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CITY · 2020 ACS

Buffalo

Illinois · 447 residents · 0.345 sq mi
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The short version

Buffalo has lower-than-average household income, with a median household income of $52,750. Population has declined 9% since 2000. Median home value is $89,700.

At a glance
Lower income
below the US median
US median: $66,278
Mid-age
median age 39.5
US median: 38.8
Less educated
28% hold a bachelor's degree
US average: 33%
More affordable
home values down 12%, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
447
−9%since 2000
from 491 in 2000
1990 – 2025
Population density
1,296 / sq mi
−9%since 2000
from 1,423 / sq mi in 2000
US average: 280
Median age
39.5
+9%since 2000
from 36.4 in 2000
US average: 38.8
Population, 1990 – 2024
3404004605205801990201020202024Buffalo
2024482
1990201020202024
Section 02

Income & economy

Median household income
$52,750
−3%inflation adjusted, since 2000
from $36,250 in 2000
US average: $66,278
1990 – 2024
Per capita income
$30,388
+55%since 2000
from $19,637 in 2000
US average: $35,364
Households earning $100K+
36.6%
+11.2 ptssince 2009
from 25.4% in 2009
US average: 43.9%
Poverty rate
11.0%
+0.3 ptssince 2000
from 10.8% in 2000
US average: 12.8%
Workforce by industry, 2020
Information15.4%
US avg: 11.1%
Wholesale trade10.4%
US avg: 6.7%
Finance & insurance7.1%
US avg: 5.5%
Professional, scientific, technical4.4%
US avg: 4.7%
Other services4.4%
US avg: 6.6%
Transportation & warehousing3.3%
US avg: 2.5%
Education & health services2.7%
US avg: 0.8%
Agriculture, forestry, fishing1.6%
US avg: 1.7%
Construction1.6%
US avg: 1.2%
Public administration1.6%
US avg: 4.7%
Retail trade1.1%
US avg: 10%
Manufacturing0%
US avg: 0.5%
Arts, entertainment, food0%
US avg: 2%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$89,700
−12%inflation adjusted, since 2000
from $67,500 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$905
+129%inflation adjusted, since 2000
from $263 in 2000
US average: $1,124
Owner-occupied
74.3%
Unchangedsince 2000
from 74.4% in 2000
25.7% rent
Afford Score
1.7
−9%since 2000
from 1.9 in 2000
1990 – 2024
RELATED:See current rent listings in Buffalo on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic96.3%(473)
Black0%(0)
Hispanic / Latino1.2%(6)
Asian0.2%(1)
Other0%
Diversity Score3.6%(18)
2020
White, non-Hispanic93.3%(417)
Black0.4%(2)
Hispanic / Latino0.9%(4)
Asian0.4%(2)
Other5.8%(26)
Diversity Score17.7%(79)
Diversity Score
18
+391%since 2000
from 4 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
27.8%
+15.6 ptssince 2000
from 12.2% in 2000
US average: 32.9%
High school or higher
88.3%
+2.4 ptssince 2000
from 85.9% in 2000
US average: 88.5%
Graduate degree
6.9%
+1.9 ptssince 2000
from 5.0% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
23.7 min
+39%since 2000
from 17.1 min in 2000
US average: 26.9
Drive alone to work
80.8%
−9.3 ptssince 2009
from 90.1% in 2009
US average: 75.1%
No vehicle available
4.6%
−7.3 ptssince 2009
from 11.8% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
4.2%
+1.1 ptssince 2011
from 3.1% in 2011
US average: 5.4%
Labor force participation
66.0%
+7.1 ptssince 2011
from 58.9% in 2011
US average: 63.4%
Management & professional
40.7%
−5.9 ptssince 2009
from 46.6% in 2009
US average: 39.3%
Section 08

People & community

Male
51.9%
+5.9 ptssince 2009
from 45.9% in 2009
Female
48.1%
−5.9 ptssince 2009
from 54.1% in 2009
Foreign born
8.1%
+8.1 ptssince 2009
from 0.0% in 2009
US average: 13.5%
Uninsured
2.0%
−91.2 ptssince 2013
from 93.2% in 2013
US average: 8.8%
Drill deeper

Places similar to Buffalo

Hastings
Pop 432
Everglades
Pop 399
Sopchoppy
Pop 487
Hickox
Pop 520
Places similar to Buffalo
Head to head

Compare Buffalo to nearby cities

BUFFALO VS
Springfield
Income$66,064+25%
Home value$162,100+81%
Population112,989+25756%
SEE FULL COMPARISON →
BUFFALO VS
Chatham
Income$106,773+102%
Home value$243,200+171%
Population14,579+3236%
SEE FULL COMPARISON →
BUFFALO VS
Taylorville
Income$57,552+9%
Home value$104,100+16%
Population10,522+2308%
SEE FULL COMPARISON →
BUFFALO VS
Lincoln
Income$57,340+9%
Home value$124,300+39%
Population12,981+2870%
SEE FULL COMPARISON →
Frequently asked

How many people live in Buffalo, Illinois?

Buffalo, Illinois has about 447 residents according to the 2020 American Community Survey.

What is the median household income in Buffalo, Illinois?

The typical household in Buffalo, Illinois earns about $52,750 a year. Half of households make more than that, and half make less.

Is Buffalo, Illinois expensive?

In Buffalo, Illinois, the median home is worth about $89,700, and the typical rent is about $905 a month.

How educated are people in Buffalo, Illinois?

About 27.8% of adults age 25 and over in Buffalo, Illinois hold a bachelor's degree or higher.

What is the poverty rate in Buffalo, Illinois?

About 11.0% of people in Buffalo, Illinois live below the federal poverty line.

Has Buffalo, Illinois grown since 1990?

Yes, Buffalo, Illinois has shrunk since 1990. The population has lost about 74 residents, a change of about -14 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →