18966 ZIP Code — Southampton, PA

Bucks County, Pennsylvania

ZIP code 18966 is located in Southampton, Pennsylvania, within Bucks County. It covers approximately 16.30 square miles and serves a population of 36,167 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 215/267/445.

About ZIP code 18966

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 $429,800. Owner-occupancy is high at 87%, well above the national average.

The gap between median ($113,594) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 4% is below the national average. 39% 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 32 minutes is near the national average.

Educational attainment is high — 46% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 18966 reflects a community defined by high homeownership and a significant Social Security-dependent population.

36,167

population

16.30

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

18966 ZIP code map

Cities in ZIP code 18966

Below are the cities the US Postal Service accepts for ZIP code 18966. Using any city not on this list may result in mail delivery delays.

City	Status
Southampton	Acceptable
Southampton	Preferred

Nearby ZIP codes

19053 Feasterville Trevose (2.6 mi) 18954 Richboro (2.6 mi) 18974 Warminster (4.1 mi) 19048 Fort Washington (4.4 mi) 19049 Fort Washington (4.4 mi) 19116 Philadelphia (4.9 mi) 19006 Huntingdon Valley (5 mi) 18991 Warminster (5.2 mi) 19040 Hatboro (5.3 mi) 18940 Newtown (6 mi) 19047 Langhorne (6.1 mi) 18929 Jamison (6.1 mi)

Demographics updated 05/2026

Population
Total population	36,167
Population density	2,219 / sq mi
State FIPS	42
County FIPS	017

Geography
Land area	16.30 sq mi
Water area	0.33 sq mi
Latitude	40.1873
Longitude	-75.0057
Timezone	Eastern (ET)
Area code	215/267/445

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	23.6%	25.3%	39.8%
$50k – $100k	27.2%	28.0%	30.8%
$100k – $200k	32.1%	31.3%	22.4%
Over $200k	17.1%	15.4%	7.1%

Demographics & statistics

36,167

Population

2,219

People per sq mi

47.7

Median age

$113,594

Median household income

$56,092

Per capita income

$429,800

Median home value

$1,695

Median monthly rent

87.0%

Home ownership

3.8%

Poverty rate

4.8%

Unemployment

12,615

Housing units

46.0%

Bachelor's or higher

Age distribution

Male Female

848

Under 5

872

988

5–9

1,016

965

10–14

991

1,040

15–19

1,069

934

20–24

959

1,695

25–34

1,742

1,896

35–44

1,948

2,311

45–54

2,375

1,478

55–59

1,518

1,293

60–64

1,329

2,619

65–74

2,691

1,186

75–84

1,219

584

85+

601

← Male

Female →

Age summary

Group	Count	%
Under 18	6,938	19.2%
18 and over	29,229	80.8%
65 and over	8,900	24.6%
Median age	47.7 years

Race & ethnicity

White 90.5%

Hispanic or Latino 2.7%

Two or more races 2.3%

Asian 2.2%

Other race 1.6%

Black or African American 0.6%

Group	Count	%
White	33,673	90.5%
Hispanic or Latino	1,021	2.7%
Two or more races	864	2.3%
Asian	813	2.2%
Other race	581	1.6%
Black or African American	225	0.6%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	23.6%	25.3%	39.8%
$50k – $100k	27.2%	28.0%	30.8%
$100k – $200k	32.1%	31.3%	22.4%
Over $200k	17.1%	15.4%	7.1%

Under $10k 3.6%

$10k–$15k 1.0%

$15k–$25k 4.3%

$25k–$35k 4.8%

$35k–$50k 6.0%

$50k–$75k 11.1%

$75k–$100k 12.6%

$100k–$150k 20.1%

$150k–$200k 14.4%

$200k+ 22.0%

Range	% of households
Under $10k	3.6%
$10k–$15k	1.0%
$15k–$25k	4.3%
$25k–$35k	4.8%
$35k–$50k	6.0%
$50k–$75k	11.1%
$75k–$100k	12.6%
$100k–$150k	20.1%
$150k–$200k	14.4%
$200k+	22.0%
Median income	$113,594

Housing

Home values

Under $50k 1.7%

$50k–$100k 0.9%

$100k–$150k 0.5%

$150k–$200k 1.5%

$200k–$300k 14.5%

$300k–$500k 49.5%

$500k–$1M 30.3%

$1M+ 1.1%

Housing overview

Metric	Value
Median home value	$429,800
Median rent / month	$1,695
Owner occupied	87.0%
Renter occupied	13.0%
Vacant	3.4%
Single-family detached	70.4%
Large apartment buildings	5.4%
Mobile homes	0.2%
Median rooms	7.3
Avg household size (owned)	2.68

Year built

Era	%
2020 or later	0.3%
2010–2019	1.2%
2000–2009	3.4%
1990–1999	8.7%
1980–1989	22.1%
1970–1979	22.7%
1960–1969	18.6%
1950–1959	16.8%
1940–1949	2.5%
1939 or earlier	3.8%

Bedrooms

Size	% of units
No bedroom (studio)	1.6%
1 bedroom	5.4%
2 bedrooms	16.6%
3 bedrooms	36.5%
4 bedrooms	33.7%
5+ bedrooms	6.1%

Vehicles per household

Vehicles	% of households
No vehicle	4.1%
1 vehicle	28.1%
2 vehicles	42.9%
3 or more	24.9%

Heating fuel

Fuel type	%
Utility gas	43.7%
Electricity	31.1%
Propane / LP gas	1.9%
Fuel oil	22.3%
Wood	0.6%
No fuel used	0.1%

Households & families

Household type	Count	%
Married-couple family	8,615	61.8%
Cohabiting couple	473	3.4%
Male householder, no spouse	2,034	14.6%
Female householder, no spouse	2,824	20.2%
Households with children under 18	3,795	27.2%
Households with seniors (65+)	6,203	44.5%
Average household size	2.57

Marital status

Status	Male	Female
Never married	26.5%	21.0%
Married	60.9%	58.0%
Separated	1.8%	1.1%
Widowed	4.0%	10.6%
Divorced	6.9%	9.3%

Education

Less than 9th grade 1.0%

Some HS, no diploma 1.5%

HS graduate 25.7%

Some college, no degree 15.3%

Associate's degree 10.4%

Bachelor's degree 26.9%

Graduate / professional 19.2%

Metric	%
HS diploma or higher	97.4%
Bachelor's or higher	46.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	526	6.8%
Kindergarten	394	5.1%
Elementary school	3,133	40.8%
High school	1,898	24.7%
College / grad school	1,731	22.5%

Employment

Industry of employment

Education & healthcare 27.5%

Professional & management 14.3%

Manufacturing 9.3%

Finance & real estate 8.8%

Retail trade 8.3%

Construction 6.7%

Arts, food & hospitality 6.2%

Other services 5.4%

Transportation & utilities 4.8%

Public administration 3.8%

Wholesale trade 3.2%

Information 1.4%

Agriculture & mining 0.3%

Occupation

Category	%
Management, business & arts	53.5%
Service	11.4%
Sales & office	21.6%
Natural resources & construction	7.4%
Production & transportation	6.1%

Employment type

Type	%
Private sector	85.4%
Government	8.8%
Self-employed	5.7%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	77.2%
Carpool	4.9%
Public transit	3.0%
Walk	0.6%
Work from home	13.7%
Other means	0.6%
Avg commute (minutes)	31.9

Poverty

All people 3.8%

Under 18 years 3.5%

18 and over 3.9%

Married-couple families 2.1%

Female-led households 4.7%

Income support

Source	% of households
Social Security	39.4%
Retirement income	32.7%
Supplemental Security	3.1%
Cash public assistance	1.8%
Food stamps / SNAP	3.4%

Health indicators

Condition	%
Obesity	24.6%
High blood pressure	31.7%
High cholesterol	33.8%
Diabetes	8.5%
Heart disease	6.2%
Stroke	2.5%
Asthma	9.1%
Arthritis	27.7%
Kidney disease	2.6%
Pulmonary disease	5.7%
Cancer	7.9%

Behavior / access	%
Smoking	13.3%
Binge drinking	17.8%
No physical activity	18.6%
Less than 7 hrs sleep	32.8%
Depression	19.8%
Fair or poor health	10.0%
Poor mental health	13.2%
Poor physical health	8.4%
No health insurance	7.5%
Visited doctor (checkup)	78.4%
Visited dentist	75.9%
Cholesterol screening	92.4%
Teeth loss	9.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,787	6.1%

Disability	%
Any disability	9.8%
Under 18	1.9%
18–64 years	5.9%
65 and over	25.0%

Health insurance coverage

Type	%
Private insurance	82.7%
Public insurance	31.4%
No insurance	3.1%
Uninsured under 19	3.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	34,447	95.2%
Spanish	1,841	5.3%
Other Indo-European	176	0.5%
Asian & Pacific Islander	1,217	3.5%
Other languages	189	0.5%

Place of birth & citizenship

Origin	Count	%
Native born (US)	32,154	88.9%
Born in same state	31,932	88.3%
Born in different state	26,419	73.0%
Foreign born	222	0.6%
Naturalized citizen	4,013	11.1%
Not a US citizen	3,369	84.0%

Ancestry

Ancestry	Count	%
Italian	9,049	25%
French	3,424	9.5%
Arab	2,281	6.3%
English	459	1.3%
Irish	297	0.8%

Ancestry	Count	%
Norwegian	224	0.6%
Polish	145	0.4%
German	74	0.2%
Dutch	25	0.1%

Technology access

Metric	% of households
Computer access	38.6%
Internet access	95.6%

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

Frequently asked questions about ZIP code 18966

What city is ZIP code 18966 in?

ZIP code 18966 is primarily assigned to Southampton, Pennsylvania.

What county is ZIP code 18966 in?

ZIP code 18966 falls within Bucks County, Pennsylvania.

Is ZIP code 18966 mostly owner-occupied?

87% of occupied units in ZIP code 18966 are owner-occupied, well above the national average.

Does ZIP code 18966 have a large retiree population?

39% of households in ZIP code 18966 receive Social Security income, suggesting a significant retiree or disability population.

How educated is the population of ZIP code 18966?

46% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What is the typical home value in ZIP code 18966?

The median home value in ZIP code 18966 is $429,800.

What timezone is ZIP code 18966 in?

ZIP code 18966 observes the EST timezone.