Port Jefferson, OH demographics:
population, income, and more

Total population
306
-15.2% year-over-year change
Median household income
$57,083/yr
12.6% year-over-year change
Housing units
195
-8.9% year-over-year change

Port Jefferson population

How many people live in Port Jefferson

Port Jefferson is home to 306 residents, according to the most recent Census data. Gender-wise, 49.7% of Port Jefferson locals are male, and 50.3% are female.

Total population
306
-15.2% year-over-year change
Gender ratio
Male
49.7%
152
Female
50.3%
154
Value Percent YoY change
Male 152 49.7% -5.0%
Female 154 50.3% -23.4%
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 Port Jefferson is 51, with the population distributed as follows: about 4.6% are children under 15, then 12.1% are in the 15 to 24 age group. Adults between 25 and 44 make up 22.6% of the population, while another 40.8% fall into the 45 to 64 bracket. Finally, around 19.9% are 65 or older.

Median age
51.1
Age breakdown
Under 15
4.6%
15 to 24
12.1%
25 to 44
22.6%
45 to 64
40.8%
Over 65
19.9%
Value Percent YoY change
Under 15 14 4.6% -58.8%
15 to 24 37 12.1% -15.9%
25 to 44 69 22.6% -34.3%
45 to 64 125 40.8% 8.7%
Over 65 61 19.9% -3.2%
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 Port Jefferson, 98.4% of the population are US-born citizens, while 1.6% have gained naturalized citizenship. There’s also a share of 2.3% that includes residents with two or more races.

Citizenship
U.S.-born citizens
98.4%
Non-U.S.-born citizens
1.6%
Non-citizens
0%
Value Percent YoY change
U.S.-born citizens 301 98.4% -15.7%
Non-U.S.-born citizens 5 1.6% 25.0%
Racial breakdown
White
97.7%
Black or African American
0%
American Indian and Alaska Native
0%
Asian
0%
Native Hawaiian and other Pacific Islander
0%
Two or more races
2.3%
Other
0%
Value Percent
White 299 97.7%
Two or more races 7 2.3%

Households in Port Jefferson

A peek inside Port Jefferson households

Port Jefferson has 133 households, with an average of 2 members in each. Of these, 64.7% are families, while the remaining 35.3% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
133
-13.6% year-over-year change
Average people per household
2
Non-family households
47
Family households
86
Value Percent YoY change
Non-family households 47 35.3% -25.4%
Family households 86 64.7% -5.5%
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 Port Jefferson

The housing landscape of Port Jefferson

Port Jefferson's housing consists of 195 units, with 83.6% being detached single-family homes ideal for those wanting space. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 7.2% of the housing landscape.

Housing units
195
-8.9% year-over-year change
Housing types
Value Percent
1 unit, detached 163 83.6%
2 units 12 6.2%
3 or 4 units 6 3.1%
Mobile home 14 7.2%
Homes built since 2020
0
% year-over-year change

The age of buildings in Port Jefferson

In Port Jefferson, the median construction year is 1954. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 80 41% -12.1%
Built between 1950 and 1959 42 21.5% 7.7%
Built between 1960 and 1969 14 7.2% -26.3%
Built between 1970 and 1979 26 13.3% 85.7%
Built between 1980 and 1989 6 3.1% -62.5%
Built between 1990 and 1999 7 3.6% -50.0%
Built between 2000 and 2009 20 10.3% -4.8%
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.

Port Jefferson occupancy rates

Out of the 133 occupied housing units in Port Jefferson, 80.4% are owner-occupied, while 19.6% are lived in by tenants. Meanwhile, 31.8% of all homes on the local market sit vacant.

Occupied housing units
133
-13.6% year-over-year change
Occupancy breakdown
Renter occupied
26
Owner occupied
107
Value Percent YoY
change
Renter occupied 26 19.6% -13.3%
Owner occupied 107 80.4% -13.7%
Unoccupied housing units
31.8%
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.

Port Jefferson housing costs

Housing costs in Port Jefferson come to a median of $843 per month, while tenants specifically pay a median gross rent of $850.

Median housing costs per month
$843/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 Port Jefferson
$850/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 Port Jefferson

Port Jefferson education at a glance

About 76.5% of the population in Port Jefferson went to high school, while 10.3% pursued college studies. Another 4.4% earned an associate degree and 7.4% hold a bachelor’s. Meanwhile, 1.1% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 1 0.4% N/A
High school diploma 208 76.5% -2.8%
College diploma 28 10.3% -45.1%
Associate degree 12 4.4% -29.4%
Bachelor's degree 20 7.4% 11.1%
Graduate degree 3 1.1% 0.0%
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 Port Jefferson

How much people earn in Port Jefferson

The average annual household income in Port Jefferson was $65,008 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +2.7% change from the previous year. At the same time, the median income stood at $57,083, reflecting a +12.6% shift over the same period.

Average household income in Port Jefferson
$65,008/year
2.7% year-over-year change
Median household income in Port Jefferson
$57,083/year
12.6% year-over-year change

Port Jefferson income by age

In Port Jefferson, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $83,750. Those with someone between 45 and 64 in charge, often well established professionally, earn $61,875 overall. Overall, 86.6% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $83,750 10.4%
45 - 64 $61,875 52.3%
Over 65 $47,143 9.3%
Above poverty level
259
Below poverty level
40
Value Percent YoY
change
Above poverty level 259 86.6% -13.9%
Below poverty level 40 13.4% -13.0%

Employment in Port Jefferson

Workforce and job types in Port Jefferson

The job market in Port Jefferson is powered by 153 working residents, spread across a range of industries and roles. 50.3% of the working population are employed in professional or administrative positions, while 49.7% are in hands-on or service-based jobs. Also, 6.5% run their own businesses, 72.6% are employed by private companies, and 15.7% work in the public sector.

Workforce demographics

Working population
153
-14.0% year-over-year change
White collar
77
Blue collar
76
Value Percent YoY change
White collar 77 50.3% -25.2%
Blue collar 76 49.7% 1.3%
Employer type
Self employees
6.5%
Private companies
72.6%
Governmental workers
15.7%
Not for profit companies
5.2%
Value Percent YoY change
Self employees 10 6.5% -33.3%
Private companies 111 72.6% -13.9%
Governmental workers 24 15.7% 9.1%
Not for profit companies 8 5.2% -33.3%
Unemployment rate
9.5%
-27.3% year-over-year change

Available workforce

The unemployment rate in Port Jefferson stands at 9.5%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Port Jefferson

How people get around in Port Jefferson

Means of transportation
Value Percent YoY change
Car 138 93.2% -14.3%
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 Port Jefferson by zipcode?

Zipcode Population Number of households Median income Average income
45360 278 131 $56,250 $64,720

Explore more communities

FAQs about Port Jefferson demographics 

What is the total population of Port Jefferson?

Port Jefferson has a total population of 306 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 -15.2% compared to a year ago.

What is the gender ratio in Port Jefferson?

The gender ratio in Port Jefferson is as follows:
  • 49.7% males (152 residents)
  • 50.3% females (154 residents)

What is the median age in Port Jefferson?

The median age in Port Jefferson is 51.1.

What is the age distribution of the population in Port Jefferson?

The age distribution in Port Jefferson is as follows:
  • Under 15: 4.6% (14 residents)
  • Ages 15-24: 12.1% (37 residents)
  • Ages 25-44: 22.6% (69 residents)
  • Ages 45-64: 40.8% (125 residents)
  • Over 65: 19.9% (61 residents)

What is the racial and ethnic makeup of Port Jefferson?

The racial and ethnic makeup of Port Jefferson is as follows:
  • White: 97.7% (299 residents)
  • Black or African American: 0% (0 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 0% (0 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 2.3% (7 residents)
  • Other: 0% (0 residents)

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

U.S.-born citizens represent 98.4% of the population in Port Jefferson.

How many housing units are there in Port Jefferson?

There are 195 housing units in Port Jefferson, reflecting a -8.9% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Port Jefferson has a total of 133 households, with an average of 2 people in each.

What is the median household income in Port Jefferson?

Port Jefferson has a median household income of $57,083, representing a +12.6% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Port Jefferson?

The employment rate is 90.5% in Port Jefferson, with a workforce of 153 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 50.3% (77 residents)
  • Blue-collar workers: 49.7% (76 residents)

Places of employment:
  • Self-employed: 6.5% (10 residents)
  • Private companies: 72.6% (111 residents)
  • Governmental workers: 15.7% (24 residents)
  • Not-for-profit companies: 5.2% (8 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