City

Buffalo, IL

1 ZIP code  ·  Sangamon County  ·  Illinois

👥1,005Population
💰$96,250Median HH Income▲ 26% above avg
🎂55.3Median Age
🏠$153,600Median Home Value▼ 45% below avg
🎓46.3%College Grads▲ 20% above avg
📊1.2%Unemployment▼ 76% below avg
People & Population (ACS 2023 — weighted avg)
♂ Male 51.5% Female 48.5% ♀

Race & Ethnicity

White: 95%Hispanic: 0.6%Asian: 0.2%Other: 4.2%Race
White95.0%
Hispanic0.6%
Asian0.2%
Other4.2%

Age Breakdown

Under 5
1%
5–17
16%
18–24
2%
25–44
14%
45–64
32%
65+
23%

Key Indicators

Median Age55.3 yrs
Avg HH Size2.34
Below Poverty14.1% ▲ 41% above avg
College Grads46.3% ▲ 20% above avg
Unemployment1.2% ▼ 76% below avg
No HS Diploma3 (0.4%)
HS Graduate191 (24.3%)
Some College135 (17.2%)
Associates93 (11.8%)
Bachelors61 (7.8%)
Graduate Degree303 (38.5%)

Education

No HS: 0.4%HS Grad: 24.3%Some College: 17.2%Associates: 11.8%Bachelors: 7.8%Graduate: 38.5%Edu
No HS0.4%
HS Grad24.3%
Some College17.2%
Associates11.8%
Bachelors7.8%
Graduate38.5%
Housing & Income

Housing Tenure

Owner: 77.4%Renter: 22.6%Tenure
Owner77.4%
Renter22.6%

Home Value Distribution

Under $50k
3%
$50k–$100k
9%
$100k–$150k
37%
$150k–$200k
10%
$200k–$300k
23%
$300k–$500k
17%

Financials

Median HH Income$96,250 ▲ 26% above avg
Median Home Value$153,600 ▼ 45% below avg
Home/Income Ratio1.6x (nat avg ~3.5x)
Median Rent$575/mo
Total Housing Units455
Vacant Units26

Income Distribution

Under $25k
22%
$25k–$50k
8%
$50k–$75k
14%
$75k–$100k
8%
$100k–$150k
27%
$150k–$200k
15%
Over $200k
4%
Employment & Commute

How People Get to Work

Drove Alone
71%
Walked
2%
Work From Home
28%

Commute Time

Under 15 min
25%
15–30 min
38%
30–45 min
35%
Over 45 min
2%
Housing Stock

Year Built

Before 1940
5%
1940s–1950s
6%
1960s–1970s
20%
1980s–1990s
9%
2000+
60%
About Buffalo, IL

Buffalo is a city in Illinois, located in Sangamon County. The city spans 1 ZIP code and is home to approximately 1,005 residents. It is an older city, with a median age of 55.3 years.

Economically, Buffalo is a middle-income community. The median household income of $96,250 is above the national average. Approximately 14.1% of residents live below the poverty line. The unemployment rate is 1.2%, well below the national average.

The real estate market in Buffalo is an affordable housing market. Median home values stand at $153,600, which is below the national average. Renters typically pay around $575 per month. Homeownership is high at 77.4%, typical of suburban and family-oriented communities.

The population of Buffalo is well-educated. 46.3% of adults hold a bachelor's degree or higher — above the national average. The community is primarily White (95.02%).

Buffalo, IL offers residents above-average earning potential within Illinois.

ZIP Codes in Buffalo
ZIPPopulationMedian IncomeMedian HomeMedian RentUnemp.CollegeOwner Occ.
62515 1,005 $96,250 $153,600 $575 1.2% 46.3% 77.4%