US ZIP Code Map

ZIP code

18103

Allentown, PA

STANDARD

18103 covers Allentown in Lehigh County, with 47,336 people in the ACS estimate.

Map of 18103, Allentown

ZIP code map

ACS population

47,336

Median household income

$72,545

Median home value

$242,400

About ZIP code 18103

Type

STANDARD

City

Allentown

County

Lehigh County

Timezone

America/New_York

Area codes

484, 610, 835

Land area

17.2 sq mi

Water area

0.11 sq mi

Households

19,769

Median gross rent

$1,333

More enterprise fields

Timezone
America/New_York
Area Codes
484, 610, 835
World Region
NA
Country
US
Housing Count
19,229
Irs Estimated Households
24,830
Population Count
48,358
Irs Estimated Population
43,800

People in 18103

Race

  • White26,249
  • Black or African American4,179
  • American Indian or Alaska Native226
  • Asian1,343
  • Native Hawaiian and Pacific Islander23
  • Other race9,903
  • Two or more races6,435

Hispanic or Latino (any race): 18,918

Age

  • Under 106,026
  • 10 to 196,100
  • 20 to 296,598
  • 30 to 396,311
  • 40 to 495,706
  • 50 to 596,037
  • 60 to 695,919
  • 70 to 793,582
  • 80 and older2,079

Income and housing in 18103

Poverty rate

11.2%

Median earnings

$38,377

Median household income

$72,545

Median home value

$242,400

Median gross rent

$1,333

Education

  • High school graduate88.1%
  • Bachelor's degree27.5%
  • Graduate degree9.2%

Places covering 18103

Cities and places

Counties

19.8% of this ZIP is outside city limits (a real overlap row, not missing data).

Population history for 18103

IRS populationACS population
52,94526,472020052023

Hover a year for IRS and ACS values.

ZIP codes near 18103

  1. 18101Allentown0.7 miPop 5,789 · Income $41,542
  2. 18175Allentown0.9 miPop — · Income —
  3. 18105Allentown1.3 miPop 31 · Income —
  4. 18102Allentown1.5 miPop 51,315 · Income $40,681
  5. 18052Whitehall2.8 miPop 29,271 · Income $69,499
  6. 18109Allentown3.8 miPop 18,117 · Income $55,437
  7. 18032Catasauqua4.2 miPop 9,459 · Income $79,700
  8. 18049Emmaus4.3 miPop 18,693 · Income $93,924
  9. 18098Emmaus4.3 miPop — · Income —
  10. 18099Emmaus4.3 miPop — · Income —
  11. 18104Allentown4.4 miPop 47,999 · Income $94,279
  12. 18034Center Valley4.9 miPop 9,501 · Income $134,137

ZIP code 18103 FAQ

What city is ZIP code 18103 in?
18103 is in Allentown, PA.
What county is 18103 in?
18103 is in Lehigh County.
What is the median household income in 18103?
The median household income in 18103 is $72,545.
Which ZIP codes are near 18103?
Use the radius tool on this page to list ZIP codes within a chosen distance of 18103.