Northumberland, NY demographics:
population, income, and more

Total population
8,388
0.2% year-over-year change
Median household income
$100,024/yr
1.7% year-over-year change
Housing units
3,740
1.6% year-over-year change

Northumberland population

How many people live in Northumberland

Northumberland is home to 8,388 residents, according to the most recent Census data. Gender-wise, 50% of Northumberland locals are male, and 50% are female.

Total population
8,388
0.2% year-over-year change
Gender ratio
Male
50%
4,191
Female
50%
4,198
Value Percent YoY change
Male 4,191 50% 1.6%
Female 4,198 50% -1.1%
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 Northumberland is 42, with the population distributed as follows: about 15.5% are children under 15, then 11.3% are in the 15 to 24 age group. Adults between 25 and 44 make up 26.5% of the population, while another 28.4% fall into the 45 to 64 bracket. Finally, around 18.4% are 65 or older.

Median age
41.7
Age breakdown
Under 15
15.5%
15 to 24
11.3%
25 to 44
26.5%
45 to 64
28.4%
Over 65
18.4%
Value Percent YoY change
Under 15 1,298 15.5% -4.8%
15 to 24 948 11.3% -3.6%
25 to 44 2,220 26.5% 2.0%
45 to 64 2,384 28.4% -2.2%
Over 65 1,539 18.4% 9.0%
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 Northumberland, 95.7% of the population are US-born citizens, while 3% have gained naturalized citizenship. At the same time, 1.4% of residents are non-citizens. As for race, 91.3% of locals are Caucasian, 1.3% are African American and 1.6% have Asian roots. There’s also a share of 4.4% that includes residents with two or more races.

Citizenship
U.S.-born citizens
95.7%
Non-U.S.-born citizens
3%
Non-citizens
1.4%
Value Percent YoY change
U.S.-born citizens 8,025 95.7% 0.3%
Non-U.S.-born citizens 250 3% 0.8%
Non-citizens 114 1.4% -5.0%
Racial breakdown
White
91.3%
Black or African American
1.3%
American Indian and Alaska Native
0.1%
Asian
1.6%
Native Hawaiian and other Pacific Islander
0%
Two or more races
4.4%
Other
1.3%
Value Percent
White 7,656 91.3%
Black or African American 111 1.3%
American Indian and Alaska Native 7 0.1%
Asian 132 1.6%
Native Hawaiian and other Pacific Islander 3 0%
Two or more races 373 4.4%
Other 106 1.3%

Households in Northumberland

A peek inside Northumberland households

Northumberland has 3,542 households, with an average of 2 members in each. Of these, 61.7% are families, while the remaining 38.3% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
3,542
2.4% year-over-year change
Average people per household
2
Non-family households
1,357
Family households
2,185
Value Percent YoY change
Non-family households 1,357 38.3% 6.7%
Family households 2,185 61.7% -0.1%
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 Northumberland

The housing landscape of Northumberland

Northumberland's housing consists of 3,740 units, with 68.6% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 2.9% 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 5.1% of the housing landscape.

Housing units
3,740
1.6% year-over-year change
Housing types
Value Percent
1 unit, detached 2,564 68.6%
1 unit, attached 107 2.9%
2 units 152 4.1%
3 or 4 units 152 4.1%
5 to 9 units 206 5.5%
10 to 19 units 62 1.7%
20 to 49 units 172 4.6%
50 or more units 133 3.6%
Mobile home 192 5.1%
Homes built since 2020
48
71.4% year-over-year change

The age of buildings in Northumberland

In Northumberland, the median construction year is 1982. About 15.1% of homes were built before the 1940s, with another 2.8% going up by 1949. Most development happened in the second half of the 20th century. Then, 21.8% of homes were added from 2000 to 2009, 12.1% between 2010 and 2019, and 1.3% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 566 15.1% -6.6%
Built between 1940 and 1949 106 2.8% 8.2%
Built between 1950 and 1959 107 2.9% 20.2%
Built between 1960 and 1969 238 6.4% 10.2%
Built between 1970 and 1979 408 10.9% -10.7%
Built between 1980 and 1989 428 11.4% 13.5%
Built between 1990 and 1999 571 15.3% -5.9%
Built between 2000 and 2009 814 21.8% 2.0%
Built between 2010 and 2019 453 12.1% 11.3%
Built in 2020 or later 48 1.3% 71.4%
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.

Northumberland occupancy rates

Out of the 3,542 occupied housing units in Northumberland, 73.2% are owner-occupied, while 26.8% are lived in by tenants. Meanwhile, 5.3% of all homes on the local market sit vacant.

Occupied housing units
3,542
2.4% year-over-year change
Occupancy breakdown
Renter occupied
951
Owner occupied
2,591
Value Percent YoY
change
Renter occupied 951 26.8% -0.4%
Owner occupied 2,591 73.2% 3.5%
Unoccupied housing units
5.3%
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.

Northumberland housing costs

Housing costs in Northumberland come to a median of $1,561 per month, while tenants specifically pay a median gross rent of $1,328.

Median housing costs per month
$1,561/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 Northumberland
$1,328/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 Northumberland

Northumberland education at a glance

About 28.6% of the population in Northumberland went to high school, while 16.4% pursued college studies. Another 9.2% earned an associate degree and 25.7% hold a bachelor’s. Meanwhile, 18.5% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 111 1.6% 11.0%
High school diploma 1,936 28.6% -5.7%
College diploma 1,110 16.4% -4.6%
Associate degree 625 9.2% 3.1%
Bachelor's degree 1,742 25.7% 4.1%
Graduate degree 1,255 18.5% 13.8%
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 Northumberland

How much people earn in Northumberland

The average annual household income in Northumberland was $122,497 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +4.8% change from the previous year. At the same time, the median income stood at $100,024, reflecting a +1.7% shift over the same period.

Average household income in Northumberland
$122,497/year
4.8% year-over-year change
Median household income in Northumberland
$100,024/year
1.7% year-over-year change

Northumberland income by age

In Northumberland, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $113,462. Those with someone between 45 and 64 in charge, often well established professionally, earn $115,369 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $60,506, while those led by someone over 65, many of whom may be retired, have about $61,146 in earnings. Overall, 93.4% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $60,506 -22.2%
25 - 44 $113,462 1.8%
45 - 64 $115,369 4.0%
Over 65 $61,146 -8.3%
Above poverty level
7,586
Below poverty level
538
Value Percent YoY
change
Above poverty level 7,586 93.4% -0.9%
Below poverty level 538 6.6% 11.4%

Employment in Northumberland

Workforce and job types in Northumberland

84.4% of the working population are employed in professional or administrative positions, while 15.6% are in hands-on or service-based jobs. Also, 9.7% run their own businesses, 62.9% are employed by private companies, and 15.2% work in the public sector.

Workforce demographics

White collar
3,791
Blue collar
700
Value Percent YoY change
White collar 3,791 84.4% 1.6%
Blue collar 700 15.6% -7.8%
Employer type
Self employees
9.7%
Private companies
62.9%
Governmental workers
15.2%
Not for profit companies
12.2%
Value Percent YoY change
Self employees 435 9.7% 1.6%
Private companies 2,824 62.9% -0.1%
Governmental workers 682 15.2% -8.8%
Not for profit companies 550 12.2% 13.2%

Transportation in Northumberland

How people get around in Northumberland

In Northumberland, the average commute time is 8 minutes. Commuting methods vary: 97.2% of residents travel by personal vehicle and 2.2% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
8 min
Means of transportation
Value Percent YoY change
Car 3,479 97.2% -3.1%
Taxicab 1 0% 0.0%
Bus or trolleybus 8 0.2% -11.1%
Railroad 5 0.1% 66.7%
Motorcycle 3 0.1% 200.0%
Bicycle 7 0.2% 75.0%
Walk 78 2.2% 16.4%
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 Northumberland by zipcode?

Zipcode Population Number of households Median income Average income
12866 40,057 18,248 $101,901 $143,238
12871 3,813 1,613 $96,024 $109,681
12831 18,025 7,378 $100,024 $125,179

Explore more communities

FAQs about Northumberland demographics 

What is the total population of Northumberland?

Northumberland has a total population of 8,388 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 +0.2% compared to a year ago.

What is the gender ratio in Northumberland?

The gender ratio in Northumberland is as follows:
  • 50% males (4,191 residents)
  • 50% females (4,198 residents)

What is the median age in Northumberland?

The median age in Northumberland is 41.7.

What is the age distribution of the population in Northumberland?

The age distribution in Northumberland is as follows:
  • Under 15: 15.5% (1,298 residents)
  • Ages 15-24: 11.3% (948 residents)
  • Ages 25-44: 26.5% (2,220 residents)
  • Ages 45-64: 28.4% (2,384 residents)
  • Over 65: 18.4% (1,539 residents)

What is the racial and ethnic makeup of Northumberland?

The racial and ethnic makeup of Northumberland is as follows:
  • White: 91.3% (7,656 residents)
  • Black or African American: 1.3% (111 residents)
  • American Indian and Alaska Native: 0.1% (7 residents)
  • Asian: 1.6% (132 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (3 residents)
  • Two or More Races: 4.4% (373 residents)
  • Other: 1.3% (106 residents)

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

U.S.-born citizens represent 95.7% of the population in Northumberland.

How many housing units are there in Northumberland?

There are 3,740 housing units in Northumberland, reflecting a +1.6% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Northumberland has a total of 3,542 households, with an average of 2 people in each.

What is the median household income in Northumberland?

Northumberland has a median household income of $100,024, representing a +1.7% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Northumberland?

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

Job types:
  • White-collar workers: 84.4% (3,791 residents)
  • Blue-collar workers: 15.6% (700 residents)

Places of employment:
  • Self-employed: 9.7% (435 residents)
  • Private companies: 62.9% (2,824 residents)
  • Governmental workers: 15.2% (682 residents)
  • Not-for-profit companies: 12.2% (550 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