Buffalo, Butler County, PA demographics:
population, income, and more

Total population
5,125
1.6% year-over-year change
Median household income
$90,950/yr
2.1% year-over-year change
Housing units
2,096
2.1% year-over-year change

Buffalo population

How many people live in Buffalo

Buffalo is home to 5,125 residents, according to the most recent Census data. Gender-wise, 51.1% of Buffalo locals are male, and 49% are female.

Total population
5,125
1.6% year-over-year change
Gender ratio
Male
51.1%
2,617
Female
49%
2,509
Value Percent YoY change
Male 2,617 51.1% 3.5%
Female 2,509 49% -0.4%
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 Buffalo is 50, with the population distributed as follows: about 16.2% are children under 15, then 9.9% are in the 15 to 24 age group. Adults between 25 and 44 make up 18.4% of the population, while another 28.4% fall into the 45 to 64 bracket. Finally, around 27.2% are 65 or older.

Median age
50.1
Age breakdown
Under 15
16.2%
15 to 24
9.9%
25 to 44
18.4%
45 to 64
28.4%
Over 65
27.2%
Value Percent YoY change
Under 15 830 16.2% 3.0%
15 to 24 507 9.9% 16.0%
25 to 44 940 18.4% -1.9%
45 to 64 1,453 28.4% 0.1%
Over 65 1,394 27.2% -0.1%
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 Buffalo, 97.7% of the population are US-born citizens, while 1.9% have gained naturalized citizenship. At the same time, 0.4% of residents are non-citizens. There’s also a share of 4.7% that includes residents with two or more races.

Citizenship
U.S.-born citizens
97.7%
Non-U.S.-born citizens
1.9%
Non-citizens
0.4%
Value Percent YoY change
U.S.-born citizens 5,007 97.7% 0.9%
Non-U.S.-born citizens 99 1.9% 47.8%
Non-citizens 19 0.4% -9.5%
Racial breakdown
White
94.2%
Black or African American
0%
American Indian and Alaska Native
0%
Asian
1%
Native Hawaiian and other Pacific Islander
0%
Two or more races
4.7%
Other
0%
Value Percent
White 4,828 94.2%
Black or African American 1 0%
Asian 54 1%
Two or more races 242 4.7%
Other 1 0%

Households in Buffalo

A peek inside Buffalo households

Buffalo has 2,015 households, with an average of 2 members in each. Of these, 75.1% are families, while the remaining 24.9% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
2,015
1.4% year-over-year change
Average people per household
2
Non-family households
501
Family households
1,514
Value Percent YoY change
Non-family households 501 24.9% 8.2%
Family households 1,514 75.1% -0.7%
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 Buffalo

The housing landscape of Buffalo

Buffalo's housing consists of 2,096 units, with 87.3% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 3.9% 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 8.1% of the housing landscape.

Housing units
2,096
2.1% year-over-year change
Housing types
Value Percent
1 unit, detached 1,828 87.3%
1 unit, attached 82 3.9%
50 or more units 15 0.7%
Mobile home 170 8.1%
Homes built since 2020
34
183.3% year-over-year change

The age of buildings in Buffalo

In Buffalo, the median construction year is 1981. About 12.4% of homes were built before the 1940s, with another 6.2% going up by 1949. Most development happened in the second half of the 20th century. Then, 15.1% of homes were added from 2000 to 2009, 9.4% between 2010 and 2019, and 1.6% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 259 12.4% -0.4%
Built between 1940 and 1949 129 6.2% 15.2%
Built between 1950 and 1959 213 10.2% 10.4%
Built between 1960 and 1969 226 10.8% 0.9%
Built between 1970 and 1979 182 8.7% -28.4%
Built between 1980 and 1989 270 12.9% 0.0%
Built between 1990 and 1999 270 12.9% 9.3%
Built between 2000 and 2009 316 15.1% 7.1%
Built between 2010 and 2019 198 9.4% 6.5%
Built in 2020 or later 34 1.6% 183.3%
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.

Buffalo occupancy rates

Out of the 2,015 occupied housing units in Buffalo, 92.1% are owner-occupied, while 7.9% are lived in by tenants. Meanwhile, 3.9% of all homes on the local market sit vacant.

Occupied housing units
2,015
1.4% year-over-year change
Occupancy breakdown
Renter occupied
159
Owner occupied
1,856
Value Percent YoY
change
Renter occupied 159 7.9% -7.6%
Owner occupied 1,856 92.1% 2.2%
Unoccupied housing units
3.9%
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.

Buffalo housing costs

Housing costs in Buffalo come to a median of $1,066 per month, while tenants specifically pay a median gross rent of $1,123.

Median housing costs per month
$1,066/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 Buffalo
$1,123/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 Buffalo

Buffalo education at a glance

About 39.9% of the population in Buffalo went to high school, while 16.2% pursued college studies. Another 7.3% earned an associate degree and 21.2% hold a bachelor’s. Meanwhile, 13.5% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 77 1.9% -11.5%
High school diploma 1,617 39.9% -2.7%
College diploma 657 16.2% 22.4%
Associate degree 297 7.3% -11.3%
Bachelor's degree 859 21.2% 0.5%
Graduate degree 549 13.5% 3.8%
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 Buffalo

How much people earn in Buffalo

The average annual household income in Buffalo was $116,127 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +6.5% change from the previous year. At the same time, the median income stood at $90,950, reflecting a +2.1% shift over the same period.

Average household income in Buffalo
$116,127/year
6.5% year-over-year change
Median household income in Buffalo
$90,950/year
2.1% year-over-year change

Buffalo income by age

In Buffalo, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $135,643. Those with someone between 45 and 64 in charge, often well established professionally, earn $128,929 overall. Overall, 94.8% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $135,643 0.4%
45 - 64 $128,929 6.1%
Over 65 $68,594 4.3%
Above poverty level
4,791
Below poverty level
265
Value Percent YoY
change
Above poverty level 4,791 94.8% 0.6%
Below poverty level 265 5.2% 23.3%

Employment in Buffalo

Workforce and job types in Buffalo

76.9% of the working population are employed in professional or administrative positions, while 23.1% are in hands-on or service-based jobs. Also, 10.1% run their own businesses, 62.3% are employed by private companies, and 10% work in the public sector.

Workforce demographics

White collar
1,791
Blue collar
538
Value Percent YoY change
White collar 1,791 76.9% 0.5%
Blue collar 538 23.1% -1.1%
Employer type
Self employees
10.1%
Private companies
62.3%
Governmental workers
10%
Not for profit companies
17.6%
Value Percent YoY change
Self employees 235 10.1% -15.8%
Private companies 1,450 62.3% 6.5%
Governmental workers 233 10% -1.7%
Not for profit companies 410 17.6% -8.5%

Transportation in Buffalo

How people get around in Buffalo

Commuting methods vary: 98.9% of residents travel by personal vehicle and 0.8% 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 1,969 98.9% 1.6%
Bus or trolleybus 1 0% 0.0%
Motorcycle 5 0.2% 0.0%
Walk 15 0.8% -76.2%
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 Buffalo by zipcode?

Zipcode Population Number of households Median income Average income
16055 8,993 3,535 $90,950 $126,516

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FAQs about Buffalo demographics 

What is the total population of Buffalo?

Buffalo has a total population of 5,125 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 +1.6% compared to a year ago.

What is the gender ratio in Buffalo?

The gender ratio in Buffalo is as follows:
  • 51.1% males (2,617 residents)
  • 49% females (2,509 residents)

What is the median age in Buffalo?

The median age in Buffalo is 50.1.

What is the age distribution of the population in Buffalo?

The age distribution in Buffalo is as follows:
  • Under 15: 16.2% (830 residents)
  • Ages 15-24: 9.9% (507 residents)
  • Ages 25-44: 18.4% (940 residents)
  • Ages 45-64: 28.4% (1,453 residents)
  • Over 65: 27.2% (1,394 residents)

What is the racial and ethnic makeup of Buffalo?

The racial and ethnic makeup of Buffalo is as follows:
  • White: 94.2% (4,828 residents)
  • Black or African American: 0% (1 residents)
  • American Indian and Alaska Native: 0% ( residents)
  • Asian: 1% (54 residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 4.7% (242 residents)
  • Other: 0% (1 residents)

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

U.S.-born citizens represent 97.7% of the population in Buffalo.

How many housing units are there in Buffalo?

There are 2,096 housing units in Buffalo, reflecting a +2.1% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Buffalo has a total of 2,015 households, with an average of 2 people in each.

What is the median household income in Buffalo?

Buffalo has a median household income of $90,950, representing a +2.1% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Buffalo?

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

Job types:
  • White-collar workers: 76.9% (1,791 residents)
  • Blue-collar workers: 23.1% (538 residents)

Places of employment:
  • Self-employed: 10.1% (235 residents)
  • Private companies: 62.3% (1,450 residents)
  • Governmental workers: 10% (233 residents)
  • Not-for-profit companies: 17.6% (410 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