18078 ZIP Code — Schnecksville, PA

Lehigh County, Pennsylvania

ZIP code 18078 is located in Schnecksville, Pennsylvania, within Lehigh County. It covers approximately 15.55 square miles and serves a population of 7,543 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 610.

About ZIP code 18078

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $344,700. Owner-occupancy is high at 83%, well above the national average.

The gap between median ($115,758) and mean household income suggests income inequality — a small number of higher earners pull the average up. 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 41% of residents holding a bachelor's degree or higher.

Overall, ZIP code 18078 reflects a community defined by high homeownership and a significant Social Security-dependent population.

7,543

population

15.55

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

18078 ZIP code map

Cities in ZIP code 18078

Below are the cities the US Postal Service accepts for ZIP code 18078. Using any city not on this list may result in mail delivery delays.

City	Status
Schnecksville	Preferred

Nearby ZIP codes

18069 Orefield (3.3 mi) 18080 Slatington (4.5 mi) 18037 Coplay (4.9 mi) 18051 Fogelsville (5.3 mi) 18059 Laurys Station (5.7 mi) 18104 Allentown (5.8 mi) 18053 Germansville (6 mi) 18106 Allentown (6.3 mi) 18052 Whitehall (6.6 mi) 18066 New Tripoli (6.6 mi) 18035 Cherryville (7 mi) 18195 Allentown (7.1 mi)

Demographics updated 05/2026

Population
Total population	7,543
Population density	485 / sq mi
State FIPS	42
County FIPS	077

Geography
Land area	15.55 sq mi
Water area	0.10 sq mi
Latitude	40.6709
Longitude	-75.6262
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	21.8%	37.9%	39.8%
$50k – $100k	29.2%	30.5%	30.8%
$100k – $200k	34.4%	24.2%	22.4%
Over $200k	14.5%	7.4%	7.1%

Demographics & statistics

7,543

Population

485

People per sq mi

43.6

Median age

$115,758

Median household income

$58,594

Per capita income

$344,700

Median home value

$1,141

Median monthly rent

82.9%

Home ownership

8.2%

Poverty rate

7.0%

Unemployment

2,334

Housing units

40.5%

Bachelor's or higher

Age distribution

Male Female

160

Under 5

174

210

5–9

227

315

10–14

341

316

15–19

342

182

20–24

197

263

25–34

284

452

35–44

490

568

45–54

615

210

55–59

227

236

60–64

255

427

65–74

463

210

75–84

228

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,917	25.4%
18 and over	5,626	74.6%
65 and over	1,479	19.6%
Median age	43.6 years

Race & ethnicity

White 81.9%

Two or more races 8.1%

Hispanic or Latino 7.6%

Asian 1.7%

Other race 0.3%

Black or African American 0.2%

American Indian / Alaska Native 0.1%

Group	Count	%
White	6,689	81.9%
Two or more races	663	8.1%
Hispanic or Latino	623	7.6%
Asian	142	1.7%
Other race	27	0.3%
Black or African American	15	0.2%
American Indian / Alaska Native	7	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	21.8%	37.9%	39.8%
$50k – $100k	29.2%	30.5%	30.8%
$100k – $200k	34.4%	24.2%	22.4%
Over $200k	14.5%	7.4%	7.1%

Under $10k 0.7%

$10k–$15k 0.5%

$15k–$25k 2.7%

$25k–$35k 4.8%

$35k–$50k 7.8%

$50k–$75k 16.1%

$75k–$100k 10.6%

$100k–$150k 17.0%

$150k–$200k 13.3%

$200k+ 26.5%

Range	% of households
Under $10k	0.7%
$10k–$15k	0.5%
$15k–$25k	2.7%
$25k–$35k	4.8%
$35k–$50k	7.8%
$50k–$75k	16.1%
$75k–$100k	10.6%
$100k–$150k	17.0%
$150k–$200k	13.3%
$200k+	26.5%
Median income	$115,758

Housing

Home values

Under $50k 1.2%

$100k–$150k 4.5%

$150k–$200k 5.0%

$200k–$300k 28.8%

$300k–$500k 41.6%

$500k–$1M 18.5%

$1M+ 0.5%

Housing overview

Metric	Value
Median home value	$344,700
Median rent / month	$1,141
Owner occupied	82.9%
Renter occupied	17.1%
Vacant	0.8%
Single-family detached	79.5%
Large apartment buildings	1.2%
Mobile homes	1.1%
Median rooms	7.5
Avg household size (owned)	2.77

Year built

Era	%
2020 or later	0.0%
2010–2019	2.8%
2000–2009	11.9%
1990–1999	22.7%
1980–1989	21.9%
1970–1979	14.2%
1960–1969	7.4%
1950–1959	4.1%
1940–1949	2.1%
1939 or earlier	13.0%

Bedrooms

Size	% of units
No bedroom (studio)	1.0%
1 bedroom	4.9%
2 bedrooms	13.7%
3 bedrooms	37.9%
4 bedrooms	37.0%
5+ bedrooms	5.5%

Vehicles per household

Vehicles	% of households
No vehicle	1.8%
1 vehicle	25.8%
2 vehicles	38.1%
3 or more	34.3%

Heating fuel

Fuel type	%
Utility gas	1.9%
Electricity	48.7%
Propane / LP gas	9.0%
Fuel oil	37.7%
Wood	1.6%
Solar	0.2%
No fuel used	0.2%

Households & families

Household type	Count	%
Married-couple family	1,788	64.1%
Cohabiting couple	95	3.4%
Male householder, no spouse	294	10.5%
Female householder, no spouse	611	21.9%
Households with children under 18	885	31.7%
Households with seniors (65+)	1,047	37.6%
Average household size	2.71

Marital status

Status	Male	Female
Never married	29.2%	26.0%
Married	62.6%	56.4%
Separated	0.6%	1.8%
Widowed	3.3%	7.2%
Divorced	4.3%	8.6%

Education

Less than 9th grade 1.2%

Some HS, no diploma 3.1%

HS graduate 30.4%

Some college, no degree 12.9%

Associate's degree 11.9%

Bachelor's degree 24.0%

Graduate / professional 16.6%

Metric	%
HS diploma or higher	95.7%
Bachelor's or higher	40.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	41	2.0%
Kindergarten	5	0.2%
Elementary school	1,045	51.9%
High school	602	29.9%
College / grad school	321	15.9%

Employment

Industry of employment

Education & healthcare 29.7%

Professional & management 13.1%

Retail trade 10.9%

Manufacturing 10.7%

Transportation & utilities 6.8%

Other services 6.1%

Arts, food & hospitality 5.6%

Finance & real estate 5.0%

Wholesale trade 4.6%

Construction 3.0%

Public administration 2.0%

Information 1.3%

Agriculture & mining 1.1%

Occupation

Category	%
Management, business & arts	51.8%
Service	10.7%
Sales & office	21.7%
Natural resources & construction	4.8%
Production & transportation	11.0%

Employment type

Type	%
Private sector	87.4%
Government	9.8%
Self-employed	2.8%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	77.7%
Carpool	2.9%
Public transit	0.0%
Walk	4.2%
Work from home	15.0%
Other means	0.2%
Avg commute (minutes)	26.4

Poverty

All people 8.2%

Under 18 years 18.6%

18 and over 4.6%

Married-couple families 1.0%

Female-led households 26.9%

Income support

Source	% of households
Social Security	36.7%
Retirement income	30.6%
Supplemental Security	3.8%
Cash public assistance	0.4%
Food stamps / SNAP	4.8%

Health indicators

Condition	%
Obesity	33.1%
High blood pressure	31.8%
High cholesterol	33.7%
Diabetes	9.6%
Heart disease	6.2%
Stroke	2.6%
Asthma	9.7%
Arthritis	26.4%
Kidney disease	2.6%
Pulmonary disease	6.4%
Cancer	7.2%

Behavior / access	%
Smoking	16.3%
Binge drinking	18.7%
No physical activity	20.3%
Less than 7 hrs sleep	35.8%
Depression	21.2%
Fair or poor health	11.6%
Poor mental health	14.0%
Poor physical health	9.5%
No health insurance	8.4%
Visited doctor (checkup)	79.1%
Visited dentist	72.6%
Cholesterol screening	92.1%
Teeth loss	10.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	494	8.8%

Disability	%
Any disability	8.3%
Under 18	1.2%
18–64 years	5.7%
65 and over	24.7%

Health insurance coverage

Type	%
Private insurance	82.7%
Public insurance	33.8%
No insurance	1.3%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	7,209	95.6%
Spanish	207	2.9%
Other Indo-European	163	2.3%
Asian & Pacific Islander	32	0.4%
Other languages	12	0.2%

Place of birth & citizenship

Origin	Count	%
Native born (US)	7,306	96.9%
Born in same state	7,223	95.8%
Born in different state	5,049	66.9%
Foreign born	83	1.1%
Naturalized citizen	237	3.1%
Not a US citizen	170	71.7%

Ancestry

Ancestry	Count	%
French	1,005	13.3%
Italian	880	11.7%
Arab	179	2.4%
Irish	176	2.3%

Ancestry	Count	%
English	78	1%
Norwegian	61	0.8%
German	8	0.1%
Polish	8	0.1%

Technology access

Metric	% of households
Computer access	37.0%
Internet access	93.5%

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

Frequently asked questions about ZIP code 18078

What city is ZIP code 18078 in?

ZIP code 18078 is primarily assigned to Schnecksville, Pennsylvania.

What county is ZIP code 18078 in?

ZIP code 18078 falls within Lehigh County, Pennsylvania.

Is ZIP code 18078 mostly owner-occupied?

83% of occupied units in ZIP code 18078 are owner-occupied, well above the national average.

Does ZIP code 18078 have a large retiree population?

37% of households in ZIP code 18078 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 18078?

The median home value in ZIP code 18078 is $344,700.

What is the median household income in ZIP code 18078?

The median household income in ZIP code 18078 is $115,758, above the national median of ~$75,000.

What timezone is ZIP code 18078 in?

ZIP code 18078 observes the EST timezone.