US Census Data

ZIP Code 18103

ZIP Code Tabulation Area in Lehigh County, Pennsylvania.

Population
47,336
+2.0%’19–’23
Median household income
$72,545
+29.4%’19–’23
Median home value
$242,400
+46.4%’19–’23

ZIP Code 18103 is a ZIP Code Tabulation Area in Lehigh County, Pennsylvania, home to about 47,336 residents. At $72,545, its median household income sits below Lehigh County's $77,493.

From 2019 to 2023, ZIP Code 18103's population grew 2.0% from 46,393 to 47,336, while its median gross rent rose 22.5% from $1,088 to $1,333.

50.9% of homes are single-family detached houses. The typical home was built around 1964.

Demographics

ACS 2019–2023
Population
47,336
Median age
39.8 yrs
Median household income
$72,545
Median home value
$242,400
Median gross rent
$1,333
Housing units
19,769
Homeownership rate
62.0%
Bachelor's degree or higher
27.5%
Unemployment rate
5.8%

Trends

ACS 5-year · 2019–2023
Population
46,39347,336
Median household income
$56,066$72,545
Median home value
$165,600$242,400
Median gross rent
$1,088$1,333
YearPopulationMedian household incomeMedian home valueMedian gross rent
201946,393$56,066$165,600$1,088
202046,884$62,586$174,100$1,111
202149,023$66,400$188,900$1,173
202248,344$70,069$226,000$1,269
202347,336$72,545$242,400$1,333

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

CountShare
Under 53,3537.1%
5 to 176,92614.6%
18 to 243,9278.3%
25 to 347,09515.0%
35 to 445,20311.0%
45 to 545,41211.4%
55 to 646,96514.7%
65 to 744,79410.1%
75 and over3,6617.7%

Race & ethnicity

CountShare
White (non-Hispanic)21,97846.4%
Black or African American4,1128.7%
American Indian & Alaska Native330.1%
Asian1,4623.1%
Native Hawaiian & Pacific Islander00.0%
Some other race2760.6%
Two or more races1,3792.9%
Hispanic or Latino (any race)18,09638.2%

Educational attainment (age 25+)

CountShare
No high school diploma3,94811.9%
High school graduate11,82335.7%
Some college or associate's8,24224.9%
Bachelor's degree6,07118.3%
Graduate or professional degree3,0469.2%

Commute to work

Mean travel time to work
25 min

How workers get to work

CountShare
Drove alone18,74779.8%
Carpooled1,6707.1%
Public transit3391.4%
Walked4461.9%
Bicycle210.1%
Worked from home1,7987.7%
Other means4722.0%

Travel time

CountShare
Under 15 min4,78022.0%
15 to 29 min10,82349.9%
30 to 44 min3,98218.4%
45 to 59 min6322.9%
60+ min1,4786.8%

Households

Average household size
2.48
Poverty rate
11.2% (5,232 of 46,557)
CountShare
Family households12,65267.4%
Nonfamily households6,12632.6%

Housing

Median year structure built
1964

Occupancy

CountShare
Occupied18,77895.0%
Vacant9915.0%

Tenure (of occupied units)

CountShare
Owner-occupied11,63762.0%
Renter-occupied7,14138.0%

Units in structure

CountShare
1-unit, detached10,06550.9%
1-unit, attached4,44922.5%
2 to 4 units1,4167.2%
5 to 19 units2,67513.5%
20 or more units1,0995.6%
Mobile home & other650.3%

Geography

ZCTA
18103
Land area
17 sq mi
Water area
0.11 sq mi
Center point
40.5703, -75.4889

Counties this ZIP covers

1

Compare with nearby ZIP codes

5

National ZIP rankings

21

Nearby ZIP codes

5