20877 ZIP Code
Gaithersburg, Maryland
December 15, 2025
| ZIP Code: | 20877 |
| City/Town: | Gaithersburg |
| County: | Montgomery |
| State: | Maryland |
| ZIP Type: | Standard |
| Population: | 38,524 |
| Median Household Income: | $86,134 |
| Per Capita Income: | $36,514 |
| Total Housing Units: | 13,479 |
| Median Home Value: | $442,300 |
| Land Area: | 5.6 sq miles
14.6 sq km |
| Water Area: | 0.0 sq miles
0.1 sq km |
| Coordinates: | 39.1406, -77.1921 |
Population Information (20877 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Total Population: | 38,524 | -- | -- |
| Male: | 19,333 | 50.2% | 49.6% |
| Female: | 19,191 | 49.8% | 50.4% |
| Median Age: | 36.9 yrs | -- | 38.5 yrs |
| Under 5 years: | 3,093 | 8.0% | 5.7% |
| 5 to 9 years: | 2,341 | 6.1% | 6.0% |
| 10 to 14 years: | 2,402 | 6.2% | 6.5% |
| 15 to 19 years: | 2,357 | 6.1% | 6.6% |
| 20 to 24 years: | 2,600 | 6.7% | 6.7% |
| 25 to 34 years: | 5,069 | 13.2% | 13.7% |
| 35 to 44 years: | 6,214 | 16.1% | 12.9% |
| 45 to 54 years: | 4,922 | 12.8% | 12.4% |
| 55 to 59 years: | 2,036 | 5.3% | 6.5% |
| 60 to 64 years: | 1,727 | 4.5% | 6.4% |
| 65 to 74 years: | 3,053 | 7.9% | 9.7% |
| 75 to 84 years: | 1,585 | 4.1% | 4.8% |
| 85 years and over: | 1,125 | 2.9% | 2.0% |
Housing Information (20877 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Median home value: | $442,300 | -- | $281,900 |
| Median rooms: | 5.0 | -- | 5.5 |
| Median rent: | $1,838 / mo. | -- | $1,268 / mo. |
| Total housing units: | 13,479 | -- | -- |
| Occupied housing units: | 12,600 | 93.5% | 38.0% |
| Vacant housing units: | 879 | 6.5% | 4.6% |
| Housing tenure: | -- | -- | -- |
| Owner-occupied: | 5,489 | 43.6% | 64.8% |
| Renter-occupied: | 7,111 | 56.4% | 35.2% |
Educational Attainment (20877 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Population 25 years and over: | 25,731 | -- | -- |
| Less than 9th grade: | 4,169 | 16.2% | 4.7% |
| 9th to 12th grade, no diploma: | 1,545 | 6.0% | 6.1% |
| High school graduate: | 5,708 | 22.2% | 26.4% |
| Some college, no degree: | 3,551 | 13.8% | 19.7% |
| Associate degree: | 1,595 | 6.2% | 8.7% |
| Bachelor's degree: | 5,353 | 20.8% | 20.9% |
| Graduate or professional degree: | 3,810 | 14.8% | 13.7% |
| Percent high school graduate or higher: | -- | 77.8% | 89.1% |
| Percent bachelor's degree or higher: | -- | 35.6% | 34.3% |
Income Information (20877 zip code)
| Value | US AvgUS | |
|---|---|---|
| Median household income: | $86,134 / yr. | $75,149 / yr. |
| Mean household income: | $105,963 / yr. | $105,833 / yr. |
| Median family income: | $87,734 / yr. | $92,646 / yr. |
| Per capita income: | $36,514 / yr. | $41,261 / yr. |
Employment (20877 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| In labor force: | 21,383 | -- | 63.5% |
| Employed: | 19,736 | 92.8% | 96.4% |
| Unemployed: | 1,542 | 7.2% | 5.3% |
| Not in labor force: | 8,765 | -- | -- |
| Class of Worker: | -- | -- | -- |
| Private wage and salary: | 15,750 | 79.8% | 79.7% |
| Government workers: | 2,968 | 15.0% | 14.2% |
| Self-employed: | 877 | 4.4% | 5.9% |
| Unpaid family workers: | 141 | 0.7% | 0.1% |
Race & Ethnicity (20877 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Race (one race): | -- | -- | -- |
| White: | 11,034 | 28.6% | 61.6% |
| Black or African American: | 7,140 | 18.5% | 12.4% |
| American Indian/Alaska Native: | 207 | 0.5% | 1.1% |
| Asian: | 6,188 | 16.1% | 6.0% |
| Native Hawaiian/Pacific Islander: | 126 | 0.3% | 0.2% |
| Some other race: | 9,991 | 25.9% | 8.4% |
| Two or more races: | 3,838 | 10.0% | 10.2% |
| Hispanic or Latino (any race): | 12,742 | 33.1% | 18.7% |
| Mexican: | 16,769 | 43.5% | 11.2% |
| Puerto Rican: | 930 | 2.4% | 1.8% |
| Cuban: | 305 | 0.8% | 0.7% |
| Other Hispanic or Latino: | 42 | 0.1% | 5.0% |
| Not Hispanic or Latino: | 15,492 | 40.2% | 81.1% |
Income Distribution (20877 zip code)
| Household Income | Households | Percent% | US AvgUS |
|---|---|---|---|
| Less than $10,000: | 612 | 4.9% | 4.9% |
| $10,000 to $14,999: | 293 | 2.3% | 3.8% |
| $15,000 to $24,999: | 711 | 5.6% | 7.0% |
| $25,000 to $34,999: | 822 | 6.5% | 7.4% |
| $35,000 to $49,999: | 1,503 | 11.9% | 10.7% |
| $50,000 to $74,999: | 1,732 | 13.7% | 16.1% |
| $75,000 to $99,999: | 1,476 | 11.7% | 12.8% |
| $100,000 to $149,999: | 2,689 | 21.3% | 17.1% |
| $150,000 to $199,999: | 1,368 | 10.9% | 8.8% |
| $200,000 or more: | 1,394 | 11.1% | 11.4% |
Commute to Work (20877 zip code)
| Commute Method | Workers | Percent% | US AvgUS |
|---|---|---|---|
| Drove alone: | 10,947 | 55.5% | 67.8% |
| Carpooled: | 2,834 | 14.4% | 8.7% |
| Public transportation: | 1,845 | 9.3% | 4.2% |
| Walked: | 234 | 1.2% | 2.5% |
| Other means: | 693 | 3.5% | 0.9% |
| Worked from home: | 2,474 | 12.5% | 13.8% |
| Mean travel time to work: | 31.7 min | -- | 26.7 min |
Industry (20877 zip code)
| Industry Sector | Workers | Percent% | US AvgUS |
|---|---|---|---|
| Agriculture, forestry, fishing, mining: | 30 | 0.2% | 1.6% |
| Construction: | 2,668 | 13.5% | 6.9% |
| Manufacturing: | 926 | 4.7% | 10.0% |
| Wholesale trade: | 364 | 1.8% | 2.4% |
| Retail trade: | 1,944 | 9.9% | 11.0% |
| Transportation, warehousing, utilities: | 684 | 3.5% | 5.8% |
| Information: | 202 | 1.0% | 1.9% |
| Finance, insurance, real estate: | 807 | 4.1% | 6.7% |
| Professional, scientific, management: | 3,461 | 17.5% | 12.1% |
| Education, health care, social services: | 3,595 | 18.2% | 23.3% |
| Arts, entertainment, food services: | 2,092 | 10.6% | 9.0% |
| Other services: | 1,437 | 7.3% | 4.7% |
| Public administration: | 1,526 | 7.7% | 4.7% |
Poverty Status (20877 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Poverty Rate: | -- | 13.2% | 8.8% |
| All people below poverty level: | -- | -- | -- |
| Under 18 years: | -- | -- | 16.3% |
| 18 to 64 years: | -- | -- | 11.0% |
| 65 years and over: | -- | -- | 10.3% |
Health Insurance (20877 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| With health insurance: | 30,796 | 79.9% | 91.3% |
| Private health insurance: | 20,227 | 52.5% | 67.6% |
| Public health coverage: | 14,757 | 38.3% | 35.9% |
| Without health insurance: | 7,411 | 19.2% | 8.7% |
Benefits & Assistance (20877 zip code)
| Households with: | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Earnings: | 10,759 | 85.4% | 77.4% |
| Social Security income: | 2,807 | 22.3% | 31.0% |
| Retirement income: | 2,262 | 18.0% | 21.8% |
| Supplemental Security Income (SSI): | 561 | 4.5% | 4.5% |
| Cash public assistance income: | 310 | 2.5% | 1.8% |
| SNAP (food stamps) benefits: | 2,232 | 17.7% | 11.4% |
Housing Types (20877 zip code)
| Structure Type | Units | Percent% | US AvgUS |
|---|---|---|---|
| 1-unit, detached: | 3,372 | 25.0% | 61.4% |
| 1-unit, attached: | 2,915 | 21.6% | 6.1% |
| 2 units: | 100 | 0.7% | 3.4% |
| 3 or 4 units: | 393 | 2.9% | 4.3% |
| 5 to 9 units: | 1,149 | 8.5% | 4.6% |
| 10 to 19 units: | 2,225 | 16.5% | 4.3% |
| 20 or more units: | 3,308 | 24.5% | 9.9% |
| Mobile home: | 17 | 0.1% | 5.8% |
| Boat, RV, van, etc.: | 0 | 0.0% | 0.1% |
Year Structure Built (20877 zip code)
| Year Built | Units | Percent% | US AvgUS |
|---|---|---|---|
| Built 2020 or later: | 87 | 0.6% | 0.6% |
| Built 2010 to 2019: | 1,592 | 11.8% | 8.2% |
| Built 2000 to 2009: | 2,196 | 16.3% | 13.5% |
| Built 1990 to 1999: | 1,401 | 10.4% | 13.2% |
| Built 1980 to 1989: | 2,673 | 19.8% | 13.2% |
| Built 1970 to 1979: | 2,792 | 20.7% | 14.6% |
| Built 1960 to 1969: | 1,312 | 9.7% | 10.2% |
| Built 1950 to 1959: | 854 | 6.3% | 9.9% |
| Built 1940 to 1949: | 227 | 1.7% | 4.6% |
| Built 1939 or earlier: | 345 | 2.6% | 12.0% |
Bedrooms (20877 zip code)
| Number of Bedrooms | Units | Percent% | US AvgUS |
|---|---|---|---|
| No bedroom (studio): | 582 | 4.3% | 2.4% |
| 1 bedroom: | 2,662 | 19.7% | 3.0% |
| 2 bedrooms: | 3,483 | 25.8% | 9.1% |
| 3 bedrooms: | 3,808 | 28.3% | 15.9% |
| 4 bedrooms: | 2,150 | 16.0% | 18.8% |
| 5 or more bedrooms: | 794 | 5.9% | 17.6% |
Heating Fuel (20877 zip code)
| Fuel Type | Units | Percent% | US AvgUS |
|---|---|---|---|
| Utility gas: | 5,531 | 43.9% | 47.1% |
| Bottled, tank, or LP gas: | 145 | 1.2% | 4.9% |
| Electricity: | 6,486 | 51.5% | 40.2% |
| Fuel oil, kerosene, etc.: | 202 | 1.6% | 4.2% |
| Coal or coke: | 0 | 0.0% | 0.1% |
| Wood: | 19 | 0.2% | 1.5% |
| Solar energy: | 19 | 0.2% | 0.1% |
| Other fuel: | 72 | 0.6% | 0.5% |
| No fuel used: | 126 | 1.0% | 0.2% |
Vehicles Available (20877 zip code)
| Vehicles | Households | Percent% | US AvgUS |
|---|---|---|---|
| No vehicle available: | 1,579 | 12.5% | 8.3% |
| 1 vehicle available: | 4,738 | 37.6% | 32.6% |
| 2 vehicles available: | 3,602 | 28.6% | 37.0% |
| 3 or more vehicles available: | 2,681 | 21.3% | 22.1% |
Home Value Distribution (20877 zip code)
| Value Range | Owner Units | Percent% | US AvgUS |
|---|---|---|---|
| Less than $50,000: | 92 | 1.7% | 5.7% |
| $50,000 to $99,999: | 39 | 0.7% | 7.8% |
| $100,000 to $149,999: | 158 | 2.9% | 9.2% |
| $150,000 to $199,999: | 141 | 2.6% | 10.8% |
| $200,000 to $299,999: | 507 | 9.2% | 19.9% |
| $300,000 to $499,999: | 2,865 | 52.2% | 24.1% |
| $500,000 to $999,999: | 1,682 | 30.6% | 17.0% |
| $1,000,000 or more: | 5 | 0.1% | 5.6% |
Housing Costs (20877 zip code)
| Value | US AvgUS | |
|---|---|---|
| Median owner costs (with mortgage): | $2,465 / mo. | $1,828 / mo. |
| Median owner costs (no mortgage): | $790 / mo. | $584 / mo. |
| Median gross rent: | $1,838 / mo. | $1,268 / mo. |
| Average household size (owner-occupied): | 3.43 | 2.53 |
| Average household size (renter-occupied): | 2.73 | 2.38 |
Households (20877 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Total households: | 12,600 | -- | -- |
| Married-couple households: | 6,095 | 48.4% | 47.5% |
| Cohabiting couple households: | 3,050 | 24.2% | 7.0% |
| Male householder, no spouse: | 1,832 | 14.5% | 5.4% |
| Female householder, no spouse: | 3,830 | 30.4% | 12.7% |
| Householder living alone: | 4,638 | 36.8% | 28.6% |
| 65 years and over living alone: | 3,809 | 30.2% | 11.8% |
| Average household size: | 3.04 | -- | 2.53 |
| Average family size: | 3.64 | -- | -- |
Marital Status (20877 zip code)
| Population 15 years and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Total: | 14,753 | -- | -- |
| Never married: | 5,717 | 38.8% | 37.0% |
| Now married: | 7,553 | 51.2% | 49.5% |
| Separated: | 438 | 3.0% | 1.5% |
| Widowed: | 901 | 6.1% | 2.6% |
| Divorced: | 5,559 | 37.7% | 9.3% |
School Enrollment (20877 zip code)
| Population 3 years and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Enrolled in school: | 9,143 | -- | -- |
| Nursery school, preschool: | 635 | 6.9% | 5.8% |
| Kindergarten: | 423 | 4.6% | 5.0% |
| Elementary school (grades 1-8): | 3,728 | 40.8% | 40.5% |
| High school (grades 9-12): | 2,145 | 23.5% | 21.4% |
| College or graduate school: | 2,212 | 24.2% | 27.3% |
Veterans & Disability (20877 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Civilian population 18 years and over: | 29,141 | -- | -- |
| Veterans: | 1,011 | 3.5% | 6.3% |
| Civilian noninstitutionalized population: | 38,207 | -- | -- |
| With a disability: | 4,741 | 12.4% | 13.4% |
| Under 18 with disability: | 418 | 8.8% | 5.8% |
| 18 to 64 with disability: | 2,329 | 49.1% | 10.4% |
| 65 and over with disability: | 1,994 | 42.1% | 33.4% |
Mobility (Residence 1 Year Ago) (20877 zip code)
| Population 1 year and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Same house: | 31,627 | 82.1% | 86.9% |
| Different house: | 6,132 | 15.9% | 13.1% |
| Same county: | 4,257 | 69.4% | 7.0% |
| Different county: | 1,578 | 25.7% | 3.2% |
| Different state: | 1,096 | 17.9% | 2.5% |
| Abroad: | 297 | 4.8% | 0.4% |
Place of Birth (20877 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Native born: | 20,743 | 53.8% | 86.2% |
| Foreign born: | 710 | 1.8% | 13.9% |
| Naturalized citizen: | 17,781 | 2504.4% | 52.7% |
| Not a citizen: | 17,781 | 2504.4% | 47.3% |
| Foreign-born by region: | -- | -- | -- |
| Europe: | 17,781 | 2504.4% | 10.5% |
| Asia: | 331 | 46.6% | 31.3% |
| Africa: | 1,992 | 280.6% | 5.5% |
| Oceania: | 22 | 3.1% | 0.5% |
| Latin America: | 10,654 | 1500.6% | 50.0% |
| Northern America: | 8 | 1.1% | 2.2% |
Language Spoken at Home (20877 zip code)
| Population 5 years and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Total: | 35,431 | -- | -- |
| English only: | 13,263 | 37.4% | 78.3% |
| Language other than English: | 22,168 | 62.6% | 21.5% |
| By language: | -- | -- | -- |
| Spanish: | 14,308 | 40.4% | 13.3% |
| Other Indo-European languages: | 3,099 | 8.7% | 3.5% |
| Asian/Pacific Island languages: | 3,831 | 10.8% | 3.5% |
| Other languages: | 930 | 2.6% | 1.0% |
Computers & Internet (20877 zip code)
| Households | Percent% | US AvgUS | |
|---|---|---|---|
| Households with a computer: | 12,600 | 100.0% | 93.1% |
| Households with broadband internet: | 12,232 | 97.1% | 89.4% |
Gaithersburg, MD20877