US ZIP Code Map

ZIP code

21157

Westminster, MD

STANDARD

21157 covers Westminster in Carroll County, with 40,191 people in the ACS estimate.

Map of 21157, Westminster

ZIP code map

ACS population

40,191

Median household income

$102,835

Median home value

$394,100

About ZIP code 21157

Type

STANDARD

City

Westminster

County

Carroll County

Timezone

America/New_York

Area codes

410, 443, 667

Land area

77.7 sq mi

Water area

0.15 sq mi

Households

15,466

Median gross rent

$1,236

More enterprise fields

Timezone
America/New_York
Area Codes
410, 443, 667
World Region
NA
Country
US
Housing Count
15,074
Irs Estimated Households
18,660
Population Count
38,584
Irs Estimated Population
34,800

People in 21157

Race

  • White32,420
  • Black or African American1,809
  • American Indian or Alaska Native113
  • Asian765
  • Native Hawaiian and Pacific Islander18
  • Other race1,025
  • Two or more races2,434

Hispanic or Latino (any race): 2,385

Age

  • Under 104,061
  • 10 to 194,858
  • 20 to 294,974
  • 30 to 394,608
  • 40 to 494,128
  • 50 to 595,739
  • 60 to 695,212
  • 70 to 793,276
  • 80 and older1,728

Income and housing in 21157

Poverty rate

7.5%

Median earnings

$50,254

Median household income

$102,835

Median home value

$394,100

Median gross rent

$1,236

Education

  • High school graduate92.6%
  • Bachelor's degree37.2%
  • Graduate degree14.4%

Places covering 21157

Cities and places

Counties

73.4% of this ZIP is outside city limits (a real overlap row, not missing data).

Population history for 21157

IRS populationACS population
43,40621,703020052023

Hover a year for IRS and ACS values.

ZIP codes near 21157

  1. 21776New Windsor5.7 miPop 5,905 · Income $111,923
  2. 21158Westminster5.9 miPop 22,404 · Income $108,795
  3. 21792Unionville7.2 miPop — · Income —
  4. 21102Manchester8.1 miPop 12,176 · Income $119,535
  5. 21074Hampstead8.5 miPop 15,070 · Income $101,462
  6. 21048Finksburg8.5 miPop 10,002 · Income $122,801
  7. 21791Union Bridge9.1 miPop 4,734 · Income $90,460
  8. 21787Taneytown10.2 miPop 11,549 · Income $88,212
  9. 21020Boring10.7 miPop 116 · Income —
  10. 21155Upperco10.7 miPop 3,124 · Income $124,219
  11. 21071Glyndon12.3 miPop 355 · Income $138,456
  12. 17340Littlestown12.5 miPop 11,403 · Income $84,858

ZIP code 21157 FAQ

What city is ZIP code 21157 in?
21157 is in Westminster, MD.
What county is 21157 in?
21157 is in Carroll County.
What is the median household income in 21157?
The median household income in 21157 is $102,835.
Which ZIP codes are near 21157?
Use the radius tool on this page to list ZIP codes within a chosen distance of 21157.