20878 ZIP Code
Gaithersburg, Maryland
December 13, 2025
| ZIP Code: | 20878 |
| City/Town: | Gaithersburg |
| County: | Montgomery |
| State: | Maryland |
| ZIP Type: | Standard |
| Population: | 65,954 |
| Median Household Income: | $141,902 |
| Per Capita Income: | $75,802 |
| Total Housing Units: | 25,232 |
| Median Home Value: | $654,500 |
| Land Area: | 20.4 sq miles
53.0 sq km |
| Water Area: | 0.4 sq miles
1.0 sq km |
| Coordinates: | 39.1126, -77.2504 |
Population Information (20878 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Total Population: | 65,954 | -- | -- |
| Male: | 31,659 | 48.0% | 49.6% |
| Female: | 34,295 | 52.0% | 50.4% |
| Median Age: | 40.3 yrs | -- | 38.5 yrs |
| Under 5 years: | 3,481 | 5.3% | 5.7% |
| 5 to 9 years: | 3,938 | 6.0% | 6.0% |
| 10 to 14 years: | 4,503 | 6.8% | 6.5% |
| 15 to 19 years: | 4,472 | 6.8% | 6.6% |
| 20 to 24 years: | 4,157 | 6.3% | 6.7% |
| 25 to 34 years: | 7,143 | 10.8% | 13.7% |
| 35 to 44 years: | 9,676 | 14.7% | 12.9% |
| 45 to 54 years: | 9,773 | 14.8% | 12.4% |
| 55 to 59 years: | 5,002 | 7.6% | 6.5% |
| 60 to 64 years: | 4,358 | 6.6% | 6.4% |
| 65 to 74 years: | 5,996 | 9.1% | 9.7% |
| 75 to 84 years: | 2,707 | 4.1% | 4.8% |
| 85 years and over: | 748 | 1.1% | 2.0% |
Housing Information (20878 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Median home value: | $654,500 | -- | $281,900 |
| Median rooms: | 6.7 | -- | 5.5 |
| Median rent: | $2,068 / mo. | -- | $1,268 / mo. |
| Total housing units: | 25,232 | -- | -- |
| Occupied housing units: | 24,222 | 96.0% | 38.0% |
| Vacant housing units: | 1,010 | 4.0% | 4.6% |
| Housing tenure: | -- | -- | -- |
| Owner-occupied: | 16,820 | 69.4% | 64.8% |
| Renter-occupied: | 7,402 | 30.6% | 35.2% |
Educational Attainment (20878 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Population 25 years and over: | 45,403 | -- | -- |
| Less than 9th grade: | 957 | 2.1% | 4.7% |
| 9th to 12th grade, no diploma: | 903 | 2.0% | 6.1% |
| High school graduate: | 4,365 | 9.6% | 26.4% |
| Some college, no degree: | 4,590 | 10.1% | 19.7% |
| Associate degree: | 2,336 | 5.1% | 8.7% |
| Bachelor's degree: | 16,177 | 35.6% | 20.9% |
| Graduate or professional degree: | 16,075 | 35.4% | 13.7% |
| Percent high school graduate or higher: | -- | 95.9% | 89.1% |
| Percent bachelor's degree or higher: | -- | 71.0% | 34.3% |
Income Information (20878 zip code)
| Value | US AvgUS | |
|---|---|---|
| Median household income: | $141,902 / yr. | $75,149 / yr. |
| Mean household income: | $186,488 / yr. | $105,833 / yr. |
| Median family income: | $167,486 / yr. | $92,646 / yr. |
| Per capita income: | $75,802 / yr. | $41,261 / yr. |
Employment (20878 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| In labor force: | 38,224 | -- | 63.5% |
| Employed: | 36,507 | 95.8% | 96.4% |
| Unemployed: | 1,586 | 4.2% | 5.3% |
| Not in labor force: | 14,639 | -- | -- |
| Class of Worker: | -- | -- | -- |
| Private wage and salary: | 26,357 | 72.2% | 79.7% |
| Government workers: | 8,243 | 22.6% | 14.2% |
| Self-employed: | 1,840 | 5.0% | 5.9% |
| Unpaid family workers: | 67 | 0.2% | 0.1% |
Race & Ethnicity (20878 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Race (one race): | -- | -- | -- |
| White: | 32,481 | 49.2% | 61.6% |
| Black or African American: | 6,654 | 10.1% | 12.4% |
| American Indian/Alaska Native: | 203 | 0.3% | 1.1% |
| Asian: | 17,775 | 27.0% | 6.0% |
| Native Hawaiian/Pacific Islander: | 0 | 0.0% | 0.2% |
| Some other race: | 3,459 | 5.2% | 8.4% |
| Two or more races: | 5,382 | 8.2% | 10.2% |
| Hispanic or Latino (any race): | 6,624 | 10.0% | 18.7% |
| Mexican: | 8,164 | 12.4% | 11.2% |
| Puerto Rican: | 643 | 1.0% | 1.8% |
| Cuban: | 477 | 0.7% | 0.7% |
| Other Hispanic or Latino: | 143 | 0.2% | 5.0% |
| Not Hispanic or Latino: | 6,901 | 10.5% | 81.1% |
Income Distribution (20878 zip code)
| Household Income | Households | Percent% | US AvgUS |
|---|---|---|---|
| Less than $10,000: | 448 | 1.8% | 4.9% |
| $10,000 to $14,999: | 235 | 1.0% | 3.8% |
| $15,000 to $24,999: | 313 | 1.3% | 7.0% |
| $25,000 to $34,999: | 979 | 4.0% | 7.4% |
| $35,000 to $49,999: | 954 | 3.9% | 10.7% |
| $50,000 to $74,999: | 2,342 | 9.7% | 16.1% |
| $75,000 to $99,999: | 3,048 | 12.6% | 12.8% |
| $100,000 to $149,999: | 4,545 | 18.8% | 17.1% |
| $150,000 to $199,999: | 3,271 | 13.5% | 8.8% |
| $200,000 or more: | 8,087 | 33.4% | 11.4% |
Commute to Work (20878 zip code)
| Commute Method | Workers | Percent% | US AvgUS |
|---|---|---|---|
| Drove alone: | 20,657 | 56.6% | 67.8% |
| Carpooled: | 2,834 | 7.8% | 8.7% |
| Public transportation: | 1,809 | 5.0% | 4.2% |
| Walked: | 548 | 1.5% | 2.5% |
| Other means: | 884 | 2.4% | 0.9% |
| Worked from home: | 9,404 | 25.8% | 13.8% |
| Mean travel time to work: | 30.6 min | -- | 26.7 min |
Industry (20878 zip code)
| Industry Sector | Workers | Percent% | US AvgUS |
|---|---|---|---|
| Agriculture, forestry, fishing, mining: | 66 | 0.2% | 1.6% |
| Construction: | 1,571 | 4.3% | 6.9% |
| Manufacturing: | 1,985 | 5.4% | 10.0% |
| Wholesale trade: | 417 | 1.1% | 2.4% |
| Retail trade: | 2,276 | 6.2% | 11.0% |
| Transportation, warehousing, utilities: | 1,064 | 2.9% | 5.8% |
| Information: | 951 | 2.6% | 1.9% |
| Finance, insurance, real estate: | 2,191 | 6.0% | 6.7% |
| Professional, scientific, management: | 10,426 | 28.6% | 12.1% |
| Education, health care, social services: | 6,628 | 18.2% | 23.3% |
| Arts, entertainment, food services: | 2,437 | 6.7% | 9.0% |
| Other services: | 2,071 | 5.7% | 4.7% |
| Public administration: | 4,424 | 12.1% | 4.7% |
Poverty Status (20878 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Poverty Rate: | -- | 4.4% | 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 (20878 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| With health insurance: | 62,649 | 95.0% | 91.3% |
| Private health insurance: | 55,612 | 84.3% | 67.6% |
| Public health coverage: | 14,782 | 22.4% | 35.9% |
| Without health insurance: | 3,162 | 4.8% | 8.7% |
Benefits & Assistance (20878 zip code)
| Households with: | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Earnings: | 21,506 | 88.8% | 77.4% |
| Social Security income: | 5,112 | 21.1% | 31.0% |
| Retirement income: | 4,717 | 19.5% | 21.8% |
| Supplemental Security Income (SSI): | 311 | 1.3% | 4.5% |
| Cash public assistance income: | 632 | 2.6% | 1.8% |
| SNAP (food stamps) benefits: | 1,052 | 4.3% | 11.4% |
Housing Types (20878 zip code)
| Structure Type | Units | Percent% | US AvgUS |
|---|---|---|---|
| 1-unit, detached: | 10,699 | 42.4% | 61.4% |
| 1-unit, attached: | 6,689 | 26.5% | 6.1% |
| 2 units: | 130 | 0.5% | 3.4% |
| 3 or 4 units: | 207 | 0.8% | 4.3% |
| 5 to 9 units: | 1,524 | 6.0% | 4.6% |
| 10 to 19 units: | 3,113 | 12.3% | 4.3% |
| 20 or more units: | 2,845 | 11.3% | 9.9% |
| Mobile home: | 25 | 0.1% | 5.8% |
| Boat, RV, van, etc.: | 0 | 0.0% | 0.1% |
Year Structure Built (20878 zip code)
| Year Built | Units | Percent% | US AvgUS |
|---|---|---|---|
| Built 2020 or later: | 106 | 0.4% | 0.6% |
| Built 2010 to 2019: | 1,909 | 7.6% | 8.2% |
| Built 2000 to 2009: | 3,261 | 12.9% | 13.5% |
| Built 1990 to 1999: | 4,800 | 19.0% | 13.2% |
| Built 1980 to 1989: | 8,402 | 33.3% | 13.2% |
| Built 1970 to 1979: | 4,648 | 18.4% | 14.6% |
| Built 1960 to 1969: | 1,640 | 6.5% | 10.2% |
| Built 1950 to 1959: | 185 | 0.7% | 9.9% |
| Built 1940 to 1949: | 115 | 0.5% | 4.6% |
| Built 1939 or earlier: | 166 | 0.7% | 12.0% |
Bedrooms (20878 zip code)
| Number of Bedrooms | Units | Percent% | US AvgUS |
|---|---|---|---|
| No bedroom (studio): | 600 | 2.4% | 2.4% |
| 1 bedroom: | 2,191 | 8.7% | 3.0% |
| 2 bedrooms: | 4,910 | 19.5% | 9.1% |
| 3 bedrooms: | 7,183 | 28.5% | 15.9% |
| 4 bedrooms: | 7,370 | 29.2% | 18.8% |
| 5 or more bedrooms: | 2,978 | 11.8% | 17.6% |
Heating Fuel (20878 zip code)
| Fuel Type | Units | Percent% | US AvgUS |
|---|---|---|---|
| Utility gas: | 12,260 | 50.6% | 47.1% |
| Bottled, tank, or LP gas: | 328 | 1.4% | 4.9% |
| Electricity: | 10,378 | 42.8% | 40.2% |
| Fuel oil, kerosene, etc.: | 858 | 3.5% | 4.2% |
| Coal or coke: | 0 | 0.0% | 0.1% |
| Wood: | 11 | 0.0% | 1.5% |
| Solar energy: | 201 | 0.8% | 0.1% |
| Other fuel: | 117 | 0.5% | 0.5% |
| No fuel used: | 69 | 0.3% | 0.2% |
Vehicles Available (20878 zip code)
| Vehicles | Households | Percent% | US AvgUS |
|---|---|---|---|
| No vehicle available: | 905 | 3.7% | 8.3% |
| 1 vehicle available: | 7,809 | 32.2% | 32.6% |
| 2 vehicles available: | 11,093 | 45.8% | 37.0% |
| 3 or more vehicles available: | 4,415 | 18.2% | 22.1% |
Home Value Distribution (20878 zip code)
| Value Range | Owner Units | Percent% | US AvgUS |
|---|---|---|---|
| Less than $50,000: | 125 | 0.7% | 5.7% |
| $50,000 to $99,999: | 107 | 0.6% | 7.8% |
| $100,000 to $149,999: | 147 | 0.9% | 9.2% |
| $150,000 to $199,999: | 313 | 1.9% | 10.8% |
| $200,000 to $299,999: | 591 | 3.5% | 19.9% |
| $300,000 to $499,999: | 3,994 | 23.7% | 24.1% |
| $500,000 to $999,999: | 9,558 | 56.8% | 17.0% |
| $1,000,000 or more: | 1,985 | 11.8% | 5.6% |
Housing Costs (20878 zip code)
| Value | US AvgUS | |
|---|---|---|
| Median owner costs (with mortgage): | $3,094 / mo. | $1,828 / mo. |
| Median owner costs (no mortgage): | $917 / mo. | $584 / mo. |
| Median gross rent: | $2,068 / mo. | $1,268 / mo. |
| Average household size (owner-occupied): | 2.72 | 2.53 |
| Average household size (renter-occupied): | 2.72 | 2.38 |
Households (20878 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Total households: | 24,222 | -- | -- |
| Married-couple households: | 15,192 | 62.7% | 47.5% |
| Cohabiting couple households: | 6,938 | 28.6% | 7.0% |
| Male householder, no spouse: | 2,602 | 10.7% | 5.4% |
| Female householder, no spouse: | 5,610 | 23.2% | 12.7% |
| Householder living alone: | 8,888 | 36.7% | 28.6% |
| 65 years and over living alone: | 6,327 | 26.1% | 11.8% |
| Average household size: | 2.72 | -- | 2.53 |
| Average family size: | 3.14 | -- | -- |
Marital Status (20878 zip code)
| Population 15 years and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Total: | 25,699 | -- | -- |
| Never married: | 7,739 | 30.1% | 37.0% |
| Now married: | 16,354 | 63.6% | 49.5% |
| Separated: | 290 | 1.1% | 1.5% |
| Widowed: | 1,221 | 4.8% | 2.6% |
| Divorced: | 7,793 | 30.3% | 9.3% |
School Enrollment (20878 zip code)
| Population 3 years and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Enrolled in school: | 16,813 | -- | -- |
| Nursery school, preschool: | 1,071 | 6.4% | 5.8% |
| Kindergarten: | 537 | 3.2% | 5.0% |
| Elementary school (grades 1-8): | 6,958 | 41.4% | 40.5% |
| High school (grades 9-12): | 3,926 | 23.4% | 21.4% |
| College or graduate school: | 4,321 | 25.7% | 27.3% |
Veterans & Disability (20878 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Civilian population 18 years and over: | 50,962 | -- | -- |
| Veterans: | 1,830 | 3.6% | 6.3% |
| Civilian noninstitutionalized population: | 65,811 | -- | -- |
| With a disability: | 4,440 | 6.7% | 13.4% |
| Under 18 with disability: | 425 | 9.6% | 5.8% |
| 18 to 64 with disability: | 2,205 | 49.7% | 10.4% |
| 65 and over with disability: | 1,810 | 40.8% | 33.4% |
Mobility (Residence 1 Year Ago) (20878 zip code)
| Population 1 year and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Same house: | 55,730 | 84.5% | 86.9% |
| Different house: | 9,727 | 14.7% | 13.1% |
| Same county: | 5,715 | 58.8% | 7.0% |
| Different county: | 2,753 | 28.3% | 3.2% |
| Different state: | 1,939 | 19.9% | 2.5% |
| Abroad: | 1,259 | 12.9% | 0.4% |
Place of Birth (20878 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Native born: | 42,708 | 64.8% | 86.2% |
| Foreign born: | 1,162 | 1.8% | 13.9% |
| Naturalized citizen: | 23,246 | 2000.5% | 52.7% |
| Not a citizen: | 23,246 | 2000.5% | 47.3% |
| Foreign-born by region: | -- | -- | -- |
| Europe: | 23,246 | 2000.5% | 10.5% |
| Asia: | 2,577 | 221.8% | 31.3% |
| Africa: | 1,597 | 137.4% | 5.5% |
| Oceania: | 200 | 17.2% | 0.5% |
| Latin America: | 4,832 | 415.8% | 50.0% |
| Northern America: | 361 | 31.1% | 2.2% |
Language Spoken at Home (20878 zip code)
| Population 5 years and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Total: | 62,473 | -- | -- |
| English only: | 34,865 | 55.8% | 78.3% |
| Language other than English: | 27,608 | 44.2% | 21.5% |
| By language: | -- | -- | -- |
| Spanish: | 6,443 | 10.3% | 13.3% |
| Other Indo-European languages: | 9,262 | 14.8% | 3.5% |
| Asian/Pacific Island languages: | 10,545 | 16.9% | 3.5% |
| Other languages: | 1,358 | 2.2% | 1.0% |
Computers & Internet (20878 zip code)
| Households | Percent% | US AvgUS | |
|---|---|---|---|
| Households with a computer: | 24,222 | 100.0% | 93.1% |
| Households with broadband internet: | 23,948 | 98.9% | 89.4% |
Gaithersburg, MD20878