18079 ZIP Code — Slatedale, PA

Lehigh County, Pennsylvania

ZIP code 18079 is located in Slatedale, Pennsylvania, within Lehigh County. It covers approximately 0.25 square miles and serves a population of 550 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 484/610.

About ZIP code 18079

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $112,500. Owner-occupancy is high at 93%, well above the national average.

Median household income is $116,088.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 30 minutes is near the national average.

Educational attainment is near the national average, with 38% of residents holding a bachelor's degree or higher.

550

population

0.25

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

18079 ZIP code map

Cities in ZIP code 18079

Below are the cities the US Postal Service accepts for ZIP code 18079. Using any city not on this list may result in mail delivery delays.

City	Status
Slatedale	Acceptable

Demographics updated 05/2026

Population
Total population	550
Population density	2,200 / sq mi
State FIPS	42
County FIPS	077

Geography
Land area	0.25 sq mi
Water area	0.00 sq mi
Latitude	40.7416
Longitude	-75.6588
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	52.7%	37.9%	39.8%
$50k – $100k	8.9%	30.5%	30.8%
$100k – $200k	38.5%	24.2%	22.4%
Over $200k	0.0%	7.4%	7.1%

Demographics & statistics

550

Population

2,200

People per sq mi

35.9

Median age

$116,088

Median household income

$29,792

Per capita income

$112,500

Median home value

Median monthly rent

93.4%

Home ownership

2.0%

Poverty rate

0.0%

Unemployment

172

Housing units

38.4%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

20–24

117

35–44

45–54

55–59

65–74

← Male

Female →

Age summary

Group	Count	%
Under 18	190	34.5%
18 and over	360	65.5%
65 and over	18	3.3%
Median age	35.9 years

Race & ethnicity

White 100%

Group	Count	%
White	550	100%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	52.7%	37.9%	39.8%
$50k – $100k	8.9%	30.5%	30.8%
$100k – $200k	38.5%	24.2%	22.4%
Over $200k	0.0%	7.4%	7.1%

$10k–$15k 6.6%

$25k–$35k 21.0%

$75k–$100k 8.4%

$100k–$150k 64.1%

Range	% of households
$10k–$15k	6.6%
$25k–$35k	21.0%
$75k–$100k	8.4%
$100k–$150k	64.1%
Median income	$116,088

Housing

Home values

$50k–$100k 34.0%

$100k–$150k 32.1%

$150k–$200k 34.0%

Housing overview

Metric	Value
Median home value	$112,500
Median rent / month	$0
Owner occupied	93.4%
Renter occupied	6.6%
Vacant	8.7%
Single-family detached	85.2%
Large apartment buildings	0.0%
Mobile homes	6.0%
Median rooms	6.2
Avg household size (owned)	3.46

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	0.0%
1990–1999	0.0%
1980–1989	6.0%
1970–1979	0.0%
1960–1969	0.0%
1950–1959	19.1%
1940–1949	0.0%
1939 or earlier	74.9%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.0%
2 bedrooms	35.5%
3 bedrooms	64.5%
4 bedrooms	0.0%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	6.6%
2 vehicles	74.3%
3 or more	19.2%

Heating fuel

Fuel type	%
Electricity	21.6%
Fuel oil	57.5%
Wood	21.0%

Households & families

Household type	Count	%
Married-couple family	156	93.4%
Cohabiting couple	0	0.0%
Male householder, no spouse	11	6.6%
Female householder, no spouse	0	0.0%
Households with children under 18	88	52.7%
Households with seniors (65+)	18	10.8%
Average household size	3.29

Marital status

Status	Male	Female
Never married	0.0%	19.2%
Married	93.4%	80.8%
Separated	0.0%	0.0%
Widowed	0.0%	0.0%
Divorced	6.6%	0.0%

Education

Less than 9th grade 0.0%

Some HS, no diploma 3.4%

HS graduate 52.6%

Some college, no degree 0.0%

Associate's degree 5.6%

Bachelor's degree 5.6%

Graduate / professional 32.8%

Metric	%
HS diploma or higher	96.6%
Bachelor's or higher	38.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	52	24.8%
Kindergarten	0	0.0%
Elementary school	138	65.7%
High school	0	0.0%
College / grad school	20	9.5%

Employment

Industry of employment

Education & healthcare 45.8%

Retail trade 22.1%

Wholesale trade 11.7%

Other services 6.5%

Manufacturing 5.8%

Construction 4.5%

Arts, food & hospitality 3.6%

Occupation

Category	%
Management, business & arts	44.8%
Service	10.1%
Sales & office	27.6%
Natural resources & construction	0.0%
Production & transportation	17.5%

Employment type

Type	%
Private sector	95.5%
Government	0.0%
Self-employed	4.5%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	100.0%
Carpool	0.0%
Public transit	0.0%
Walk	0.0%
Work from home	0.0%
Other means	0.0%
Avg commute (minutes)	29.9

Poverty

All people 2.0%

Under 18 years 0.0%

18 and over 3.1%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	10.8%
Retirement income	0.0%
Supplemental Security	0.0%
Cash public assistance	0.0%
Food stamps / SNAP	6.6%

Health indicators

Condition	%
Obesity	33.3%
High blood pressure	30.4%
High cholesterol	32.0%
Diabetes	9.2%
Heart disease	6.0%
Stroke	2.6%
Asthma	10.0%
Arthritis	25.2%
Kidney disease	2.6%
Pulmonary disease	6.8%
Cancer	6.6%

Behavior / access	%
Smoking	18.6%
Binge drinking	19.8%
No physical activity	21.9%
Less than 7 hrs sleep	36.8%
Depression	22.3%
Fair or poor health	12.4%
Poor mental health	15.4%
Poor physical health	9.8%
No health insurance	9.6%
Visited doctor (checkup)	77.6%
Visited dentist	69.2%
Cholesterol screening	89.2%
Teeth loss	13.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	0	0.0%

Disability	%
Any disability	2.0%
Under 18	0.0%
18–64 years	3.2%
65 and over	0.0%

Health insurance coverage

Type	%
Private insurance	88.5%
Public insurance	11.5%
No insurance	0.0%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	498	90.5%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	550	100.0%
Born in same state	550	100.0%
Born in different state	514	93.5%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Italian	263	47.8%
French	92	16.7%

Ancestry	Count	%
Arab	11	2%

Technology access

Metric	% of households
Computer access	30.4%
Internet access	100.0%

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

Frequently asked questions about ZIP code 18079

What city is ZIP code 18079 in?

ZIP code 18079 is primarily assigned to Slatedale, Pennsylvania.

What county is ZIP code 18079 in?

ZIP code 18079 falls within Lehigh County, Pennsylvania.

Is ZIP code 18079 family-oriented?

35% of residents in ZIP code 18079 are under 18, reflecting a younger, family-oriented community.

Is ZIP code 18079 mostly owner-occupied?

93% of occupied units in ZIP code 18079 are owner-occupied, well above the national average.

What is the typical home value in ZIP code 18079?

The median home value in ZIP code 18079 is $112,500.

What is the median household income in ZIP code 18079?

The median household income in ZIP code 18079 is $116,088, above the national median of ~$75,000.

What timezone is ZIP code 18079 in?

ZIP code 18079 observes the EST timezone.