US ZIP Code Map

ZIP code

21104

Marriottsville, MD

STANDARD

21104 covers Marriottsville in Howard County, with 5,786 people in the ACS estimate.

Map of 21104, Marriottsville

ZIP code map

ACS population

5,786

Median household income

$199,803

Median home value

$659,700

About ZIP code 21104

Type

STANDARD

City

Marriottsville

County

Howard County

Timezone

America/New_York

Area codes

410, 443, 667

Land area

17.1 sq mi

Water area

0.81 sq mi

Households

1,985

Acceptable cities: Henryton, Marriottsvl, Woodstock

More enterprise fields

Timezone
America/New_York
Area Codes
410, 443, 667
World Region
NA
Country
US
Housing Count
2,063
Irs Estimated Households
2,960
Population Count
5,686
Irs Estimated Population
5,880

People in 21104

Race

  • White4,447
  • Black or African American255
  • American Indian or Alaska Native10
  • Asian616
  • Other race40
  • Two or more races318

Hispanic or Latino (any race): 172

Age

  • Under 10543
  • 10 to 19838
  • 20 to 29540
  • 30 to 39480
  • 40 to 49574
  • 50 to 59880
  • 60 to 69943
  • 70 to 79692
  • 80 and older196

Income and housing in 21104

Poverty rate

2.5%

Median earnings

$92,258

Median household income

$199,803

Median home value

$659,700

Education

  • High school graduate98.3%
  • Bachelor's degree63.3%
  • Graduate degree25.0%

Places covering 21104

Cities and places

38.0% of this ZIP is outside city limits (a real overlap row, not missing data).

Population history for 21104

IRS populationACS population
6,7093,354020052023

Hover a year for IRS and ACS values.

ZIP codes near 21104

  1. 21163Woodstock2.3 miPop 7,031 · Income $131,154
  2. 21784Sykesville4.5 miPop 37,813 · Income $141,228
  3. 21794West Friendship4.7 miPop 2,326 · Income $223,833
  4. 21133Randallstown5.0 miPop 31,847 · Income $84,248
  5. 21244Windsor Mill6.0 miPop 39,545 · Income $84,849
  6. 21723Cooksville6.0 miPop 587 · Income $250,001
  7. 21041Ellicott City6.4 miPop 452 · Income —
  8. 21042Ellicott City6.4 miPop 43,021 · Income $190,504
  9. 21117Owings Mills6.8 miPop 61,337 · Income $100,934
  10. 21043Ellicott City7.9 miPop 47,134 · Income $141,846
  11. 21136Reisterstown8.1 miPop 33,778 · Income $106,559
  12. 21738Glenwood8.5 miPop 3,668 · Income $230,429

ZIP code 21104 FAQ

What city is ZIP code 21104 in?
21104 is in Marriottsville, MD.
What county is 21104 in?
21104 is in Howard County.
What is the median household income in 21104?
The median household income in 21104 is $199,803.
Which ZIP codes are near 21104?
Use the radius tool on this page to list ZIP codes within a chosen distance of 21104.