18088 ZIP Code — Walnutport, PA

Northampton County, Pennsylvania

ZIP code 18088 is located in Walnutport, Pennsylvania, within Northampton County. It covers approximately 19.05 square miles and serves a population of 8,118 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 610/484.

About ZIP code 18088

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $226,400. Owner-occupancy is high at 88%, well above the national average.

Median household income is $74,545. The poverty rate of 7% is below the national average. 42% 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 30 minutes is near the national average.

College attainment at 20% is below the national average, consistent with a trades and production-oriented local economy.

Overall, ZIP code 18088 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.

8,118

population

19.05

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

18088 ZIP code map

Cities in ZIP code 18088

Below are the cities the US Postal Service accepts for ZIP code 18088. Using any city not on this list may result in mail delivery delays.

City	Status
Walnutport	Preferred

Nearby ZIP codes

18035 Cherryville (0.9 mi) 18059 Laurys Station (3 mi) 18038 Danielsville (4 mi) 18080 Slatington (4.3 mi) 18067 Northampton (4.8 mi) 18037 Coplay (5.5 mi) 18071 Palmerton (5.6 mi) 18014 Bath (6.6 mi) 18052 Whitehall (7.6 mi) 18078 Schnecksville (7.7 mi) 18032 Catasauqua (8.4 mi) 18053 Germansville (9.3 mi)

Demographics updated 05/2026

Population
Total population	8,118
Population density	426 / sq mi
State FIPS	42
County FIPS	095

Geography
Land area	19.05 sq mi
Water area	0.43 sq mi
Latitude	40.7627
Longitude	-75.5442
Timezone	Eastern (ET)
Area code	610/484

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	39.6%	34.3%	39.8%
$50k – $100k	32.1%	31.7%	30.8%
$100k – $200k	23.4%	26.5%	22.4%
Over $200k	4.9%	7.5%	7.1%

Demographics & statistics

8,118

Population

426

People per sq mi

47.5

Median age

$74,545

Median household income

$35,907

Per capita income

$226,400

Median home value

$1,180

Median monthly rent

88.4%

Home ownership

7.3%

Poverty rate

5.9%

Unemployment

3,192

Housing units

19.9%

Bachelor's or higher

Age distribution

Male Female

163

Under 5

177

216

5–9

236

215

10–14

234

232

15–19

252

193

20–24

211

380

25–34

413

444

35–44

483

537

45–54

584

301

55–59

328

342

60–64

372

543

65–74

590

215

75–84

234

107

85+

116

← Male

Female →

Age summary

Group	Count	%
Under 18	1,564	19.3%
18 and over	6,554	80.7%
65 and over	1,805	22.2%
Median age	47.5 years

Race & ethnicity

White 88.2%

Two or more races 4.2%

Hispanic or Latino 3%

Black or African American 1.9%

Asian 1.4%

Other race 1.3%

Group	Count	%
White	7,385	88.2%
Two or more races	349	4.2%
Hispanic or Latino	254	3%
Black or African American	160	1.9%
Asian	115	1.4%
Other race	109	1.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	39.6%	34.3%	39.8%
$50k – $100k	32.1%	31.7%	30.8%
$100k – $200k	23.4%	26.5%	22.4%
Over $200k	4.9%	7.5%	7.1%

Under $10k 2.1%

$10k–$15k 1.7%

$15k–$25k 4.3%

$25k–$35k 9.3%

$35k–$50k 18.6%

$50k–$75k 15.0%

$75k–$100k 13.9%

$100k–$150k 20.5%

$150k–$200k 8.5%

$200k+ 6.2%

Range	% of households
Under $10k	2.1%
$10k–$15k	1.7%
$15k–$25k	4.3%
$25k–$35k	9.3%
$35k–$50k	18.6%
$50k–$75k	15.0%
$75k–$100k	13.9%
$100k–$150k	20.5%
$150k–$200k	8.5%
$200k+	6.2%
Median income	$74,545

Housing

Home values

Under $50k 6.8%

$50k–$100k 8.6%

$100k–$150k 7.9%

$150k–$200k 17.7%

$200k–$300k 31.3%

$300k–$500k 26.8%

$500k–$1M 0.9%

Housing overview

Metric	Value
Median home value	$226,400
Median rent / month	$1,180
Owner occupied	88.4%
Renter occupied	11.6%
Vacant	10.0%
Single-family detached	71.0%
Large apartment buildings	0.0%
Mobile homes	17.3%
Median rooms	6.2
Avg household size (owned)	2.54

Year built

Era	%
2020 or later	0.8%
2010–2019	8.4%
2000–2009	16.5%
1990–1999	10.5%
1980–1989	14.1%
1970–1979	19.2%
1960–1969	9.8%
1950–1959	5.2%
1940–1949	4.3%
1939 or earlier	11.1%

Bedrooms

Size	% of units
No bedroom (studio)	0.2%
1 bedroom	2.0%
2 bedrooms	18.2%
3 bedrooms	58.7%
4 bedrooms	17.6%
5+ bedrooms	3.3%

Vehicles per household

Vehicles	% of households
No vehicle	2.7%
1 vehicle	24.2%
2 vehicles	41.6%
3 or more	31.5%

Heating fuel

Fuel type	%
Utility gas	3.3%
Electricity	37.8%
Propane / LP gas	11.5%
Fuel oil	39.4%
Wood	3.4%
No fuel used	0.1%

Households & families

Household type	Count	%
Married-couple family	1,739	54.2%
Cohabiting couple	328	10.2%
Male householder, no spouse	490	15.3%
Female householder, no spouse	653	20.3%
Households with children under 18	871	27.1%
Households with seniors (65+)	1,325	41.3%
Average household size	2.53

Marital status

Status	Male	Female
Never married	30.5%	29.8%
Married	56.2%	50.1%
Separated	0.5%	1.6%
Widowed	1.8%	10.0%
Divorced	11.0%	8.6%

Education

Less than 9th grade 2.2%

Some HS, no diploma 6.2%

HS graduate 43.0%

Some college, no degree 16.4%

Associate's degree 12.4%

Bachelor's degree 16.1%

Graduate / professional 3.7%

Metric	%
HS diploma or higher	91.7%
Bachelor's or higher	19.9%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	47	2.8%
Kindergarten	45	2.7%
Elementary school	735	44.1%
High school	454	27.3%
College / grad school	385	23.1%

Employment

Industry of employment

Education & healthcare 22.2%

Retail trade 15.7%

Construction 10.9%

Professional & management 10.2%

Manufacturing 9.8%

Arts, food & hospitality 7.3%

Transportation & utilities 6.6%

Other services 5.3%

Finance & real estate 4.6%

Public administration 3.2%

Wholesale trade 2.6%

Information 1.4%

Occupation

Category	%
Management, business & arts	27.9%
Service	19.0%
Sales & office	23.9%
Natural resources & construction	15.5%
Production & transportation	13.7%

Employment type

Type	%
Private sector	83.4%
Government	11.6%
Self-employed	5.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	79.3%
Carpool	6.3%
Public transit	0.0%
Walk	1.2%
Work from home	12.8%
Other means	0.4%
Avg commute (minutes)	29.5

Poverty

All people 7.3%

Under 18 years 8.1%

18 and over 7.1%

Married-couple families 1.4%

Female-led households 28.0%

Income support

Source	% of households
Social Security	41.6%
Retirement income	34.7%
Supplemental Security	6.3%
Cash public assistance	1.4%
Food stamps / SNAP	6.5%

Health indicators

Condition	%
Obesity	31.3%
High blood pressure	34.3%
High cholesterol	33.8%
Diabetes	10.9%
Heart disease	7.3%
Stroke	3.2%
Asthma	9.9%
Arthritis	31.8%
Kidney disease	3.0%
Pulmonary disease	7.9%
Cancer	7.6%

Behavior / access	%
Smoking	19.9%
Binge drinking	18.6%
No physical activity	22.7%
Less than 7 hrs sleep	35.6%
Depression	22.7%
Fair or poor health	13.9%
Poor mental health	14.9%
Poor physical health	10.9%
No health insurance	10.2%
Visited doctor (checkup)	77.7%
Visited dentist	66.7%
Cholesterol screening	90.6%
Teeth loss	13.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	514	7.8%

Disability	%
Any disability	12.6%
Under 18	4.6%
18–64 years	9.9%
65 and over	26.4%

Health insurance coverage

Type	%
Private insurance	78.2%
Public insurance	36.9%
No insurance	3.4%
Uninsured under 19	2.1%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	7,778	95.8%
Spanish	69	0.9%
Other Indo-European	0	0.0%
Asian & Pacific Islander	69	0.9%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	7,990	98.4%
Born in same state	7,901	97.3%
Born in different state	6,658	82.0%
Foreign born	89	1.1%
Naturalized citizen	128	1.6%
Not a US citizen	124	96.9%

Ancestry

Ancestry	Count	%
Italian	794	9.8%
Arab	610	7.5%
French	411	5.1%
English	235	2.9%

Ancestry	Count	%
Irish	208	2.6%
German	56	0.7%
Norwegian	33	0.4%
Polish	7	0.1%

Technology access

Metric	% of households
Computer access	39.5%
Internet access	88.1%

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

Frequently asked questions about ZIP code 18088

What city is ZIP code 18088 in?

ZIP code 18088 is primarily assigned to Walnutport, Pennsylvania.

What county is ZIP code 18088 in?

ZIP code 18088 falls within Northampton County, Pennsylvania.

Is ZIP code 18088 mostly owner-occupied?

88% of occupied units in ZIP code 18088 are owner-occupied, well above the national average.

Does ZIP code 18088 have a large retiree population?

42% of households in ZIP code 18088 receive Social Security income, suggesting a significant retiree or disability population.

What is the population of ZIP code 18088?

ZIP code 18088 has an estimated population of 8,118 residents, with a density of 426 people per square mile.

What is the typical home value in ZIP code 18088?

The median home value in ZIP code 18088 is $226,400.

What timezone is ZIP code 18088 in?

ZIP code 18088 observes the EST timezone.