Southampton, PA demographics:
population, income, and more

Total population
36,370
1.0% year-over-year change
Median household income
$128,838/yr
7.6% year-over-year change
Housing units
14,363
1.2% year-over-year change

Southampton population

How many people live in Southampton

Southampton is home to 36,370 residents, according to the most recent Census data. Gender-wise, 48.4% of Southampton locals are male, and 51.6% are female.

Total population
36,370
1.0% year-over-year change
Gender ratio
Male
48.4%
17,600
Female
51.6%
18,770
Value Percent YoY change
Male 17,600 48.4% -0.6%
Female 18,770 51.6% 2.6%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Southampton is 47, with the population distributed as follows: about 16% are children under 15, then 11% are in the 15 to 24 age group. Adults between 25 and 44 make up 20.4% of the population, while another 27.6% fall into the 45 to 64 bracket. Finally, around 24.9% are 65 or older.

Median age
47.3
Age breakdown
Under 15
16%
15 to 24
11%
25 to 44
20.4%
45 to 64
27.6%
Over 65
24.9%
Value Percent YoY change
Under 15 5,828 16% 0.6%
15 to 24 4,019 11% 6.4%
25 to 44 7,435 20.4% 1.3%
45 to 64 10,037 27.6% -2.1%
Over 65 9,051 24.9% 2.5%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Southampton, 87.7% of the population are US-born citizens, while 9.8% have gained naturalized citizenship. At the same time, 2.5% of residents are non-citizens. As for race, 90.4% of locals are Caucasian, 0.6% are African American and 3.5% have Asian roots. There’s also a share of 4.5% that includes residents with two or more races.

Citizenship
U.S.-born citizens
87.7%
Non-U.S.-born citizens
9.8%
Non-citizens
2.5%
Value Percent YoY change
U.S.-born citizens 31,892 87.7% 0.6%
Non-U.S.-born citizens 3,582 9.8% 1.8%
Non-citizens 896 2.5% 14.6%
Racial breakdown
White
90.4%
Black or African American
0.6%
American Indian and Alaska Native
0%
Asian
3.5%
Native Hawaiian and other Pacific Islander
0%
Two or more races
4.5%
Other
1%
Value Percent
White 32,895 90.4%
Black or African American 201 0.6%
American Indian and Alaska Native 6 0%
Asian 1,276 3.5%
Two or more races 1,641 4.5%
Other 351 1%

Households in Southampton

A peek inside Southampton households

Southampton has 13,851 households, with an average of 3 members in each. Of these, 73.8% are families, while the remaining 26.2% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
13,851
1.1% year-over-year change
Average people per household
3
Non-family households
3,636
Family households
10,215
Value Percent YoY change
Non-family households 3,636 26.2% -2.5%
Family households 10,215 73.8% 2.4%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Southampton

The housing landscape of Southampton

Southampton's housing consists of 14,363 units, with 72.3% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 13.5% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 0.3% of the housing landscape.

Housing units
14,363
1.2% year-over-year change
Housing types
Value Percent
1 unit, detached 10,378 72.3%
1 unit, attached 1,938 13.5%
2 units 75 0.5%
3 or 4 units 284 2%
5 to 9 units 673 4.7%
10 to 19 units 369 2.6%
20 to 49 units 285 2%
50 or more units 315 2.2%
Mobile home 46 0.3%
Homes built since 2020
68
-9.3% year-over-year change

The age of buildings in Southampton

In Southampton, the median construction year is 1974. About 4.4% of homes were built before the 1940s, with another 2.5% going up by 1949. Most development happened in the second half of the 20th century. Then, 5.1% of homes were added from 2000 to 2009, 1.9% between 2010 and 2019, and 0.5% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 639 4.4% 17.2%
Built between 1940 and 1949 353 2.5% 1.7%
Built between 1950 and 1959 2,474 17.2% 11.7%
Built between 1960 and 1969 2,514 17.5% -4.3%
Built between 1970 and 1979 2,708 18.8% -12.4%
Built between 1980 and 1989 3,152 22% -0.0%
Built between 1990 and 1999 1,446 10.1% 18.5%
Built between 2000 and 2009 734 5.1% 7.5%
Built between 2010 and 2019 275 1.9% 12.7%
Built in 2020 or later 68 0.5% -9.3%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Southampton occupancy rates

Out of the 13,851 occupied housing units in Southampton, 89.5% are owner-occupied, while 10.5% are lived in by tenants. Meanwhile, 3.6% of all homes on the local market sit vacant.

Occupied housing units
13,851
1.1% year-over-year change
Occupancy breakdown
Renter occupied
1,455
Owner occupied
12,396
Value Percent YoY
change
Renter occupied 1,455 10.5% -7.6%
Owner occupied 12,396 89.5% 2.2%
Unoccupied housing units
3.6%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Southampton housing costs

Housing costs in Southampton come to a median of $1,896 per month, while tenants specifically pay a median gross rent of $1,971.

Median housing costs per month
$1,896/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Southampton
$1,971/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Southampton

Southampton education at a glance

About 26.2% of the population in Southampton went to high school, while 14.9% pursued college studies. Another 8.8% earned an associate degree and 28.2% hold a bachelor’s. Meanwhile, 21.1% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 243 0.8% -13.8%
High school diploma 7,682 26.2% -5.5%
College diploma 4,357 14.9% -3.8%
Associate degree 2,575 8.8% 0.6%
Bachelor's degree 8,239 28.2% 5.7%
Graduate degree 6,164 21.1% 10.2%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Southampton

How much people earn in Southampton

The average annual household income in Southampton was $165,823 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +9.2% change from the previous year. At the same time, the median income stood at $128,838, reflecting a +7.6% shift over the same period.

Average household income in Southampton
$165,823/year
9.2% year-over-year change
Median household income in Southampton
$128,838/year
7.6% year-over-year change

Southampton income by age

In Southampton, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $165,000. Those with someone between 45 and 64 in charge, often well established professionally, earn $168,958 overall. Overall, 96.1% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $165,000 13.8%
45 - 64 $168,958 9.2%
Over 65 $84,444 2.9%
Above poverty level
34,293
Below poverty level
1,406
Value Percent YoY
change
Above poverty level 34,293 96.1% 0.6%
Below poverty level 1,406 3.9% 4.1%

Employment in Southampton

Workforce and job types in Southampton

86.3% of the working population are employed in professional or administrative positions, while 13.7% are in hands-on or service-based jobs. Also, 11.9% run their own businesses, 67% are employed by private companies, and 9.1% work in the public sector.

Workforce demographics

White collar
16,362
Blue collar
2,590
Value Percent YoY change
White collar 16,362 86.3% 3.6%
Blue collar 2,590 13.7% -7.7%
Employer type
Self employees
11.9%
Private companies
67%
Governmental workers
9.1%
Not for profit companies
12%
Value Percent YoY change
Self employees 2,260 11.9% 5.9%
Private companies 12,691 67% -0.7%
Governmental workers 1,731 9.1% 16.4%
Not for profit companies 2,270 12% 3.1%

Transportation in Southampton

How people get around in Southampton

Commuting methods vary: 96.6% of residents travel by personal vehicle and 0.8% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 13,944 96.6% -3.7%
Taxicab 1 0% 0.0%
Bus or trolleybus 24 0.2% 140.0%
Railroad 323 2.2% 17.4%
Bicycle 13 0.1% 44.4%
Walk 122 0.8% 45.2%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Southampton by zipcode?

Zipcode Population Number of households Median income Average income
18966 36,370 13,851 $128,838 $165,823

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FAQs about Southampton demographics 

What is the total population of Southampton?

Southampton has a total population of 36,370 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +1.0% compared to a year ago.

What is the gender ratio in Southampton?

The gender ratio in Southampton is as follows:
  • 48.4% males (17,600 residents)
  • 51.6% females (18,770 residents)

What is the median age in Southampton?

The median age in Southampton is 47.3.

What is the age distribution of the population in Southampton?

The age distribution in Southampton is as follows:
  • Under 15: 16% (5,828 residents)
  • Ages 15-24: 11% (4,019 residents)
  • Ages 25-44: 20.4% (7,435 residents)
  • Ages 45-64: 27.6% (10,037 residents)
  • Over 65: 24.9% (9,051 residents)

What is the racial and ethnic makeup of Southampton?

The racial and ethnic makeup of Southampton is as follows:
  • White: 90.4% (32,895 residents)
  • Black or African American: 0.6% (201 residents)
  • American Indian and Alaska Native: 0% (6 residents)
  • Asian: 3.5% (1,276 residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 4.5% (1,641 residents)
  • Other: 1% (351 residents)

What percentage of the population in Southampton are U.S.-born citizens?

U.S.-born citizens represent 87.7% of the population in Southampton.

How many housing units are there in Southampton?

There are 14,363 housing units in Southampton, reflecting a +1.2% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Southampton and what is the average household size?

Southampton has a total of 13,851 households, with an average of 3 people in each.

What is the median household income in Southampton?

Southampton has a median household income of $128,838, representing a +7.6% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Southampton?

Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 86.3% (16,362 residents)
  • Blue-collar workers: 13.7% (2,590 residents)

Places of employment:
  • Self-employed: 11.9% (2,260 residents)
  • Private companies: 67% (12,691 residents)
  • Governmental workers: 9.1% (1,731 residents)
  • Not-for-profit companies: 12% (2,270 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025