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Buffalo, IL
Village in Sangamon County, Illinois.
Population
482
Land area
0.3sq mi
People per sq mi
1,397
ZIP codes
0
Buffalo and its ZIP codes
Buffalo at a glance
- Buffalo is about 6.1 times as dense as Illinois as a whole.
Local data for Buffalo, IL
Counts from official public data
Economy and federal money
Jobs, pay, income and spending are for Sangamon County. PPP loans are for Buffalo.
Unemployment rate
3.8%
Aug 2026, -0.9 pts in a year
Average annual pay
$72,668
130,936 jobs, 2025
Income per person
$63,581
BEA, 2024
Federal spending
$3.3B
FY 2026, $16,718 per person
Environment and hazard risk
Buffalo, IL, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Moderate
Top: tornado
Storm events since 1996
947
Countywide, mostly thunderstorm wind
Flood insurance policies
167
0.2% of homes, county
July high / Jan low
87° / 20°F
38.0 inches of rain a year
Health statistics
Share of adults in Buffalo, IL, CDC PLACES estimates
Obesity
38.7%
U.S. 33.3% +5.4 pts
Diabetes
10.6%
U.S. 12.1% -1.5 pts
Smoking
13.6%
U.S. 12.8% +0.8 pts
Uninsured (18-64)
6.3%
U.S. 11.1% -4.8 pts
Cities near Buffalo
| Name | Distance | Land area (sq mi) |
|---|---|---|
| DawsonVillage | 2.7 mi | 0.8 |
| MechanicsburgVillage | 3.1 mi | 1 |
| CornlandCensus-designated place | 6.1 mi | 0.1 |
| RivertonVillage | 6.7 mi | 3.2 |
| SpauldingVillage | 7.1 mi | 0.8 |
| IlliopolisVillage | 7.9 mi | 0.7 |
| RochesterVillage | 9.6 mi | 2.7 |
| Mount AuburnVillage | 9.8 mi | 1 |
| WilliamsvilleVillage | 9.9 mi | 1.5 |
| ShermanVillage | 11 mi | 3.1 |
| GrandviewVillage | 11 mi | 0.3 |
| ElkhartVillage | 12 mi | 1.9 |
| NianticVillage | 13 mi | 1 |
| Mount PulaskiCity | 13 mi | 1.1 |
| EdinburgVillage | 13 mi | 0.6 |
| Southern ViewVillage | 15 mi | 0.7 |
Frequently asked questions
- What county is Buffalo, IL in?
- Buffalo is in Sangamon County, Illinois.
- What is the population of Buffalo, IL?
- About 482 people live in Buffalo, based on American Community Survey 5-year estimates.
- What cities are near Buffalo?
- Nearby places include Dawson (2.7 mi), Mechanicsburg (3.1 mi), Cornland (6.1 mi), Riverton (6.7 mi), Spaulding (7.1 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023