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Montgomery County, MD Demographics & ZIP Codes

Montgomery County, Maryland demographics and median household income by ZIP code — 48 ZIP codes — population 1,068,171 — avg. income $151,216 — avg. home value $710,211. Compare income, housing, and ZIP-level data on US5.

ZIP codes
48
Population
1,068,171
Median household income (avg.)
$151,216
201% of U.S. median
Average home value
$710,211
204% of U.S. median
Average rent
$1,970
169% of U.S. median
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Montgomery County demographics

Montgomery County, Maryland covers 48 ZIP codes, with a combined ZIP-area population of about 1,068,171.

Median household income in Montgomery County

The average median household income across ZIP codes in Montgomery County, Maryland is about $151,216 — about 35% above the MD ZIP average ($111,660), and about 101% above the U.S. median ($75,149).

Among ZIPs with income data, 20854 (Potomac) is near the top at about $250,001, while 20899 (Gaithersburg) is near the bottom at about $23,917.

Housing in Montgomery County

For housing in Montgomery County, Maryland, the average median home value is about $710,211 and the average median rent is about $1,970.

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

ZIP codes in Montgomery County

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

CityCountyState
20906Aspen HillMontgomery CountyMD71,216$92,964$440,600
20878GaithersburgMontgomery CountyMD65,236$142,062$675,200
20874DarnestownMontgomery CountyMD62,233$109,648$385,300
20904ColesvilleMontgomery CountyMD57,244$93,322$533,500
20902WheatonMontgomery CountyMD53,170$111,408$531,200
20850RockvilleMontgomery CountyMD50,365$122,691$687,200
20854PotomacMontgomery CountyMD49,694$250,001$1,105,300
20852North BethesdaMontgomery CountyMD47,857$121,496$646,100
20910Silver SpringMontgomery CountyMD45,096$107,994$690,900
20877GaithersburgMontgomery CountyMD39,068$86,103$462,500
20817BethesdaMontgomery CountyMD37,738$240,104$1,142,300
20901Silver SpringMontgomery CountyMD37,338$127,133$571,300
20886Montgomery VillageMontgomery CountyMD34,419$98,767$366,400
20853Aspen HillMontgomery CountyMD31,438$157,168$605,800
20815Chevy ChaseMontgomery CountyMD31,269$198,243$1,230,700
20814BethesdaMontgomery CountyMD30,822$150,401$976,500
20871ClarksburgMontgomery CountyMD28,329$177,120$628,800
20876GermantownMontgomery CountyMD26,511$113,329$456,500
20879Flower HillMontgomery CountyMD26,120$105,109$433,500
20832OlneyMontgomery CountyMD25,766$166,892$601,300
20903HillandaleMontgomery CountyMD25,540$77,349$467,900
20912Takoma ParkMontgomery CountyMD25,428$82,097$671,400
20895South KensingtonMontgomery CountyMD19,042$169,527$744,000
20905CloverlyMontgomery CountyMD18,268$155,023$640,400
20816BethesdaMontgomery CountyMD18,081$231,284$1,166,100
20855RedlandMontgomery CountyMD16,557$147,708$614,900
20866BurtonsvilleMontgomery CountyMD16,499$134,682$434,400
20851RockvilleMontgomery CountyMD14,660$113,951$523,800
20882DamascusMontgomery CountyMD13,661$186,964$705,800
20872DamascusMontgomery CountyMD13,138$132,804$478,300
20841Ten Mile CreekMontgomery CountyMD9,706$184,276$771,400
20833OlneyMontgomery CountyMD7,868$203,631$762,200
20837PoolesvilleMontgomery CountyMD6,605$191,927$701,000
20861Ashton-Sandy SpringMontgomery CountyMD3,020$176,094$956,200
20842—Montgomery CountyMD2,093$166,389$709,300
20860Ashton-Sandy SpringMontgomery CountyMD2,062—$665,000
20818Cabin JohnMontgomery CountyMD1,602$221,392$1,273,300
20896Garrett ParkMontgomery CountyMD890$250,001$994,200
20880Washington GroveMontgomery CountyMD590$160,417$594,200
20838BarnesvilleMontgomery CountyMD409$223,571$807,100
20862Ashton-Sandy SpringMontgomery CountyMD393$242,721$804,200
20868BurtonsvilleMontgomery CountyMD384$109,554$564,800
20812Glen EchoMontgomery CountyMD314$195,000$1,128,500
20889BethesdaMontgomery CountyMD210——
20839—Montgomery CountyMD116$101,250$900,000
20899GaithersburgMontgomery CountyMD106$23,917—
20892BethesdaMontgomery CountyMD———
20894BethesdaMontgomery CountyMD———

Frequently asked questions

What are the demographics of Montgomery County?

Montgomery County, Maryland has a combined ZIP-area population of about 1,068,171 across 48 ZIP codes. Browse the ZIP table for population, income, and housing by code.

What is the median household income in Montgomery County?

The average median household income across ZIP codes in Montgomery County, Maryland is about $151,216, about 35% above the state ZIP average ($111,660), and about 101% above the U.S. median ($75,149). Average median home value is about $710,211. Among ZIPs with data, 20854 (Potomac) is near the top ($250,001) and 20899 (Gaithersburg) is near the bottom ($23,917).

How many ZIP codes are in Montgomery County?

Montgomery County, Maryland includes 48 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.

Where can I find ZIP code demographics for Montgomery County?

This page lists ZIP codes in Montgomery County, Maryland with population, median household income, and home value. Select a ZIP for a full demographics profile.