Northumberland, PA demographics:
population, income, and more

Total population
3,866
-0.2% year-over-year change
Median household income
$66,477/yr
16.3% year-over-year change
Housing units
1,814
-2.5% year-over-year change

Northumberland population

How many people live in Northumberland

Northumberland is home to 3,866 residents, according to the most recent Census data. Gender-wise, 49.8% of Northumberland locals are male, and 50.2% are female.

Total population
3,866
-0.2% year-over-year change
Gender ratio
Male
49.8%
1,924
Female
50.2%
1,942
Value Percent YoY change
Male 1,924 49.8% 6.4%
Female 1,942 50.2% -6.0%
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 41, with the population distributed as follows: about 18.7% are children under 15, then 8.3% are in the 15 to 24 age group. Adults between 25 and 44 make up 27.6% of the population, while another 24.7% fall into the 45 to 64 bracket. Finally, around 20.8% are 65 or older.

Median age
41
Age breakdown
Under 15
18.7%
15 to 24
8.3%
25 to 44
27.6%
45 to 64
24.7%
Over 65
20.8%
Value Percent YoY change
Under 15 722 18.7% -7.5%
15 to 24 320 8.3% 80.8%
25 to 44 1,066 27.6% -5.2%
45 to 64 954 24.7% 9.7%
Over 65 804 20.8% -12.7%
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, 98.1% of the population are US-born citizens, while 1.9% have gained naturalized citizenship. There’s also a share of 3.7% that includes residents with two or more races.

Citizenship
U.S.-born citizens
98.1%
Non-U.S.-born citizens
1.9%
Non-citizens
0%
Value Percent YoY change
U.S.-born citizens 3,793 98.1% 0.8%
Non-U.S.-born citizens 73 1.9% 58.7%
Racial breakdown
White
92.7%
Black or African American
0.3%
American Indian and Alaska Native
0.6%
Asian
0%
Native Hawaiian and other Pacific Islander
0%
Two or more races
3.7%
Other
2.7%
Value Percent
White 3,584 92.7%
Black or African American 11 0.3%
American Indian and Alaska Native 25 0.6%
Two or more races 142 3.7%
Other 104 2.7%

Households in Northumberland

A peek inside Northumberland households

Northumberland has 1,726 households, with an average of 2 members in each. Of these, 65.9% are families, while the remaining 34.1% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
1,726
-2.8% year-over-year change
Average people per household
2
Non-family households
589
Family households
1,137
Value Percent YoY change
Non-family households 589 34.1% -9.7%
Family households 1,137 65.9% 1.2%
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 1,814 units, with 60.1% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 15.2% 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 0.5% of the housing landscape.

Housing units
1,814
-2.5% year-over-year change
Housing types
Value Percent
1 unit, detached 1,091 60.1%
1 unit, attached 276 15.2%
2 units 101 5.6%
3 or 4 units 243 13.4%
10 to 19 units 9 0.5%
20 to 49 units 85 4.7%
Mobile home 9 0.5%
Homes built since 2020
0
% year-over-year change

The age of buildings in Northumberland

In Northumberland, the median construction year is 1949. About 37.4% of homes were built before the 1940s, with another 13.8% going up by 1949. 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 679 37.4% 16.5%
Built between 1940 and 1949 251 13.8% -7.0%
Built between 1950 and 1959 192 10.6% -7.7%
Built between 1960 and 1969 241 13.3% -16.9%
Built between 1970 and 1979 136 7.5% -39.0%
Built between 1980 and 1989 146 8% 5.0%
Built between 1990 and 1999 117 6.4% 3.5%
Built between 2000 and 2009 36 2% 28.6%
Built between 2010 and 2019 16 0.9% 128.6%
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 1,726 occupied housing units in Northumberland, 70.9% are owner-occupied, while 29.1% are lived in by tenants. Meanwhile, 4.9% of all homes on the local market sit vacant.

Occupied housing units
1,726
-2.8% year-over-year change
Occupancy breakdown
Renter occupied
502
Owner occupied
1,224
Value Percent YoY
change
Renter occupied 502 29.1% -20.6%
Owner occupied 1,224 70.9% 7.0%
Unoccupied housing units
4.9%
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 $889 per month, while tenants specifically pay a median gross rent of $897.

Median housing costs per month
$889/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
$897/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 47.9% of the population in Northumberland went to high school, while 15.4% pursued college studies. Another 11.7% earned an associate degree and 17% hold a bachelor’s. Meanwhile, 6.6% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 42 1.4% 7.7%
High school diploma 1,449 47.9% -8.9%
College diploma 467 15.4% -0.2%
Associate degree 353 11.7% 11.4%
Bachelor's degree 515 17% 32.7%
Graduate degree 201 6.6% -2.9%
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 $75,392 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +12.4% change from the previous year. At the same time, the median income stood at $66,477, reflecting a +16.3% shift over the same period.

Average household income in Northumberland
$75,392/year
12.4% year-over-year change
Median household income in Northumberland
$66,477/year
16.3% 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 $65,347. Those with someone between 45 and 64 in charge, often well established professionally, earn $98,317 overall. Overall, 83.3% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $65,347 2.0%
45 - 64 $98,317 7.0%
Over 65 $38,882 2.8%
Above poverty level
3,123
Below poverty level
625
Value Percent YoY
change
Above poverty level 3,123 83.3% 1.0%
Below poverty level 625 16.7% -10.3%

Average renter income in Northumberland

To get a better sense of what renters earn on average in Northumberland, their median household income was $33,611 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 32%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$33,611
Rent-to-income ratio
32%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in Northumberland

Workforce and job types in Northumberland

The job market in Northumberland is powered by 2,078 working residents, spread across a range of industries and roles. 64.8% of the working population are employed in professional or administrative positions, while 35.2% are in hands-on or service-based jobs. Also, 5.3% run their own businesses, 68% are employed by private companies, and 9.7% work in the public sector.

Workforce demographics

Working population
2,078
5.3% year-over-year change
White collar
1,346
Blue collar
732
Value Percent YoY change
White collar 1,346 64.8% 7.5%
Blue collar 732 35.2% 1.4%
Employer type
Self employees
5.3%
Private companies
68%
Governmental workers
9.7%
Not for profit companies
17%
Value Percent YoY change
Self employees 110 5.3% -19.7%
Private companies 1,412 68% 1.7%
Governmental workers 202 9.7% 3.1%
Not for profit companies 354 17% 39.9%
Unemployment rate
1.4%
25.0% year-over-year change

Available workforce

The unemployment rate in Northumberland stands at 1.4%, 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 Northumberland

How people get around in Northumberland

Commuting methods vary: 87.4% of residents travel by personal vehicle and 2.9% 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 1,707 87.4% 4.3%
Railroad 19 1% -17.4%
Motorcycle 6 0.3% -70.0%
Walk 56 2.9% 55.6%
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
17857 7,671 3,470 $67,298 $79,516

Find your place

Explore more communities

FAQs about Northumberland demographics 

What is the total population of Northumberland?

Northumberland has a total population of 3,866 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:
  • 49.8% males (1,924 residents)
  • 50.2% females (1,942 residents)

What is the median age in Northumberland?

The median age in Northumberland is 41.

What is the age distribution of the population in Northumberland?

The age distribution in Northumberland is as follows:
  • Under 15: 18.7% (722 residents)
  • Ages 15-24: 8.3% (320 residents)
  • Ages 25-44: 27.6% (1,066 residents)
  • Ages 45-64: 24.7% (954 residents)
  • Over 65: 20.8% (804 residents)

What is the racial and ethnic makeup of Northumberland?

The racial and ethnic makeup of Northumberland is as follows:
  • White: 92.7% (3,584 residents)
  • Black or African American: 0.3% (11 residents)
  • American Indian and Alaska Native: 0.6% (25 residents)
  • Asian: 0% (0 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 3.7% (142 residents)
  • Other: 2.7% (104 residents)

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

U.S.-born citizens represent 98.1% of the population in Northumberland.

How many housing units are there in Northumberland?

There are 1,814 housing units in Northumberland, reflecting a -2.5% 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 1,726 households, with an average of 2 people in each.

What is the median household income in Northumberland?

Northumberland has a median household income of $66,477, representing a +16.3% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Northumberland?

The employment rate is 98.6% in Northumberland, with a workforce of 2,078 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 64.8% (1,346 residents)
  • Blue-collar workers: 35.2% (732 residents)

Places of employment:
  • Self-employed: 5.3% (110 residents)
  • Private companies: 68% (1,412 residents)
  • Governmental workers: 9.7% (202 residents)
  • Not-for-profit companies: 17% (354 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