18106 ZIP Code — Allentown, PA

Lehigh County, Pennsylvania

ZIP code 18106 is located in Allentown, Pennsylvania, within Lehigh County. It covers approximately 7.96 square miles and serves a population of 6,759 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 610.

About ZIP code 18106

The housing stock consists of a mix of housing types. Most homes were built in the 2000s, giving the area an established character. Median home value is $336,100. Owner-occupancy is high at 82%, well above the national average.

The gap between median ($84,918) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 6% is below the national average. 37% 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 26 minutes is near the national average.

Educational attainment is near the national average, with 44% of residents holding a bachelor's degree or higher.

Overall, ZIP code 18106 reflects a community defined by high homeownership and a significant Social Security-dependent population.

6,759

population

7.96

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

18106 ZIP code map

Cities in ZIP code 18106

Below are the cities the US Postal Service accepts for ZIP code 18106. Using any city not on this list may result in mail delivery delays.

City	Status
Allentown	Acceptable
Allentown	Preferred

Nearby ZIP codes

18195 Allentown (1.2 mi) 18087 Trexlertown (2.4 mi) 18104 Allentown (3.2 mi) 18069 Orefield (3.2 mi) 18051 Fogelsville (4.1 mi) 18031 Breinigsville (4.7 mi) 18062 Macungie (5.6 mi) 18103 Allentown (5.7 mi) 18098 Emmaus (5.7 mi) 18099 Emmaus (5.7 mi) 18102 Allentown (6 mi) 18078 Schnecksville (6.3 mi)

Demographics updated 05/2026

Population
Total population	6,759
Population density	849 / sq mi
State FIPS	42
County FIPS	077

Geography
Land area	7.96 sq mi
Water area	0.12 sq mi
Latitude	40.5847
Longitude	-75.5890
Timezone	Eastern (ET)
Area code	610

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	30.1%	37.9%	39.8%
$50k – $100k	36.2%	30.5%	30.8%
$100k – $200k	26.5%	24.2%	22.4%
Over $200k	7.2%	7.4%	7.1%

Demographics & statistics

6,759

Population

849

People per sq mi

45.9

Median age

$84,918

Median household income

$49,539

Per capita income

$336,100

Median home value

$1,422

Median monthly rent

82.1%

Home ownership

5.8%

Poverty rate

6.5%

Unemployment

2,296

Housing units

44.4%

Bachelor's or higher

Age distribution

Male Female

185

Under 5

205

249

5–9

277

210

10–14

234

136

15–19

151

20–24

101

270

25–34

300

407

35–44

453

460

45–54

511

302

55–59

335

199

60–64

222

365

65–74

405

210

75–84

234

117

85+

130

← Male

Female →

Age summary

Group	Count	%
Under 18	1,559	23.1%
18 and over	5,200	76.9%
65 and over	1,461	21.6%
Median age	45.9 years

Race & ethnicity

White 71.8%

Hispanic or Latino 8.3%

Two or more races 6.5%

Asian 5.6%

Black or African American 5.1%

Other race 2.7%

Group	Count	%
White	5,291	71.8%
Hispanic or Latino	608	8.3%
Two or more races	481	6.5%
Asian	414	5.6%
Black or African American	375	5.1%
Other race	198	2.7%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	30.1%	37.9%	39.8%
$50k – $100k	36.2%	30.5%	30.8%
$100k – $200k	26.5%	24.2%	22.4%
Over $200k	7.2%	7.4%	7.1%

Under $10k 1.8%

$10k–$15k 0.4%

$15k–$25k 6.0%

$25k–$35k 5.7%

$35k–$50k 9.0%

$50k–$75k 18.0%

$75k–$100k 13.1%

$100k–$150k 18.5%

$150k–$200k 11.1%

$200k+ 16.4%

Range	% of households
Under $10k	1.8%
$10k–$15k	0.4%
$15k–$25k	6.0%
$25k–$35k	5.7%
$35k–$50k	9.0%
$50k–$75k	18.0%
$75k–$100k	13.1%
$100k–$150k	18.5%
$150k–$200k	11.1%
$200k+	16.4%
Median income	$84,918

Housing

Home values

Under $50k 9.8%

$50k–$100k 0.6%

$100k–$150k 7.9%

$150k–$200k 7.3%

$200k–$300k 17.0%

$300k–$500k 42.4%

$500k–$1M 14.9%

Housing overview

Metric	Value
Median home value	$336,100
Median rent / month	$1,422
Owner occupied	82.1%
Renter occupied	17.9%
Vacant	1.5%
Single-family detached	59.9%
Large apartment buildings	4.8%
Mobile homes	8.5%
Median rooms	6.7
Avg household size (owned)	2.46

Year built

Era	%
2020 or later	0.0%
2010–2019	1.2%
2000–2009	27.8%
1990–1999	11.0%
1980–1989	15.2%
1970–1979	24.3%
1960–1969	6.2%
1950–1959	5.7%
1940–1949	1.4%
1939 or earlier	7.2%

Bedrooms

Size	% of units
No bedroom (studio)	6.3%
1 bedroom	4.8%
2 bedrooms	13.9%
3 bedrooms	31.2%
4 bedrooms	38.8%
5+ bedrooms	4.9%

Vehicles per household

Vehicles	% of households
No vehicle	9.6%
1 vehicle	27.8%
2 vehicles	43.7%
3 or more	18.9%

Heating fuel

Fuel type	%
Utility gas	30.3%
Electricity	46.8%
Propane / LP gas	10.3%
Fuel oil	9.6%
Wood	0.6%

Households & families

Household type	Count	%
Married-couple family	1,616	58.9%
Cohabiting couple	313	11.4%
Male householder, no spouse	262	9.5%
Female householder, no spouse	554	20.2%
Households with children under 18	966	35.2%
Households with seniors (65+)	933	34.0%
Average household size	2.45

Marital status

Status	Male	Female
Never married	20.5%	20.0%
Married	68.1%	59.2%
Separated	0.0%	1.7%
Widowed	3.6%	10.2%
Divorced	7.9%	9.0%

Education

Less than 9th grade 1.0%

Some HS, no diploma 4.1%

HS graduate 26.9%

Some college, no degree 13.8%

Associate's degree 9.8%

Bachelor's degree 29.6%

Graduate / professional 14.8%

Metric	%
HS diploma or higher	94.9%
Bachelor's or higher	44.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	171	11.5%
Kindergarten	50	3.4%
Elementary school	805	54.1%
High school	269	18.1%
College / grad school	192	12.9%

Employment

Industry of employment

Education & healthcare 21.3%

Manufacturing 13.8%

Professional & management 11.7%

Finance & real estate 9.0%

Other services 6.8%

Information 6.4%

Arts, food & hospitality 6.4%

Retail trade 6.3%

Construction 6.1%

Transportation & utilities 6.0%

Wholesale trade 4.0%

Public administration 2.3%

Occupation

Category	%
Management, business & arts	49.5%
Service	8.8%
Sales & office	24.5%
Natural resources & construction	7.1%
Production & transportation	10.1%

Employment type

Type	%
Private sector	88.7%
Government	6.8%
Self-employed	4.4%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	71.2%
Carpool	11.7%
Public transit	1.2%
Walk	0.0%
Work from home	14.9%
Other means	1.0%
Avg commute (minutes)	25.6

Poverty

All people 5.8%

Under 18 years 6.9%

18 and over 5.5%

Married-couple families 0.7%

Female-led households 43.5%

Income support

Source	% of households
Social Security	36.6%
Retirement income	36.6%
Supplemental Security	5.6%
Cash public assistance	0.7%
Food stamps / SNAP	3.6%

Health indicators

Condition	%
Obesity	31.8%
High blood pressure	31.7%
High cholesterol	33.2%
Diabetes	9.6%
Heart disease	6.3%
Stroke	2.7%
Asthma	9.4%
Arthritis	26.3%
Kidney disease	2.7%
Pulmonary disease	6.1%
Cancer	7.5%

Behavior / access	%
Smoking	14.8%
Binge drinking	17.9%
No physical activity	20.2%
Less than 7 hrs sleep	35.1%
Depression	20.2%
Fair or poor health	11.4%
Poor mental health	13.3%
Poor physical health	9.2%
No health insurance	8.3%
Visited doctor (checkup)	79.4%
Visited dentist	73.0%
Cholesterol screening	92.1%
Teeth loss	10.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	382	7.3%

Disability	%
Any disability	16.2%
Under 18	6.4%
18–64 years	10.9%
65 and over	40.9%

Health insurance coverage

Type	%
Private insurance	81.8%
Public insurance	34.3%
No insurance	1.5%
Uninsured under 19	0.9%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	6,369	94.2%
Spanish	370	5.8%
Other Indo-European	258	4.1%
Asian & Pacific Islander	85	1.3%
Other languages	19	0.3%

Place of birth & citizenship

Origin	Count	%
Native born (US)	5,900	87.3%
Born in same state	5,607	83.0%
Born in different state	3,947	58.4%
Foreign born	293	4.3%
Naturalized citizen	859	12.7%
Not a US citizen	730	85.0%

Ancestry

Ancestry	Count	%
Italian	867	12.8%
French	510	7.5%
Arab	108	1.6%
Irish	57	0.8%
English	33	0.5%

Ancestry	Count	%
Polish	26	0.4%
Dutch	12	0.2%
German	7	0.1%
Norwegian	6	0.1%

Technology access

Metric	% of households
Computer access	40.6%
Internet access	90.3%

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

Frequently asked questions about ZIP code 18106

What city is ZIP code 18106 in?

ZIP code 18106 is primarily assigned to Allentown, Pennsylvania.

What county is ZIP code 18106 in?

ZIP code 18106 falls within Lehigh County, Pennsylvania.

Is ZIP code 18106 mostly owner-occupied?

82% of occupied units in ZIP code 18106 are owner-occupied, well above the national average.

Does ZIP code 18106 have a large retiree population?

37% of households in ZIP code 18106 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 18106?

The median home value in ZIP code 18106 is $336,100.

What is the population of ZIP code 18106?

ZIP code 18106 has an estimated population of 6,759 residents, with a density of 849 people per square mile.

What timezone is ZIP code 18106 in?

ZIP code 18106 observes the EST timezone.