Buffalo, IL demographics:
population, income, and more

Total population
482
19.0% year-over-year change
Median household income
$56,250/yr
-16.4% year-over-year change
Housing units
219
11.2% year-over-year change

Buffalo population

How many people live in Buffalo

Buffalo is home to 482 residents, according to the most recent Census data. Gender-wise, 47.9% of Buffalo locals are male, and 52.1% are female.

Total population
482
19.0% year-over-year change
Gender ratio
Male
47.9%
231
Female
52.1%
251
Value Percent YoY change
Male 231 47.9% 19.1%
Female 251 52.1% 19.0%
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 Buffalo is 46, with the population distributed as follows: about 16.8% are children under 15, then 11.8% are in the 15 to 24 age group. Adults between 25 and 44 make up 20.1% of the population, while another 28% fall into the 45 to 64 bracket. Finally, around 23.2% are 65 or older.

Median age
45.9
Age breakdown
Under 15
16.8%
15 to 24
11.8%
25 to 44
20.1%
45 to 64
28%
Over 65
23.2%
Value Percent YoY change
Under 15 81 16.8% 50.0%
15 to 24 57 11.8% 7.5%
25 to 44 97 20.1% 40.6%
45 to 64 135 28% 4.7%
Over 65 112 23.2% 12.0%
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 Buffalo, 91.5% of the population are US-born citizens, while 3.1% have gained naturalized citizenship. At the same time, 5.4% of residents are non-citizens. There’s also a share of 12.7% that includes residents with two or more races.

Citizenship
U.S.-born citizens
91.5%
Non-U.S.-born citizens
3.1%
Non-citizens
5.4%
Value Percent YoY change
U.S.-born citizens 441 91.5% 20.5%
Non-U.S.-born citizens 15 3.1% 15.4%
Non-citizens 26 5.4% 0.0%
Racial breakdown
White
87.1%
Black or African American
0%
American Indian and Alaska Native
0%
Asian
0.2%
Native Hawaiian and other Pacific Islander
0%
Two or more races
12.7%
Other
0%
Value Percent
White 420 87.1%
Asian 1 0.2%
Two or more races 61 12.7%

Households in Buffalo

A peek inside Buffalo households

Buffalo has 197 households, with an average of 2 members in each. Of these, 66.5% are families, while the remaining 33.5% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
197
15.2% year-over-year change
Average people per household
2
Non-family households
66
Family households
131
Value Percent YoY change
Non-family households 66 33.5% 10.0%
Family households 131 66.5% 18.0%
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 Buffalo

The housing landscape of Buffalo

Buffalo's housing consists of 219 units, with 68.5% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 2.3% 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 14.6% of the housing landscape.

Housing units
219
11.2% year-over-year change
Housing types
Value Percent
1 unit, detached 150 68.5%
1 unit, attached 5 2.3%
5 to 9 units 8 3.6%
10 to 19 units 24 11%
Mobile home 32 14.6%
Homes built since 2020
0
% year-over-year change

The age of buildings in Buffalo

In Buffalo, the median construction year is 1964. About 17.8% of homes were built before the 1940s, with another 15.1% 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 39 17.8% 21.9%
Built between 1940 and 1949 33 15.1% 17.9%
Built between 1950 and 1959 29 13.2% 11.5%
Built between 1960 and 1969 22 10% 29.4%
Built between 1970 and 1979 33 15.1% 22.2%
Built between 1980 and 1989 24 11% -29.4%
Built between 1990 and 1999 31 14.2% 19.2%
Built between 2000 and 2009 2 0.9% 0.0%
Built between 2010 and 2019 6 2.7% 20.0%
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 197 occupied housing units in Buffalo, 69.5% are owner-occupied, while 30.5% are lived in by tenants. Meanwhile, 10% of all homes on the local market sit vacant.

Occupied housing units
197
15.2% year-over-year change
Occupancy breakdown
Renter occupied
60
Owner occupied
137
Value Percent YoY
change
Renter occupied 60 30.5% 25.0%
Owner occupied 137 69.5% 11.4%
Unoccupied housing units
10.0%
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 $872 per month, while tenants specifically pay a median gross rent of $533.

Median housing costs per month
$872/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
$533/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 49.9% of the population in Buffalo went to high school, while 17.5% pursued college studies. Another 7% earned an associate degree and 14.3% hold a bachelor’s. Meanwhile, 10.2% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 4 1.1% 33.3%
High school diploma 185 49.9% 59.5%
College diploma 65 17.5% -17.7%
Associate degree 26 7% -3.7%
Bachelor's degree 53 14.3% -5.4%
Graduate degree 38 10.2% -2.6%
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 $73,676 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -9.5% change from the previous year. At the same time, the median income stood at $56,250, reflecting a -16.4% shift over the same period.

Average household income in Buffalo
$73,676/year
-9.5% year-over-year change
Median household income in Buffalo
$56,250/year
-16.4% 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 $73,250. Those with someone between 45 and 64 in charge, often well established professionally, earn $63,750 overall. Overall, 83.4% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $73,250 -35.6%
45 - 64 $63,750 -19.1%
Over 65 $28,750 7.0%
Above poverty level
402
Below poverty level
80
Value Percent YoY
change
Above poverty level 402 83.4% 14.2%
Below poverty level 80 16.6% 50.9%

Average renter income in Buffalo

To get a better sense of what renters earn on average in Buffalo, their median household income was $35,357 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 18.1%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$35,357
Rent-to-income ratio
18.1%
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 Buffalo

Workforce and job types in Buffalo

The job market in Buffalo is powered by 199 working residents, spread across a range of industries and roles. 87.4% of the working population are employed in professional or administrative positions, while 12.6% are in hands-on or service-based jobs. Also, 6% run their own businesses, 63.8% are employed by private companies, and 24.1% work in the public sector.

Workforce demographics

Working population
199
10.6% year-over-year change
White collar
174
Blue collar
25
Value Percent YoY change
White collar 174 87.4% 9.4%
Blue collar 25 12.6% 19.1%
Employer type
Self employees
6%
Private companies
63.8%
Governmental workers
24.1%
Not for profit companies
6%
Value Percent YoY change
Self employees 12 6% -25.0%
Private companies 127 63.8% 25.7%
Governmental workers 48 24.1% 2.1%
Not for profit companies 12 6% -25.0%
Unemployment rate
6.1%
160.0% year-over-year change

Available workforce

The unemployment rate in Buffalo stands at 6.1%, 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 Buffalo

How people get around in Buffalo

Commuting methods vary: 81.4% of residents travel by personal vehicle and 2.6% 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 157 81.4% 16.3%
Walk 5 2.6% -16.7%
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
62515 902 398 $62,222 $81,603

Explore more communities

FAQs about Buffalo demographics 

What is the total population of Buffalo?

Buffalo has a total population of 482 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 +19.0% compared to a year ago.

What is the gender ratio in Buffalo?

The gender ratio in Buffalo is as follows:
  • 47.9% males (231 residents)
  • 52.1% females (251 residents)

What is the median age in Buffalo?

The median age in Buffalo is 45.9.

What is the age distribution of the population in Buffalo?

The age distribution in Buffalo is as follows:
  • Under 15: 16.8% (81 residents)
  • Ages 15-24: 11.8% (57 residents)
  • Ages 25-44: 20.1% (97 residents)
  • Ages 45-64: 28% (135 residents)
  • Over 65: 23.2% (112 residents)

What is the racial and ethnic makeup of Buffalo?

The racial and ethnic makeup of Buffalo is as follows:
  • White: 87.1% (420 residents)
  • Black or African American: 0% (0 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 0.2% (1 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 12.7% (61 residents)
  • Other: 0% (0 residents)

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

U.S.-born citizens represent 91.5% of the population in Buffalo.

How many housing units are there in Buffalo?

There are 219 housing units in Buffalo, reflecting a +11.2% 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 197 households, with an average of 2 people in each.

What is the median household income in Buffalo?

Buffalo has a median household income of $56,250, representing a -16.4% shift from the previous year, according to the U.S. Census Bureau.

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

The employment rate is 93.9% in Buffalo, with a workforce of 199 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 87.4% (174 residents)
  • Blue-collar workers: 12.6% (25 residents)

Places of employment:
  • Self-employed: 6% (12 residents)
  • Private companies: 63.8% (127 residents)
  • Governmental workers: 24.1% (48 residents)
  • Not-for-profit companies: 6% (12 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