Sewickley, Westmoreland County, PA demographics:
population, income, and more

Total population
3,823
-0.7% year-over-year change
Median household income
$101,053/yr
6.6% year-over-year change
Housing units
1,913
2.6% year-over-year change

Sewickley population

How many people live in Sewickley

Sewickley is home to 3,823 residents, according to the most recent Census data. Gender-wise, 46.4% of Sewickley locals are male, and 53.6% are female.

Total population
3,823
-0.7% year-over-year change
Gender ratio
Male
46.4%
1,774
Female
53.6%
2,049
Value Percent YoY change
Male 1,774 46.4% -3.1%
Female 2,049 53.6% 1.5%
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 Sewickley is 39, with the population distributed as follows: about 17.4% are children under 15, then 12.8% are in the 15 to 24 age group. Adults between 25 and 44 make up 24.8% of the population, while another 26.7% fall into the 45 to 64 bracket. Finally, around 18.2% are 65 or older.

Median age
38.7
Age breakdown
Under 15
17.4%
15 to 24
12.8%
25 to 44
24.8%
45 to 64
26.7%
Over 65
18.2%
Value Percent YoY change
Under 15 667 17.4% -8.8%
15 to 24 491 12.8% 14.2%
25 to 44 948 24.8% -5.4%
45 to 64 1,021 26.7% 4.5%
Over 65 696 18.2% -2.0%
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 Sewickley, 95.8% of the population are US-born citizens, while 3.9% have gained naturalized citizenship. At the same time, 0.3% of residents are non-citizens. There’s also a share of 10.1% that includes residents with two or more races.

Citizenship
U.S.-born citizens
95.8%
Non-U.S.-born citizens
3.9%
Non-citizens
0.3%
Value Percent YoY change
U.S.-born citizens 3,663 95.8% -1.5%
Non-U.S.-born citizens 148 3.9% 33.3%
Non-citizens 12 0.3% -40.0%
Racial breakdown
White
85.9%
Black or African American
2.5%
American Indian and Alaska Native
0%
Asian
0%
Native Hawaiian and other Pacific Islander
0%
Two or more races
10.1%
Other
1.5%
Value Percent
White 3,283 85.9%
Black or African American 97 2.5%
Two or more races 386 10.1%
Other 57 1.5%

Households in Sewickley

A peek inside Sewickley households

Sewickley has 1,642 households, with an average of 2 members in each. Of these, 61% are families, while the remaining 39% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
1,642
0.6% year-over-year change
Average people per household
2
Non-family households
641
Family households
1,001
Value Percent YoY change
Non-family households 641 39% -0.2%
Family households 1,001 61% 1.0%
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 Sewickley

The housing landscape of Sewickley

Sewickley's housing consists of 1,913 units, with 61.5% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 4% and offer a more compact, shared living style.

Housing units
1,913
2.6% year-over-year change
Housing types
Value Percent
1 unit, detached 1,176 61.5%
1 unit, attached 77 4%
2 units 54 2.8%
3 or 4 units 116 6.1%
5 to 9 units 90 4.7%
10 to 19 units 195 10.2%
20 to 49 units 132 6.9%
50 or more units 73 3.8%
Homes built since 2020
18
% year-over-year change

The age of buildings in Sewickley

In Sewickley, the median construction year is 1938. About 53.7% of homes were built before the 1940s, with another 5.5% going up by 1949. Most development happened in the second half of the 20th century. Then, 0.6% of homes were added from 2000 to 2009, 2.8% between 2010 and 2019, and 0.9% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 1,028 53.7% 4.2%
Built between 1940 and 1949 106 5.5% 2.9%
Built between 1950 and 1959 246 12.9% -5.0%
Built between 1960 and 1969 265 13.8% 5.2%
Built between 1970 and 1979 85 4.4% -22.7%
Built between 1980 and 1989 82 4.3% 10.8%
Built between 1990 and 1999 19 1% -5.0%
Built between 2000 and 2009 11 0.6% N/A
Built between 2010 and 2019 53 2.8% -11.7%
Built in 2020 or later 18 0.9% N/A
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.

Sewickley occupancy rates

Out of the 1,642 occupied housing units in Sewickley, 68% are owner-occupied, while 32% are lived in by tenants. Meanwhile, 14.2% of all homes on the local market sit vacant.

Occupied housing units
1,642
0.6% year-over-year change
Occupancy breakdown
Renter occupied
525
Owner occupied
1,117
Value Percent YoY
change
Renter occupied 525 32% 5.2%
Owner occupied 1,117 68% -1.5%
Unoccupied housing units
14.2%
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.

Sewickley housing costs

Housing costs in Sewickley come to a median of $1,527 per month, while tenants specifically pay a median gross rent of $955.

Median housing costs per month
$1,527/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 Sewickley
$955/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 Sewickley

Sewickley education at a glance

About 14.9% of the population in Sewickley went to high school, while 14.7% pursued college studies. Another 9.7% earned an associate degree and 30.9% hold a bachelor’s. Meanwhile, 29.5% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 9 0.3% -65.4%
High school diploma 443 14.9% -8.8%
College diploma 437 14.7% 1.4%
Associate degree 289 9.7% -9.7%
Bachelor's degree 920 30.9% 10.4%
Graduate degree 877 29.5% 5.0%
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 Sewickley

How much people earn in Sewickley

The average annual household income in Sewickley was $153,865 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +2% change from the previous year. At the same time, the median income stood at $101,053, reflecting a +6.6% shift over the same period.

Average household income in Sewickley
$153,865/year
1.9% year-over-year change
Median household income in Sewickley
$101,053/year
6.6% year-over-year change

Sewickley income by age

In Sewickley, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $109,583. Those with someone between 45 and 64 in charge, often well established professionally, earn $140,341 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $35,648, while those led by someone over 65, many of whom may be retired, have about $41,681 in earnings. Overall, 91.7% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $35,648 -4.4%
25 - 44 $109,583 0.5%
45 - 64 $140,341 2.7%
Over 65 $41,681 15.2%
Above poverty level
3,431
Below poverty level
309
Value Percent YoY
change
Above poverty level 3,431 91.7% -2.2%
Below poverty level 309 8.3% 14.9%

Average renter income in Sewickley

To get a better sense of what renters earn on average in Sewickley, their median household income was $35,474 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 32.3%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$35,474
Rent-to-income ratio
32.3%
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 Sewickley

Workforce and job types in Sewickley

The job market in Sewickley is powered by 2,041 working residents, spread across a range of industries and roles. 93.3% of the working population are employed in professional or administrative positions, while 6.7% are in hands-on or service-based jobs. Also, 8.7% run their own businesses, 72.1% are employed by private companies, and 6.7% work in the public sector.

Workforce demographics

Working population
2,041
3.6% year-over-year change
White collar
1,905
Blue collar
136
Value Percent YoY change
White collar 1,905 93.3% 4.0%
Blue collar 136 6.7% -1.4%
Employer type
Self employees
8.7%
Private companies
72.1%
Governmental workers
6.7%
Not for profit companies
12.5%
Value Percent YoY change
Self employees 178 8.7% 28.1%
Private companies 1,471 72.1% -2.1%
Governmental workers 136 6.7% 13.3%
Not for profit companies 256 12.5% 22.5%
Unemployment rate
7.0%
2.0% year-over-year change

Available workforce

The unemployment rate in Sewickley stands at 7%, 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 Sewickley

How people get around in Sewickley

Commuting methods vary: 51.3% of residents travel by personal vehicle and 13% 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 1,037 51.3% -2.8%
Taxicab 9 0.4% N/A
Bus or trolleybus 8 0.4% -52.9%
Bicycle 9 0.4% -10.0%
Walk 262 13% -1.5%
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 Sewickley by zipcode?

Zipcode Population Number of households Median income Average income
15698 789 359 $49,375 $66,431
15083 913 465 $64,750 $103,816
15089 6,789 3,016 $60,533 $75,403
15637 1,821 749 $70,461 $85,303
15640 355 130 $83,000 $71,732
15642 46,325 19,251 $97,706 $119,161
15660 299 102 $0 $91,662
15678 472 234 $66,389 $72,850

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FAQs about Sewickley demographics 

What is the total population of Sewickley?

Sewickley has a total population of 3,823 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 -0.7% compared to a year ago.

What is the gender ratio in Sewickley?

The gender ratio in Sewickley is as follows:
  • 46.4% males (1,774 residents)
  • 53.6% females (2,049 residents)

What is the median age in Sewickley?

The median age in Sewickley is 38.7.

What is the age distribution of the population in Sewickley?

The age distribution in Sewickley is as follows:
  • Under 15: 17.4% (667 residents)
  • Ages 15-24: 12.8% (491 residents)
  • Ages 25-44: 24.8% (948 residents)
  • Ages 45-64: 26.7% (1,021 residents)
  • Over 65: 18.2% (696 residents)

What is the racial and ethnic makeup of Sewickley?

The racial and ethnic makeup of Sewickley is as follows:
  • White: 85.9% (3,283 residents)
  • Black or African American: 2.5% (97 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: 10.1% (386 residents)
  • Other: 1.5% (57 residents)

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

U.S.-born citizens represent 95.8% of the population in Sewickley.

How many housing units are there in Sewickley?

There are 1,913 housing units in Sewickley, reflecting a +2.6% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Sewickley has a total of 1,642 households, with an average of 2 people in each.

What is the median household income in Sewickley?

Sewickley has a median household income of $101,053, representing a +6.6% shift from the previous year, according to the U.S. Census Bureau.

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

The employment rate is 93% in Sewickley, with a workforce of 2,041 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 93.3% (1,905 residents)
  • Blue-collar workers: 6.7% (136 residents)

Places of employment:
  • Self-employed: 8.7% (178 residents)
  • Private companies: 72.1% (1,471 residents)
  • Governmental workers: 6.7% (136 residents)
  • Not-for-profit companies: 12.5% (256 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