US ZIP Code Map

ZIP code

20634

Great Mills, MD

STANDARD

20634 covers Great Mills in St. Mary's County, with 6,976 people in the ACS estimate.

Map of 20634, Great Mills

ZIP code map

ACS population

6,976

Median household income

$117,431

Median home value

$334,800

About ZIP code 20634

Type

STANDARD

City

Great Mills

County

St. Mary's County

Timezone

America/New_York

Area codes

227, 240, 301

Land area

7.0 sq mi

Water area

0.07 sq mi

Households

2,872

Median gross rent

$1,689

More enterprise fields

Timezone
America/New_York
Area Codes
227, 240, 301
World Region
NA
Country
US
Housing Count
2,875
Irs Estimated Households
3,560
Population Count
6,984
Irs Estimated Population
6,510

People in 20634

Race

  • White3,893
  • Black or African American1,907
  • American Indian or Alaska Native16
  • Asian309
  • Native Hawaiian and Pacific Islander7
  • Other race178
  • Two or more races674

Hispanic or Latino (any race): 571

Age

  • Under 101,039
  • 10 to 19870
  • 20 to 291,061
  • 30 to 391,121
  • 40 to 49900
  • 50 to 591,017
  • 60 to 69623
  • 70 to 79250
  • 80 and older103

Income and housing in 20634

Poverty rate

4.3%

Median earnings

$56,004

Median household income

$117,431

Median home value

$334,800

Median gross rent

$1,689

Education

  • High school graduate97.5%
  • Bachelor's degree40.6%
  • Graduate degree16.7%

Places covering 20634

Cities and places

Counties

26.2% of this ZIP is outside city limits (a real overlap row, not missing data).

Population history for 20634

IRS populationACS population
8,8544,427020052023

Hover a year for IRS and ACS values.

ZIP codes near 20634

  1. 20619California1.8 miPop 14,743 · Income $114,848
  2. 20620Callaway2.8 miPop 1,160 · Income $154,188
  3. 20653Lexington Park4.8 miPop 26,799 · Income $97,923
  4. 20670Patuxent River4.9 miPop 1,577 · Income $70,945
  5. 20688Solomons5.0 miPop 1,113 · Income $88,902
  6. 20667Park Hall5.1 miPop 98 · Income —
  7. 20636Hollywood5.8 miPop 10,357 · Income $159,800
  8. 20629Dowell5.8 miPop 1,067 · Income $90,400
  9. 20692Valley Lee6.2 miPop 438 · Income $120,491
  10. 20627Compton6.8 miPop 241 · Income —
  11. 20686Saint Marys City7.0 miPop 949 · Income —
  12. 20650Leonardtown7.2 miPop 15,979 · Income $139,688

ZIP code 20634 FAQ

What city is ZIP code 20634 in?
20634 is in Great Mills, MD.
What county is 20634 in?
20634 is in St. Mary's County.
What is the median household income in 20634?
The median household income in 20634 is $117,431.
Which ZIP codes are near 20634?
Use the radius tool on this page to list ZIP codes within a chosen distance of 20634.