US ZIP Code Map

ZIP code

20878

Gaithersburg, MD

STANDARD

20878 covers Gaithersburg in Montgomery County, with 65,236 people in the ACS estimate.

Map of 20878, Gaithersburg

ZIP code map

ACS population

65,236

Median household income

$142,062

Median home value

$675,200

About ZIP code 20878

Type

STANDARD

City

Gaithersburg

County

Montgomery County

Timezone

America/New_York

Area codes

227, 240, 301

Land area

20.4 sq mi

Water area

0.38 sq mi

Households

25,297

Median gross rent

$2,188

Acceptable cities: Darnestown, N Potomac, No Potomac, North Potomac

More enterprise fields

Timezone
America/New_York
Area Codes
227, 240, 301
World Region
NA
Country
US
Housing Count
24,808
Irs Estimated Households
33,280
Population Count
65,990
Irs Estimated Population
63,690

People in 20878

Race

  • White30,565
  • Black or African American6,720
  • American Indian or Alaska Native274
  • Asian17,340
  • Native Hawaiian and Pacific Islander41
  • Other race4,767
  • Two or more races6,283

Hispanic or Latino (any race): 9,468

Age

  • Under 108,045
  • 10 to 199,137
  • 20 to 297,036
  • 30 to 399,040
  • 40 to 499,521
  • 50 to 599,472
  • 60 to 697,957
  • 70 to 794,267
  • 80 and older1,515

Income and housing in 20878

Poverty rate

5.0%

Median earnings

$76,026

Median household income

$142,062

Median home value

$675,200

Median gross rent

$2,188

Education

  • High school graduate96.2%
  • Bachelor's degree70.1%
  • Graduate degree34.9%

Places covering 20878

Cities and places

Counties

7.2% of this ZIP is outside city limits (a real overlap row, not missing data).

Population history for 20878

IRS populationACS population
71,27935,639020052023

Hover a year for IRS and ACS values.

ZIP codes near 20878

  1. 20899Gaithersburg2.1 miPop 106 · Income $23,917
  2. 20877Gaithersburg2.6 miPop 39,068 · Income $86,103
  3. 20884Gaithersburg2.6 miPop 504 · Income —
  4. 20885Gaithersburg2.6 miPop 324 · Income —
  5. 20898Gaithersburg2.6 miPop 363 · Income —
  6. 20874Germantown3.5 miPop 62,233 · Income $109,648
  7. 20875Germantown3.5 miPop 818 · Income —
  8. 20880Washington Grove4.5 miPop 590 · Income $160,417
  9. 20883Gaithersburg4.7 miPop 189 · Income —
  10. 20879Gaithersburg5.1 miPop 26,120 · Income $105,109
  11. 20841Boyds5.2 miPop 9,706 · Income $184,276
  12. 20886Montgomery Village5.3 miPop 34,419 · Income $98,767

ZIP code 20878 FAQ

What city is ZIP code 20878 in?
20878 is in Gaithersburg, MD.
What county is 20878 in?
20878 is in Montgomery County.
What is the median household income in 20878?
The median household income in 20878 is $142,062.
Which ZIP codes are near 20878?
Use the radius tool on this page to list ZIP codes within a chosen distance of 20878.