US ZIP Code Map

ZIP code

21639

Greensboro, MD

STANDARD

21639 covers Greensboro in Caroline County, with 4,621 people in the ACS estimate.

Map of 21639, Greensboro

ZIP code map

ACS population

4,621

Median household income

$59,274

Median home value

$270,300

About ZIP code 21639

Type

STANDARD

City

Greensboro

County

Caroline County

Timezone

America/New_York

Area codes

302, 410, 443, 667

Land area

33.1 sq mi

Water area

0.32 sq mi

Households

1,890

Median gross rent

$1,017

More enterprise fields

Timezone
America/New_York
Area Codes
302, 410, 443, 667
World Region
NA
Country
US
Housing Count
1,767
Irs Estimated Households
2,260
Population Count
4,354
Irs Estimated Population
4,210

People in 21639

Race

  • White3,424
  • Black or African American316
  • American Indian or Alaska Native24
  • Asian31
  • Native Hawaiian and Pacific Islander1
  • Other race201
  • Two or more races357

Hispanic or Latino (any race): 342

Age

  • Under 10562
  • 10 to 19606
  • 20 to 29506
  • 30 to 39571
  • 40 to 49547
  • 50 to 59575
  • 60 to 69529
  • 70 to 79327
  • 80 and older131

Income and housing in 21639

Poverty rate

14.3%

Median earnings

$48,787

Median household income

$59,274

Median home value

$270,300

Median gross rent

$1,017

Education

  • High school graduate83.2%
  • Bachelor's degree12.2%
  • Graduate degree4.9%

Places covering 21639

Cities and places

Counties

55.9% of this ZIP is outside city limits (a real overlap row, not missing data).

Population history for 21639

IRS populationACS population
5,8432,921020052023

Hover a year for IRS and ACS values.

ZIP codes near 21639

  1. 21636Goldsboro4.3 miPop 913 · Income $66,818
  2. 21660Ridgely4.8 miPop 4,244 · Income $76,917
  3. 21681Ridgely4.8 miPop — · Income —
  4. 21682Ridgely4.8 miPop — · Income —
  5. 21683Ridgely4.8 miPop — · Income —
  6. 21684Ridgely4.8 miPop — · Income —
  7. 21685Ridgely4.8 miPop — · Income —
  8. 21686Ridgely4.8 miPop — · Income —
  9. 21687Ridgely4.8 miPop — · Income —
  10. 21688Ridgely4.8 miPop — · Income —
  11. 21629Denton6.3 miPop 10,285 · Income $70,117
  12. 21640Henderson7.2 miPop 1,251 · Income $65,952

ZIP code 21639 FAQ

What city is ZIP code 21639 in?
21639 is in Greensboro, MD.
What county is 21639 in?
21639 is in Caroline County.
What is the median household income in 21639?
The median household income in 21639 is $59,274.
Which ZIP codes are near 21639?
Use the radius tool on this page to list ZIP codes within a chosen distance of 21639.