
20871 Clarksburg Montgomery County MD 28,329 $177,120 $628,800
20770 Greenbelt Prince George's County MD 28,181 $84,125 $249,400
20705 Beltsville Prince George's County MD 28,119 $106,691 $423,000
21213 Baltimore Baltimore city MD 27,881 $50,031 $134,900
20746 Suitland Prince George's County MD 27,494 $78,391 $325,000
20601 Waldorf Charles County MD 27,340 $120,278 $380,700
21216 Baltimore Baltimore city MD 27,296 $46,440 $148,800
20653 Lexington Park St. Mary's County MD 26,799 $97,923 $341,900
20708 South Laurel Prince George's County MD 26,599 $83,457 $431,500
20715 Bowie Prince George's County MD 26,519 $139,962 $437,600
20876 Germantown Montgomery County MD 26,511 $113,329 $456,500

Frequently asked questions

How many ZIP codes are in Maryland?

Maryland has 477 ZIP codes on US5 across 24 counties. Each row links to demographics, median income, and housing for that code.

What are the demographics of Maryland?

Maryland has a combined ZIP-area population of about 6,170,363 across 477 ZIP codes. Browse the table on this page for population, income, and housing by ZIP.

What is the median household income in Maryland?

The average median household income across ZIP codes in Maryland is about $111,660, about 49% above the U.S. median ($75,149). Average median home value is about $427,350. Among ZIPs with data, 20759 (Fulton) is near the top ($250,001) and 20899 (Gaithersburg) is near the bottom ($23,917).

Where can I find ZIP code lists for Maryland?

This page lists ZIP codes in Maryland with population, median household income, and home value. Sort the table or open a ZIP for a full demographics profile.

ZIP rankings in Maryland

Explore curated boards for highest income, largest population, and most affordable home values.

Richest ZIP codes Most populous Most affordable Easiest to buy Lowest poverty Highest education Highest WFH Most walkable Highest climate risk Strongest inflow All rankings