18015 ZIP Code — Bethlehem, PA

Northampton County, Pennsylvania

ZIP code 18015 is located in Bethlehem, Pennsylvania, within Northampton County. It covers approximately 23.19 square miles and serves a population of 33,472 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 484/610.

About ZIP code 18015

The housing stock consists of a mix of housing types. Most homes were built in the pre-1940, giving the area an established character. Median home value is $216,700. Owner-occupancy sits near the national average at 49%.

The gap between median ($51,636) and mean household income suggests income inequality — a small number of higher earners pull the average up. Poverty affects 19% of residents, above the national average. SNAP benefit usage at 25% of households reflects economic stress in the area. 31% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 23 minutes is near the national average.

Educational attainment is near the national average, with 30% of residents holding a bachelor's degree or higher.

Overall, ZIP code 18015 reflects a community defined by economic challenges above the national average, a significant Social Security-dependent population, and elevated reliance on food assistance.

33,472

population

23.19

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

18015 ZIP code map

Cities in ZIP code 18015

Below are the cities the US Postal Service accepts for ZIP code 18015. Using any city not on this list may result in mail delivery delays.

City	Status
Bethlehem	Acceptable
Bethlehem	Preferred

Nearby ZIP codes

18016 Bethlehem (2.8 mi) 18018 Bethlehem (3.4 mi) 18034 Center Valley (3.5 mi) 18055 Hellertown (3.7 mi) 18025 Bethlehem (4.9 mi) 18109 Allentown (5.1 mi) 18003 Lehigh Valley (5.2 mi) 18017 Bethlehem (5.3 mi) 18101 Allentown (5.5 mi) 18102 Allentown (5.9 mi) 18103 Allentown (5.9 mi) 18036 Coopersburg (6 mi)

Demographics updated 05/2026

Population
Total population	33,472
Population density	1,443 / sq mi
State FIPS	42
County FIPS	095

Geography
Land area	23.19 sq mi
Water area	0.34 sq mi
Latitude	40.5844
Longitude	-75.3698
Timezone	Eastern (ET)
Area code	484/610

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	51.2%	34.3%	39.8%
$50k – $100k	27.1%	31.7%	30.8%
$100k – $200k	16.3%	26.5%	22.4%
Over $200k	5.5%	7.5%	7.1%

Demographics & statistics

33,472

Population

1,443

People per sq mi

32.3

Median age

$51,636

Median household income

$35,168

Per capita income

$216,700

Median home value

$1,165

Median monthly rent

48.9%

Home ownership

18.9%

Poverty rate

6.8%

Unemployment

6,671

Housing units

29.6%

Bachelor's or higher

Age distribution

Male Female

732

Under 5

712

601

5–9

584

959

10–14

931

2,118

15–19

2,058

2,311

20–24

2,245

2,306

25–34

2,241

1,957

35–44

1,901

1,773

45–54

1,724

945

55–59

919

903

60–64

877

1,395

65–74

1,355

634

75–84

616

342

85+

333

← Male

Female →

Age summary

Group	Count	%
Under 18	5,671	16.9%
18 and over	27,801	83.1%
65 and over	4,675	14.0%
Median age	32.3 years

Race & ethnicity

White 52.8%

Hispanic or Latino 14.9%

Other race 9.9%

Black or African American 9.6%

Two or more races 8.6%

Asian 4.1%

American Indian / Alaska Native 0.1%

Group	Count	%
White	20,765	52.8%
Hispanic or Latino	5,875	14.9%
Other race	3,904	9.9%
Black or African American	3,767	9.6%
Two or more races	3,402	8.6%
Asian	1,605	4.1%
American Indian / Alaska Native	29	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	51.2%	34.3%	39.8%
$50k – $100k	27.1%	31.7%	30.8%
$100k – $200k	16.3%	26.5%	22.4%
Over $200k	5.5%	7.5%	7.1%

Under $10k 5.6%

$10k–$15k 6.3%

$15k–$25k 9.4%

$25k–$35k 10.2%

$35k–$50k 17.4%

$50k–$75k 13.7%

$75k–$100k 10.3%

$100k–$150k 12.1%

$150k–$200k 7.1%

$200k+ 7.9%

Range	% of households
Under $10k	5.6%
$10k–$15k	6.3%
$15k–$25k	9.4%
$25k–$35k	10.2%
$35k–$50k	17.4%
$50k–$75k	13.7%
$75k–$100k	10.3%
$100k–$150k	12.1%
$150k–$200k	7.1%
$200k+	7.9%
Median income	$51,636

Housing

Home values

Under $50k 3.0%

$50k–$100k 3.4%

$100k–$150k 19.1%

$150k–$200k 19.1%

$200k–$300k 22.6%

$300k–$500k 13.3%

$500k–$1M 15.9%

$1M+ 3.6%

Housing overview

Metric	Value
Median home value	$216,700
Median rent / month	$1,165
Owner occupied	48.9%
Renter occupied	51.1%
Vacant	7.1%
Single-family detached	38.5%
Large apartment buildings	8.9%
Mobile homes	0.3%
Median rooms	5.8
Avg household size (owned)	2.53

Year built

Era	%
2020 or later	0.0%
2010–2019	4.7%
2000–2009	6.7%
1990–1999	6.1%
1980–1989	6.4%
1970–1979	7.8%
1960–1969	5.9%
1950–1959	10.7%
1940–1949	6.7%
1939 or earlier	45.0%

Bedrooms

Size	% of units
No bedroom (studio)	2.3%
1 bedroom	17.5%
2 bedrooms	22.2%
3 bedrooms	33.6%
4 bedrooms	15.4%
5+ bedrooms	9.0%

Vehicles per household

Vehicles	% of households
No vehicle	16.7%
1 vehicle	35.5%
2 vehicles	32.4%
3 or more	15.3%

Heating fuel

Fuel type	%
Utility gas	39.1%
Electricity	38.3%
Propane / LP gas	2.2%
Fuel oil	16.9%
Wood	0.9%
Solar	0.2%
No fuel used	0.4%

Households & families

Household type	Count	%
Married-couple family	4,451	37.7%
Cohabiting couple	1,168	9.9%
Male householder, no spouse	2,352	19.9%
Female householder, no spouse	3,829	32.4%
Households with children under 18	2,990	25.3%
Households with seniors (65+)	3,392	28.7%
Average household size	2.46

Marital status

Status	Male	Female
Never married	57.2%	47.2%
Married	34.0%	34.0%
Separated	1.2%	2.3%
Widowed	1.5%	8.4%
Divorced	6.1%	8.1%

Education

Less than 9th grade 4.6%

Some HS, no diploma 8.6%

HS graduate 32.7%

Some college, no degree 16.0%

Associate's degree 8.5%

Bachelor's degree 14.0%

Graduate / professional 15.5%

Metric	%
HS diploma or higher	86.9%
Bachelor's or higher	29.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	340	3.0%
Kindergarten	273	2.4%
Elementary school	2,322	20.5%
High school	1,634	14.4%
College / grad school	6,778	59.7%

Employment

Industry of employment

Education & healthcare 33.7%

Retail trade 12.0%

Arts, food & hospitality 11.0%

Manufacturing 9.2%

Professional & management 8.8%

Transportation & utilities 6.4%

Construction 4.5%

Wholesale trade 4.5%

Finance & real estate 3.4%

Other services 3.1%

Public administration 1.7%

Information 1.4%

Agriculture & mining 0.3%

Occupation

Category	%
Management, business & arts	37.8%
Service	21.6%
Sales & office	14.8%
Natural resources & construction	6.3%
Production & transportation	19.4%

Employment type

Type	%
Private sector	88.3%
Government	7.2%
Self-employed	4.4%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	65.4%
Carpool	6.0%
Public transit	3.9%
Walk	6.0%
Work from home	12.9%
Other means	5.8%
Avg commute (minutes)	23.1

Poverty

All people 18.9%

Under 18 years 21.7%

18 and over 18.2%

Married-couple families 3.3%

Female-led households 23.3%

Income support

Source	% of households
Social Security	31.4%
Retirement income	19.5%
Supplemental Security	11.6%
Cash public assistance	11.0%
Food stamps / SNAP	24.8%

Health indicators

Condition	%
Obesity	33.0%
High blood pressure	27.9%
High cholesterol	27.5%
Diabetes	10.0%
Heart disease	5.4%
Stroke	2.6%
Asthma	10.7%
Arthritis	22.6%
Kidney disease	2.7%
Pulmonary disease	6.2%
Cancer	4.8%

Behavior / access	%
Smoking	18.8%
Binge drinking	19.0%
No physical activity	26.1%
Less than 7 hrs sleep	37.3%
Depression	22.8%
Fair or poor health	16.2%
Poor mental health	17.6%
Poor physical health	10.7%
No health insurance	16.1%
Visited doctor (checkup)	75.7%
Visited dentist	58.7%
Cholesterol screening	83.0%
Teeth loss	15.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	981	3.5%

Disability	%
Any disability	15.3%
Under 18	10.9%
18–64 years	12.7%
65 and over	34.5%

Health insurance coverage

Type	%
Private insurance	66.5%
Public insurance	37.4%
No insurance	6.6%
Uninsured under 19	3.2%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	32,028	95.7%
Spanish	3,586	11.2%
Other Indo-European	3,032	9.5%
Asian & Pacific Islander	262	0.8%
Other languages	268	0.8%

Place of birth & citizenship

Origin	Count	%
Native born (US)	29,363	87.7%
Born in same state	26,040	77.8%
Born in different state	16,008	47.8%
Foreign born	3,323	9.9%
Naturalized citizen	4,109	12.3%
Not a US citizen	1,324	32.2%

Ancestry

Ancestry	Count	%
Italian	3,623	10.8%
Arab	2,287	6.8%
French	1,114	3.3%
Irish	917	2.7%
English	480	1.4%

Ancestry	Count	%
Norwegian	66	0.2%
Polish	38	0.1%
German	34	0.1%
Dutch	9	0%

Technology access

Metric	% of households
Computer access	35.3%
Internet access	89.5%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 18015

What city is ZIP code 18015 in?

ZIP code 18015 is primarily assigned to Bethlehem, Pennsylvania.

What county is ZIP code 18015 in?

ZIP code 18015 falls within Northampton County, Pennsylvania.

What is the poverty rate in ZIP code 18015?

19% of residents in ZIP code 18015 live below the poverty line, above the national average.

What is the population of ZIP code 18015?

ZIP code 18015 has an estimated population of 33,472 residents, with a density of 1,443 people per square mile.

What is the median household income in ZIP code 18015?

The median household income in ZIP code 18015 is $51,636, below the national median of ~$75,000.

What is the typical home value in ZIP code 18015?

The median home value in ZIP code 18015 is $216,700.

What timezone is ZIP code 18015 in?

ZIP code 18015 observes the EST timezone.