18102 ZIP Code — Allentown, PA

Lehigh County, Pennsylvania

ZIP code 18102 is located in Allentown, Pennsylvania, within Lehigh County. It covers approximately 2.98 square miles and serves a population of 51,640 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 484/610.

About ZIP code 18102

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 $135,900. Renters make up the majority at 69%, typical of denser urban areas.

Median household income is $41,390. Poverty affects 29% of residents, above the national average. SNAP benefit usage at 45% of households reflects economic stress in the area.

The dominant occupation class is production, transportation, and material moving, with education and healthcare as the leading industry. The average commute of 24 minutes is near the national average.

College attainment at 10% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of smoking (26%) compared to national benchmarks.

Notable community characteristics include Spanish spoken in 33% of households.

Overall, ZIP code 18102 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, and elevated reliance on food assistance.

51,640

population

2.98

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

18102 ZIP code map

Cities in ZIP code 18102

Below are the cities the US Postal Service accepts for ZIP code 18102. Using any city not on this list may result in mail delivery delays.

City	Status
Allentown	Preferred

Nearby ZIP codes

18101 Allentown (0.5 mi) 18025 Bethlehem (1 mi) 18103 Allentown (2.3 mi) 18003 Lehigh Valley (3.4 mi) 18032 Catasauqua (3.4 mi) 18109 Allentown (3.5 mi) 18104 Allentown (3.5 mi) 18052 Whitehall (3.7 mi) 18018 Bethlehem (4.7 mi) 18098 Emmaus (4.8 mi) 18099 Emmaus (4.8 mi) 18195 Allentown (5.2 mi)

Demographics updated 08/2026

Population
Total population	51,640
Population density	17,329 / sq mi
State FIPS	42
County FIPS	077

Geography
Land area	2.98 sq mi
Water area	0.11 sq mi
Latitude	40.6074
Longitude	-75.4782
Timezone	Eastern (ET)
Area code	484/610

Total population by age

Gender

Race & ethnicity

Economics updated 08/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	65.7%	37.9%	39.8%
$50k – $100k	26.3%	30.5%	30.8%
$100k – $200k	7.5%	24.2%	22.4%
Over $200k	0.5%	7.4%	7.1%

Demographics & statistics

51,640

Population

17,329

People per sq mi

30.5

Median age

$41,390

Median household income

$18,602

Per capita income

$135,900

Median home value

$1,143

Median monthly rent

30.7%

Home ownership

29.2%

Poverty rate

11.0%

Unemployment

7,162

Housing units

10.0%

Bachelor's or higher

Age distribution

Male Female

1,926

Under 5

1,952

2,113

5–9

2,141

2,497

10–14

2,530

1,997

15–19

2,024

2,133

20–24

2,162

3,838

25–34

3,889

3,373

35–44

3,417

2,544

45–54

2,578

1,575

55–59

1,596

1,228

60–64

1,244

1,582

65–74

1,603

571

75–84

578

273

85+

276

← Male

Female →

Age summary

Group	Count	%
Under 18	15,756	30.5%
18 and over	35,884	69.5%
65 and over	4,883	9.5%
Median age	30.5 years

Race & ethnicity

Hispanic or Latino 30.8%

White 25.4%

Two or more races 16.7%

Other race 15.9%

Black or African American 10.3%

Asian 0.5%

American Indian / Alaska Native 0.4%

Group	Count	%
Hispanic or Latino	22,976	30.8%
White	18,942	25.4%
Two or more races	12,496	16.7%
Other race	11,852	15.9%
Black or African American	7,664	10.3%
Asian	353	0.5%
American Indian / Alaska Native	331	0.4%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	65.7%	37.9%	39.8%
$50k – $100k	26.3%	30.5%	30.8%
$100k – $200k	7.5%	24.2%	22.4%
Over $200k	0.5%	7.4%	7.1%

Under $10k 6.3%

$10k–$15k 8.8%

$15k–$25k 11.6%

$25k–$35k 15.6%

$35k–$50k 14.7%

$50k–$75k 18.8%

$75k–$100k 11.7%

$100k–$150k 8.9%

$150k–$200k 2.8%

$200k+ 0.9%

Range	% of households
Under $10k	6.3%
$10k–$15k	8.8%
$15k–$25k	11.6%
$25k–$35k	15.6%
$35k–$50k	14.7%
$50k–$75k	18.8%
$75k–$100k	11.7%
$100k–$150k	8.9%
$150k–$200k	2.8%
$200k+	0.9%
Median income	$41,390

Housing

Home values

Under $50k 4.3%

$50k–$100k 21.3%

$100k–$150k 35.4%

$150k–$200k 23.5%

$200k–$300k 12.3%

$300k–$500k 2.5%

$500k–$1M 0.5%

$1M+ 0.2%

Housing overview

Metric	Value
Median home value	$135,900
Median rent / month	$1,143
Owner occupied	30.7%
Renter occupied	69.3%
Vacant	9.8%
Single-family detached	11.9%
Large apartment buildings	10.2%
Mobile homes	0.0%
Median rooms	5.3
Avg household size (owned)	3.03

Year built

Era	%
2020 or later	0.2%
2010–2019	0.8%
2000–2009	0.6%
1990–1999	2.0%
1980–1989	1.6%
1970–1979	7.3%
1960–1969	8.8%
1950–1959	5.6%
1940–1949	7.8%
1939 or earlier	65.3%

Bedrooms

Size	% of units
No bedroom (studio)	4.2%
1 bedroom	18.6%
2 bedrooms	23.2%
3 bedrooms	26.5%
4 bedrooms	12.1%
5+ bedrooms	15.4%

Vehicles per household

Vehicles	% of households
No vehicle	24.7%
1 vehicle	44.1%
2 vehicles	20.0%
3 or more	11.2%

Heating fuel

Fuel type	%
Utility gas	43.7%
Electricity	41.6%
Propane / LP gas	2.1%
Fuel oil	11.7%
Wood	0.1%
No fuel used	0.5%

Households & families

Household type	Count	%
Married-couple family	4,486	26.1%
Cohabiting couple	1,770	10.3%
Male householder, no spouse	3,934	22.9%
Female householder, no spouse	7,023	40.8%
Households with children under 18	6,525	37.9%
Households with seniors (65+)	4,289	24.9%
Average household size	2.98

Marital status

Status	Male	Female
Never married	54.6%	51.2%
Married	28.9%	26.6%
Separated	3.8%	5.6%
Widowed	2.8%	6.9%
Divorced	9.9%	9.9%

Education

Less than 9th grade 12.7%

Some HS, no diploma 12.1%

HS graduate 38.5%

Some college, no degree 20.1%

Associate's degree 6.6%

Bachelor's degree 7.2%

Graduate / professional 2.8%

Metric	%
HS diploma or higher	75.2%
Bachelor's or higher	10.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	414	3.0%
Kindergarten	1,059	7.7%
Elementary school	6,910	50.0%
High school	3,527	25.5%
College / grad school	1,911	13.8%

Employment

Industry of employment

Education & healthcare 19.4%

Transportation & utilities 15.4%

Retail trade 12.6%

Manufacturing 12.3%

Arts, food & hospitality 10.7%

Professional & management 8.8%

Other services 5.8%

Wholesale trade 5.1%

Construction 4.0%

Finance & real estate 3.1%

Public administration 1.0%

Agriculture & mining 0.9%

Information 0.8%

Occupation

Category	%
Management, business & arts	14.7%
Service	23.9%
Sales & office	19.1%
Natural resources & construction	7.2%
Production & transportation	35.0%

Employment type

Type	%
Private sector	92.0%
Government	3.0%
Self-employed	5.0%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	63.3%
Carpool	16.9%
Public transit	5.7%
Walk	4.5%
Work from home	4.9%
Other means	4.8%
Avg commute (minutes)	23.8

Poverty

All people 29.2%

Under 18 years 39.8%

18 and over 24.5%

Married-couple families 14.2%

Female-led households 30.7%

Income support

Source	% of households
Social Security	29.5%
Retirement income	11.0%
Supplemental Security	12.5%
Cash public assistance	8.4%
Food stamps / SNAP	44.6%

Health indicators

Condition	%
Obesity	43.9%
High blood pressure	33.5%
High cholesterol	30.1%
Diabetes	14.8%
Heart disease	6.9%
Stroke	3.7%
Asthma	11.8%
Arthritis	24.4%
Kidney disease	3.6%
Pulmonary disease	8.7%
Cancer	4.5%

Behavior / access	%
Smoking	25.7%
Binge drinking	16.7%
No physical activity	38.6%
Less than 7 hrs sleep	43.0%
Depression	23.0%
Fair or poor health	26.5%
Poor mental health	19.4%
Poor physical health	15.5%
No health insurance	27.0%
Visited doctor (checkup)	76.9%
Visited dentist	46.7%
Cholesterol screening	82.9%
Teeth loss	26.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	928	2.6%

Disability	%
Any disability	18.5%
Under 18	9.6%
18–64 years	19.4%
65 and over	42.8%

Health insurance coverage

Type	%
Private insurance	33.4%
Public insurance	58.8%
No insurance	14.1%
Uninsured under 19	4.9%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	47,762	92.5%
Spanish	15,578	32.6%
Other Indo-European	14,838	31.1%
Asian & Pacific Islander	220	0.5%
Other languages	160	0.3%

Place of birth & citizenship

Origin	Count	%
Native born (US)	40,064	77.6%
Born in same state	30,855	59.8%
Born in different state	18,574	36.0%
Foreign born	9,209	17.8%
Naturalized citizen	11,576	22.4%
Not a US citizen	4,789	41.4%

Ancestry

Ancestry	Count	%
Italian	1,521	2.9%
Arab	853	1.7%
French	739	1.4%
English	218	0.4%

Ancestry	Count	%
Irish	143	0.3%
Norwegian	37	0.1%
German	4	0%
Polish	4	0%

Technology access

Metric	% of households
Computer access	33.3%
Internet access	89.2%

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

Frequently asked questions about ZIP code 18102

What part of Allentown is ZIP code 18102?

ZIP code 18102 covers a portion of Allentown, Pennsylvania, within Lehigh County.

What county is ZIP code 18102 in?

ZIP code 18102 falls within Lehigh County, Pennsylvania.

Is ZIP code 18102 mostly rentals?

69% of occupied units in ZIP code 18102 are renter-occupied.

Is Spanish widely spoken in ZIP code 18102?

Approximately 33% of households in ZIP code 18102 speak Spanish as a primary language.

Is ZIP code 18102 family-oriented?

31% of residents in ZIP code 18102 are under 18, reflecting a younger, family-oriented community.

What is the poverty rate in ZIP code 18102?

29% of residents in ZIP code 18102 live below the poverty line, above the national average.

What timezone is ZIP code 18102 in?

ZIP code 18102 observes the EST timezone.