US ZIP Code Map

ZIP code

20877

Gaithersburg, MD

STANDARD

20877 covers Gaithersburg in Montgomery County, with 39,068 people in the ACS estimate.

Map of 20877, Gaithersburg

ZIP code map

ACS population

39,068

Median household income

$86,103

Median home value

$462,500

About ZIP code 20877

Type

STANDARD

City

Gaithersburg

County

Montgomery County

Timezone

America/New_York

Area codes

227, 240, 301

Land area

5.6 sq mi

Water area

0.03 sq mi

Households

13,599

Median gross rent

$1,862

Acceptable cities: Montgomery Village, Montgomry Vlg

More enterprise fields

Timezone
America/New_York
Area Codes
227, 240, 301
World Region
NA
Country
US
Housing Count
13,636
Irs Estimated Households
19,900
Population Count
37,577
Irs Estimated Population
34,400

People in 20877

Race

  • White8,880
  • Black or African American7,721
  • American Indian or Alaska Native514
  • Asian4,943
  • Native Hawaiian and Pacific Islander53
  • Other race10,583
  • Two or more races4,883

Hispanic or Latino (any race): 16,230

Age

  • Under 105,042
  • 10 to 194,922
  • 20 to 295,426
  • 30 to 395,882
  • 40 to 494,868
  • 50 to 594,263
  • 60 to 693,557
  • 70 to 791,880
  • 80 and older1,737

Income and housing in 20877

Poverty rate

11.3%

Median earnings

$39,341

Median household income

$86,103

Median home value

$462,500

Median gross rent

$1,862

Education

  • High school graduate76.3%
  • Bachelor's degree35.2%
  • Graduate degree15.0%

Places covering 20877

Counties

10.9% of this ZIP is outside city limits (a real overlap row, not missing data).

Population history for 20877

IRS populationACS population
42,19321,097020052023

Hover a year for IRS and ACS values.

ZIP codes near 20877

  1. 20884Gaithersburg0.0 miPop 504 · Income —
  2. 20885Gaithersburg0.0 miPop 324 · Income —
  3. 20898Gaithersburg0.0 miPop 363 · Income —
  4. 20899Gaithersburg0.5 miPop 106 · Income $23,917
  5. 20880Washington Grove2.1 miPop 590 · Income $160,417
  6. 20883Gaithersburg2.3 miPop 189 · Income —
  7. 20878Gaithersburg2.6 miPop 65,236 · Income $142,062
  8. 20879Gaithersburg2.6 miPop 26,120 · Income $105,109
  9. 20874Germantown3.4 miPop 62,233 · Income $109,648
  10. 20875Germantown3.4 miPop 818 · Income —
  11. 20886Montgomery Village3.5 miPop 34,419 · Income $98,767
  12. 20855Derwood4.3 miPop 16,557 · Income $147,708

ZIP code 20877 FAQ

What city is ZIP code 20877 in?
20877 is in Gaithersburg, MD.
What county is 20877 in?
20877 is in Montgomery County.
What is the median household income in 20877?
The median household income in 20877 is $86,103.
Which ZIP codes are near 20877?
Use the radius tool on this page to list ZIP codes within a chosen distance of 20877.