US ZIP Code Map

ZIP code

21738

Glenwood, MD

STANDARD

21738 covers Glenwood in Howard County, with 3,668 people in the ACS estimate.

Map of 21738, Glenwood

ZIP code map

ACS population

3,668

Median household income

$230,429

Median home value

$889,100

About ZIP code 21738

Type

STANDARD

City

Glenwood

County

Howard County

Timezone

America/New_York

Area codes

410, 443, 667

Land area

7.0 sq mi

Water area

0.04 sq mi

Households

1,166

More enterprise fields

Timezone
America/New_York
Area Codes
410, 443, 667
World Region
NA
Country
US
Housing Count
1,105
Irs Estimated Households
1,660
Population Count
3,373
Irs Estimated Population
3,540

People in 21738

Race

  • White2,735
  • Black or African American125
  • American Indian or Alaska Native9
  • Asian245
  • Other race36
  • Two or more races223

Hispanic or Latino (any race): 124

Age

  • Under 10320
  • 10 to 19553
  • 20 to 29294
  • 30 to 39283
  • 40 to 49404
  • 50 to 59701
  • 60 to 69451
  • 70 to 79258
  • 80 and older109

Income and housing in 21738

Poverty rate

3.0%

Median earnings

$96,855

Median household income

$230,429

Median home value

$889,100

Education

  • High school graduate98.0%
  • Bachelor's degree75.9%
  • Graduate degree42.0%

Places covering 21738

Cities and places

No place overlap rows for this ZIP.

Counties

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

Population history for 21738

IRS populationACS population
4,5202,260020052023

Hover a year for IRS and ACS values.

ZIP codes near 21738

  1. 21737Glenelg2.1 miPop 2,384 · Income $250,001
  2. 21723Cooksville3.6 miPop 587 · Income $250,001
  3. 21036Dayton3.6 miPop 2,162 · Income $170,313
  4. 21794West Friendship4.0 miPop 2,326 · Income $223,833
  5. 21797Woodbine4.1 miPop 8,772 · Income $185,435
  6. 21765Lisbon4.4 miPop 193 · Income —
  7. 21784Sykesville6.8 miPop 37,813 · Income $141,228
  8. 20862Brinklow6.9 miPop 393 · Income $242,721
  9. 21029Clarksville7.0 miPop 13,783 · Income $250,001
  10. 20882Gaithersburg7.5 miPop 13,661 · Income $186,964
  11. 20833Brookeville7.8 miPop 7,868 · Income $203,631
  12. 21104Marriottsville8.5 miPop 5,786 · Income $199,803

ZIP code 21738 FAQ

What city is ZIP code 21738 in?
21738 is in Glenwood, MD.
What county is 21738 in?
21738 is in Howard County.
What is the median household income in 21738?
The median household income in 21738 is $230,429.
Which ZIP codes are near 21738?
Use the radius tool on this page to list ZIP codes within a chosen distance of 21738.