North Jefferson, Thousand Island - Seaway, NY demographics:
population, income, and more

Total population
13,127
0.1% year-over-year change
Median household income
$84,526/yr
8.2% year-over-year change
Housing units
10,189
-1.7% year-over-year change

North Jefferson population

How many people live in North Jefferson

North Jefferson is home to 13,127 residents, according to the most recent Census data. Gender-wise, 54.1% of North Jefferson locals are male, and 45.9% are female.

Total population
13,127
0.1% year-over-year change
Gender ratio
Male
54.1%
7,105
Female
45.9%
6,022
Value Percent YoY change
Male 7,105 54.1% 0.1%
Female 6,022 45.9% 0.2%
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 North Jefferson is 46, with the population distributed as follows: about 15.4% are children under 15, then 10.9% are in the 15 to 24 age group. Adults between 25 and 44 make up 26.6% of the population, while another 24.4% fall into the 45 to 64 bracket. Finally, around 22.7% are 65 or older.

Median age
46
Age breakdown
Under 15
15.4%
15 to 24
10.9%
25 to 44
26.6%
45 to 64
24.4%
Over 65
22.7%
Value Percent YoY change
Under 15 2,026 15.4% -3.9%
15 to 24 1,434 10.9% -0.8%
25 to 44 3,487 26.6% -2.0%
45 to 64 3,202 24.4% 3.4%
Over 65 2,979 22.7% 2.9%
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 North Jefferson, 96.5% of the population are US-born citizens, while 2.4% have gained naturalized citizenship. At the same time, 1% of residents are non-citizens. As for race, 91.7% of locals are Caucasian, 2.5% are African American and 0.8% have Asian roots. There’s also a share of 3.8% that includes residents with two or more races.

Citizenship
U.S.-born citizens
96.5%
Non-U.S.-born citizens
2.4%
Non-citizens
1%
Value Percent YoY change
U.S.-born citizens 12,671 96.5% 0.2%
Non-U.S.-born citizens 321 2.4% -0.9%
Non-citizens 135 1% -1.5%
Racial breakdown
White
91.7%
Black or African American
2.5%
American Indian and Alaska Native
0.3%
Asian
0.8%
Native Hawaiian and other Pacific Islander
0%
Two or more races
3.8%
Other
0.9%
Value Percent
White 12,035 91.7%
Black or African American 328 2.5%
American Indian and Alaska Native 43 0.3%
Asian 103 0.8%
Two or more races 500 3.8%
Other 119 0.9%

Households in North Jefferson

A peek inside North Jefferson households

North Jefferson has 5,475 households, with an average of 2 members in each. Of these, 62.4% are families, while the remaining 37.6% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
5,475
2.2% year-over-year change
Average people per household
2
Non-family households
2,059
Family households
3,416
Value Percent YoY change
Non-family households 2,059 37.6% 1.3%
Family households 3,416 62.4% 2.8%
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 North Jefferson

The housing landscape of North Jefferson

North Jefferson's housing consists of 10,189 units, with 68.6% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 1.8% 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 18.8% of the housing landscape.

Housing units
10,189
-1.7% year-over-year change
Housing types
Value Percent
1 unit, detached 6,994 68.6%
1 unit, attached 185 1.8%
2 units 271 2.7%
3 or 4 units 379 3.7%
5 to 9 units 89 0.9%
10 to 19 units 177 1.7%
20 to 49 units 95 0.9%
50 or more units 74 0.7%
Mobile home 1,919 18.8%
Boat, RV, van, etc. 6 0.1%
Homes built since 2020
111
208.3% year-over-year change

The age of buildings in North Jefferson

In North Jefferson, the median construction year is 1978. About 32% of homes were built before the 1940s, with another 2.9% going up by 1949. Most development happened in the second half of the 20th century. Then, 12.8% of homes were added from 2000 to 2009, 7.3% between 2010 and 2019, and 1.1% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 3,255 32% 6.0%
Built between 1940 and 1949 297 2.9% -9.7%
Built between 1950 and 1959 504 5% -12.5%
Built between 1960 and 1969 673 6.6% -26.0%
Built between 1970 and 1979 820 8% -5.3%
Built between 1980 and 1989 1,410 13.8% -11.5%
Built between 1990 and 1999 1,066 10.5% -9.8%
Built between 2000 and 2009 1,305 12.8% 9.7%
Built between 2010 and 2019 747 7.3% 20.9%
Built in 2020 or later 111 1.1% 208.3%
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.

North Jefferson occupancy rates

Out of the 5,475 occupied housing units in North Jefferson, 76.2% are owner-occupied, while 23.8% are lived in by tenants. Meanwhile, 46.3% of all homes on the local market sit vacant.

Occupied housing units
5,475
2.2% year-over-year change
Occupancy breakdown
Renter occupied
1,306
Owner occupied
4,169
Value Percent YoY
change
Renter occupied 1,306 23.8% -11.9%
Owner occupied 4,169 76.2% 7.6%
Unoccupied housing units
46.3%
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.

North Jefferson housing costs

Housing costs in North Jefferson come to a median of $1,046 per month, while tenants specifically pay a median gross rent of $948.

Median housing costs per month
$1,046/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 North Jefferson
$948/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 North Jefferson

North Jefferson education at a glance

About 37.4% of the population in North Jefferson went to high school, while 18.1% pursued college studies. Another 12.3% earned an associate degree and 14.2% hold a bachelor’s. Meanwhile, 14.4% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 387 3.7% -3.2%
High school diploma 3,919 37.4% -2.0%
College diploma 1,895 18.1% -3.3%
Associate degree 1,286 12.3% 1.6%
Bachelor's degree 1,483 14.2% -0.3%
Graduate degree 1,512 14.4% 11.8%
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 North Jefferson

How much people earn in North Jefferson

The average annual household income in North Jefferson was $100,036 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +5% change from the previous year. At the same time, the median income stood at $84,526, reflecting a +8.2% shift over the same period.

Average household income in North Jefferson
$100,036/year
5.0% year-over-year change
Median household income in North Jefferson
$84,526/year
8.2% year-over-year change

North Jefferson income by age

In North Jefferson, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $101,357. Those with someone between 45 and 64 in charge, often well established professionally, earn $89,643 overall. Overall, 90.4% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $101,357 9.9%
45 - 64 $89,643 7.0%
Over 65 $77,667 19.9%
Above poverty level
11,273
Below poverty level
1,202
Value Percent YoY
change
Above poverty level 11,273 90.4% 2.1%
Below poverty level 1,202 9.6% -11.9%

Employment in North Jefferson

Workforce and job types in North Jefferson

73.4% of the working population are employed in professional or administrative positions, while 26.6% are in hands-on or service-based jobs. Also, 13.3% run their own businesses, 54.5% are employed by private companies, and 22.2% work in the public sector.

Workforce demographics

White collar
4,219
Blue collar
1,528
Value Percent YoY change
White collar 4,219 73.4% 4.3%
Blue collar 1,528 26.6% -8.6%
Employer type
Self employees
13.3%
Private companies
54.5%
Governmental workers
22.2%
Not for profit companies
10%
Value Percent YoY change
Self employees 767 13.3% 8.6%
Private companies 3,133 54.5% -4.4%
Governmental workers 1,275 22.2% 4.0%
Not for profit companies 573 10% 12.8%

Transportation in North Jefferson

How people get around in North Jefferson

In North Jefferson, the average commute time is 76 minutes. Commuting methods vary: 94.6% of residents travel by personal vehicle and 5.1% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
76 min
-1.3% year-over-year change
Means of transportation
Value Percent YoY change
Car 4,899 94.6% -1.5%
Ferryboat 5 0.1% 0.0%
Bicycle 13 0.2% -13.3%
Walk 262 5.1% 43.2%
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 North Jefferson by zipcode?

Zipcode Population Number of households Median income Average income
13675 54 16 $208,182 $162,213
13679 1,205 499 $101,932 $115,339
13607 2,020 1,042 $66,500 $146,602
13691 2,990 1,157 $79,943 $98,405
13622 1,859 742 $81,065 $100,894
13656 2,942 1,086 $72,500 $80,107
13624 4,650 1,928 $87,988 $110,661
13692 222 85 $190,250 $302,659
13640 318 156 $118,026 $113,239
13641 91 56 $61,458 $86,243

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FAQs about North Jefferson demographics 

What is the total population of North Jefferson?

North Jefferson has a total population of 13,127 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 +0.1% compared to a year ago.

What is the gender ratio in North Jefferson?

The gender ratio in North Jefferson is as follows:
  • 54.1% males (7,105 residents)
  • 45.9% females (6,022 residents)

What is the median age in North Jefferson?

The median age in North Jefferson is 46.

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

The age distribution in North Jefferson is as follows:
  • Under 15: 15.4% (2,026 residents)
  • Ages 15-24: 10.9% (1,434 residents)
  • Ages 25-44: 26.6% (3,487 residents)
  • Ages 45-64: 24.4% (3,202 residents)
  • Over 65: 22.7% (2,979 residents)

What is the racial and ethnic makeup of North Jefferson?

The racial and ethnic makeup of North Jefferson is as follows:
  • White: 91.7% (12,035 residents)
  • Black or African American: 2.5% (328 residents)
  • American Indian and Alaska Native: 0.3% (43 residents)
  • Asian: 0.8% (103 residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 3.8% (500 residents)
  • Other: 0.9% (119 residents)

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

U.S.-born citizens represent 96.5% of the population in North Jefferson.

How many housing units are there in North Jefferson?

There are 10,189 housing units in North Jefferson, reflecting a -1.7% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

North Jefferson has a total of 5,475 households, with an average of 2 people in each.

What is the median household income in North Jefferson?

North Jefferson has a median household income of $84,526, representing a +8.2% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for North Jefferson?

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

Job types:
  • White-collar workers: 73.4% (4,219 residents)
  • Blue-collar workers: 26.6% (1,528 residents)

Places of employment:
  • Self-employed: 13.3% (767 residents)
  • Private companies: 54.5% (3,133 residents)
  • Governmental workers: 22.2% (1,275 residents)
  • Not-for-profit companies: 10% (573 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