County · Maryland

Montgomery County, Maryland

Montgomery County, Maryland. Montgomery County had 1,074,582 residents in 2025 by the Census Bureau's estimate, up 1.2% since 2020, in line with Maryland (+1.4%). It holds 59 places (19 cities, villages and boroughs and 40 census-designated) and 232 census tracts. GEOID 24031.

Montgomery County is one of the 23 counties of the Washington-Arlington-Alexandria, DC-VA-MD-WV metropolitan statistical area (the Census Bureau's July 2023 delineation).

Residents, July 2025 estimate

1,074,582

Census Bureau estimate (no margin published)
2020 Census count: 1,062,061 · ACS 2020-2024: 1,065,949

Median household income

$132,450

±$2,073 (90% margin)
Maryland: $103,678

Median home value

$640,300

±$5,098 (90% margin)
Maryland: $419,900

Median gross rent

$2,068

±$20 (90% margin)
Maryland: $1,705

How many people live in Montgomery County, and is it growing?

The 2020 Census counted 1,062,061 residents in Montgomery County. The Census Bureau estimates 1,074,582 for July 1, 2025, up 1.2% since 2020, in line with Maryland (+1.4%). The 2020-2024 American Community Survey puts the population at 1,065,949 over 493 square miles of land.

  • July 2020→2021 −5,057 (1,055,869)
  • 2021→2022 +2,677 (1,058,546)
  • 2022→2023 +5,823 (1,064,369)
  • 2023→2024 +8,676 (1,073,045)
  • 2024→2025 +1,537 (1,074,582)
Montgomery County in Maryland. Boundaries: Census Bureau 2024.
Counts, ACS 2020-2024 5-year estimates, with the change from 2015-2019
MeasureMontgomery CountyMarylandChange since 2015-2019
Total population1,065,9496,206,011+22,419
Households389,210±1,4852,362,928+18,260
Average household size2.72±0.012.57−0.07
Housing units406,531±2272,560,784+17,329

Montgomery County's population since 2000

From 873,341 in 2000 to 1,074,582 in 2025: up 23.0%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.

  • 2000 Census 873,341
  • 2005 (estimate) 921,531
  • 2010 Census 971,777
  • 2015 (estimate) 1,033,370
  • 2020 Census 1,062,061
  • 2025 (estimate) 1,074,582

Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov

What cities and towns are in Montgomery County?

Montgomery County holds 59 places: 19 cities, villages and boroughs (incorporated places) and 40 census-designated places. The largest is Germantown with 90,719 residents (2020-2024). Places that cross a county line are listed with the share of their 2020 residents who live in this county.

Places in Montgomery County, ACS 2020-2024 5-year estimates. Ring: estimate with a coefficient of variation over 40%.
GermantownCDP91,24990,719±2,860$117,546$422,4008.8%100%
Silver SpringCDP81,01581,462±2,512$99,860$643,30010.6%100%
Gaithersburgcity69,65769,825±60$112,467$496,5008.8%100%
BethesdaCDP68,05669,397±2,523$192,237$1,169,9004.3%100%
Rockvillecity67,11767,671±62$128,649$682,3007.6%100%
WheatonCDP52,15052,926±2,606$111,478$501,20013.1%100%
Aspen HillCDP51,06353,279±3,126$111,575$570,0009.7%100%
North BethesdaCDP50,09449,677±2,167$129,092$731,8005.2%100%
PotomacCDP47,01845,902±1,782$236,675$1,157,0003.9%100%
OlneyCDP35,82035,797±1,710$171,458$656,6004.3%100%
Montgomery VillageCDP34,89334,110±2,161$95,348$388,90013.1%100%
ClarksburgCDP29,05130,487±1,866$176,678$679,4003.8%100%
FairlandCDP25,39626,231±2,089$98,800$477,30010.4%100%
North PotomacCDP23,79023,922±1,236$186,514$826,2005.3%100%
RedlandCDP18,59218,665±1,300$132,153$540,2004.4%100%
Takoma Parkcity17,62917,632±37$108,136$749,2009.1%100%
DamascusCDP17,22417,640±1,362$158,883$528,4003.7%100%
GlenmontCDP16,71017,208±1,129$126,542$571,2007.3%100%
White OakCDP16,34717,329±1,668$83,370$574,00015.1%100%
ColesvilleCDP15,42114,519±1,700$130,682$616,8003.4%100%
CloverlyCDP15,28516,646±1,542$152,083$665,3007.2%100%
Flower HillCDP14,10813,794±1,418$112,975$463,5009.3%100%
Kemp MillCDP13,37813,042±1,306$146,354$596,60010.5%100%
TravilahCDP11,98511,721±898$250,000 or more$1,325,1001.7%100%
CalvertonCDP17,31617,624±1,379$107,381$477,1009.7%62%
Chevy Chase, Montgomery County (CDP)CDP10,1769,445±698$211,765$1,245,0004.3%100%
BurtonsvilleCDP9,49810,203±1,456$134,276$488,8004.3%100%
North KensingtonCDP9,4978,954±833$135,040$576,7004.3%100%
Leisure WorldCDP9,2158,882±765$62,011$274,8009.3%100%
South KensingtonCDP8,8298,148±775$210,953$919,8004.5%100%
Four CornersCDP8,3168,150±915$203,125$620,4004.4%100%
Forest GlenCDP6,8976,840±1,112$127,820$606,1007.0%100%
DarnestownCDP6,7237,051±656$232,135$958,2001.2%100%
LayhillCDP5,7645,497±959$146,308$608,0004.3%100%
Ashton-Sandy SpringCDP5,7465,630±834$174,063$809,2001.8%100%
Poolesvilletown5,7425,764±17$205,919$752,3002.8%100%
Friendship Heights VillageCDP5,3604,002±427$119,384$484,30010.1%100%
BrookmontCDP3,7513,671±563$247,150$1,361,1002.8%100%
Burnt MillsCDP3,5923,751±957$113,463$574,3008.2%100%
HillandaleCDP5,7745,060±671$164,871$520,3003.5%61%
Chevy Chase, Montgomery County (town)town2,9042,906±43$250,000 or more$1,670,6002.0%100%
DerwoodCDP2,5351,984±416$118,194$719,8007.0%100%
Cabin JohnCDP2,4592,179±452$250,000 or more$1,312,9000.8%100%
Kensingtontown2,1222,369±371$152,284$943,5006.3%100%
Chevy Chase Villagetown2,0491,903±160$250,000 or more$2,000,000 or more1.2%100%
SpencervilleGEOID 2474050CDP1,8121,028±377$189,766$626,9008.7%100%
Somersettown1,1871,088±155$250,000 or more$1,775,0001.9%100%
Ten Mile CreekGEOID 2477262CDP1,0121,184±291$112,625$503,30046.9%100%
Chevy Chase Viewtown1,0051,063±261$250,000 or more$1,414,6000.3%100%
Garrett Parktown996932±144$250,000 or more$1,005,7002.3%100%
Martin's Additionsvillage9461,012±197$250,000 or more$1,535,2006.1%100%
Chevy Chase Section Threevillage802887±207$250,000 or more$1,605,6002.9%100%
North Chevy Chasevillage682746±176$250,000 or more$1,212,5001.5%100%
Chevy Chase Section Fivevillage672803±211$250,000 or more$1,643,1002.4%100%
Laytonsvilletown572677±168$240,500$1,061,5001.6%100%
Washington Grovetown505577±128$134,583$612,7003.5%100%
Glen EchoGEOID 2432900town279276±95$213,750$1,163,5001.1%100%
BrookevilleGEOID 2410225town166161±47$165,625$828,1006.2%100%
BarnesvilleGEOID 2404475town144208±138$231,250$730,3003.4%100%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov

Who lives in Montgomery County?

The median resident of Montgomery County is 40.2 years old; 22.8% are under 18 and 17.0% are 65 or older. The largest group is non-Hispanic white residents at 39.5%, then Hispanic or Latino residents (of any race) at 21.0%. 33.6% of residents were born outside the United States.

Age, origin and education, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
MeasureMontgomery CountyMarylandChange since 2015-2019
Median age40.2±0.239.4+1.0
Under 18 years22.8%22.2%–
65 years and over17.0%±0.1 pts16.7%–
Hispanic or Latino (any race)21.0%12.5%+1.5 pts
White alone, not Hispanic39.5%±0.1 pts46.6%−4.3 pts
Black or African American alone, not Hispanic18.3%±0.2 pts28.9%+0.4 pts
Asian alone, not Hispanic15.3%±0.1 pts6.5%+0.6 pts
American Indian and Alaska Native alone, not Hispanic0.1%±0.1 pts0.1%–
Native Hawaiian and Other Pacific Islander alone, not Hispanic0.0%±0.1 pts0.0%–
Two or more races, not Hispanic4.8%±0.2 pts4.6%–
Some other race alone, not Hispanic1.0%±0.1 pts0.7%–
Born outside the United States33.6%±0.4 pts16.6%+1.3 pts
Speak a language other than English at home (age 5+)43.0%±0.5 pts21.1%–
Civilian veterans (age 18+)4.2%±0.2 pts6.8%–
With a disability9.4%±0.3 pts11.6%–
No health insurance coverage7.0%±0.3 pts6.3%no clear change
High school graduate or higher (age 25+)91.3%±0.3 pts91.1%–
Bachelor's degree or higher (age 25+)60.6%±0.5 pts43.4%+1.7 pts
Graduate or professional degree (age 25+)33.4%±0.5 pts20.8%–
Moved from another state in the past year3.2%±0.2 pts2.6%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov

What do households in Montgomery County earn?

Half of Montgomery County's 389,210 households earn less than $132,450 a year (±$2,073), against $103,678 in Maryland. In 2015-2019 it was $133,924 in 2024 dollars; the margins of error cannot tell the two periods apart. 7.5% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
MeasureMontgomery CountyMarylandChange since 2015-2019
Median household income$132,450±$2,073$103,678no clear change
Mean household income$181,376±$2,169$136,642–
Per capita income$67,571±$721$52,979no clear change
People below the poverty line7.5%±0.3 pts9.4%+0.7 pts
Children under 18 below the poverty line9.0%±0.8 pts11.5%no clear change
Households receiving SNAP7.4%±0.4 pts11.2%–
Households with a broadband subscription95.7%±0.3 pts92.4%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What does housing cost in Montgomery County?

Owners occupy 65.3% of Montgomery County's occupied homes and renters 34.7%. The median owner-occupied home is valued at $640,300 by its owner (±$5,098). The median renter pays $2,068 a month including utilities, and 41.9% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates
MeasureMontgomery CountyMarylandChange since 2015-2019
Median home value (owner-occupied)$640,300±$5,098$419,900+$43,537
Median gross rent$2,068±$20$1,705−$108
Renters paying 35% or more of income on rent41.9%±1.3 pts42.3%no clear change
Median monthly owner costs, with a mortgage$2,929±$28$2,347–
Owner-occupied homes65.3%±0.6 pts67.6%no clear change
Housing units406,531±2272,560,784+17,329
Homeowner vacancy rate0.7%±0.2 pts0.8%–
Rental vacancy rate3.7%±0.5 pts4.7%–
Single-family detached homes46.6%±0.4 pts51.2%–
Mobile homes0.2%±0.1 pts1.3%–
Built 2020 or later1.3%±0.1 pts1.4%–
Built 1939 or earlier4.2%±0.2 pts10.7%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov

How many new homes is Montgomery County building?

Builders took permits for 1,411 new housing units across Montgomery County in 2025 (804 single-family), 1.3 per 1,000 residents.

  • 2019 3,225 units
  • 2020 1,486 units
  • 2021 1,857 units
  • 2022 4,237 units
  • 2023 2,860 units
  • 2024 3,656 units
  • 2025 1,411 units

Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey

How do people in Montgomery County get to work?

52.8% of Montgomery County's workers drive alone and 28.3% work from home. The average trip to work takes 31.9 minutes. The unemployment rate in 2020-2024 averaged 4.9%.

Work and commuting, ACS 2020-2024 5-year estimates
MeasureMontgomery CountyMarylandChange since 2015-2019
In the labor force (age 16+)69.8%±0.3 pts67.1%–
Unemployment rate4.9%±0.3 pts4.9%+0.4 pts
Drove alone to work52.8%±0.7 pts64.7%–
Carpooled7.6%±0.3 pts7.7%–
Public transportation7.5%±0.4 pts4.2%–
Walked1.7%±0.1 pts2.0%–
Worked from home28.3%±0.6 pts19.3%+21.9 pts
Mean travel time to work31.9 min±0.431.1 min−2.8 min

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What are Montgomery County's census tracts?

Montgomery County is divided into 232 census tracts. Among those with a reliable estimate, median household income runs from $47,227 (Tract 7019) to $250,000 or more (Tract 7060.13).

All 232 census tracts of Montgomery County, with their figures

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov

How does Montgomery County compare with Maryland's other counties?

Montgomery County's rank among Maryland's counties with a reliable estimate (1 = highest)
MeasureRank
Population1st of 24
Growth 2020-202519th of 24
Residents per square mile2nd of 24
Median household income3rd of 24
Median home value1st of 24
Median gross rent3rd of 24
Poverty rate16th of 24
Bachelor's degree or higher2nd of 24
Median age13th of 24

Every county in Maryland

Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections

Not on this page: crime, weather and schools for Montgomery County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.