US ZIP Code Map

ZIP code

21757

Keymar, MD

STANDARD

21757 covers Keymar in Frederick County, with 2,810 people in the ACS estimate.

Map of 21757, Keymar

ZIP code map

ACS population

2,810

Median household income

$98,520

Median home value

$414,300

About ZIP code 21757

Type

STANDARD

City

Keymar

County

Frederick County

Timezone

America/New_York

Area codes

227, 240, 301, 410, 443, 667

Land area

35.2 sq mi

Water area

0.09 sq mi

Households

1,129

Median gross rent

$1,345

Acceptable cities: Detour, Middleburg

More enterprise fields

Timezone
America/New_York
Area Codes
227, 240, 301, 410, 443, 667
World Region
NA
Country
US
Housing Count
1,162
Irs Estimated Households
1,400
Population Count
2,870
Irs Estimated Population
2,670

People in 21757

Race

  • White2,618
  • Black or African American63
  • American Indian or Alaska Native14
  • Asian18
  • Native Hawaiian and Pacific Islander1
  • Other race19
  • Two or more races137

Hispanic or Latino (any race): 84

Age

  • Under 10298
  • 10 to 19383
  • 20 to 29269
  • 30 to 39293
  • 40 to 49275
  • 50 to 59516
  • 60 to 69434
  • 70 to 79272
  • 80 and older130

Income and housing in 21757

Poverty rate

1.3%

Median earnings

$51,440

Median household income

$98,520

Median home value

$414,300

Median gross rent

$1,345

Education

  • High school graduate92.3%
  • Bachelor's degree26.9%
  • Graduate degree12.4%

Places covering 21757

Cities and places

No place overlap rows for this ZIP.

100.0% of this ZIP is outside city limits (a real overlap row, not missing data).

Population history for 21757

IRS populationACS population
3,6411,820020052023

Hover a year for IRS and ACS values.

ZIP codes near 21757

  1. 21759Ladiesburg2.1 miPop 20 · Income —
  2. 21775New Midway3.5 miPop 21 · Income —
  3. 21778Rocky Ridge4.0 miPop 840 · Income $110,489
  4. 21798Woodsboro4.9 miPop 2,765 · Income $125,583
  5. 21791Union Bridge5.2 miPop 4,734 · Income $90,460
  6. 21787Taneytown6.7 miPop 11,549 · Income $88,212
  7. 21762Libertytown7.6 miPop 176 · Income —
  8. 21788Thurmont7.7 miPop 11,919 · Income $93,717
  9. 21727Emmitsburg8.2 miPop 6,079 · Income $92,697
  10. 21793Walkersville9.0 miPop 10,914 · Income $128,504
  11. 21776New Windsor9.2 miPop 5,905 · Income $111,923
  12. 21792Unionville9.7 miPop — · Income —

ZIP code 21757 FAQ

What city is ZIP code 21757 in?
21757 is in Keymar, MD.
What county is 21757 in?
21757 is in Frederick County.
What is the median household income in 21757?
The median household income in 21757 is $98,520.
Which ZIP codes are near 21757?
Use the radius tool on this page to list ZIP codes within a chosen distance of 21757.