ZIP Code 62515
About Buffalo
Buffalo is a village in Mechanicsburg Township in Sangamon County, Illinois, United States. As of the 2020 census, Buffalo had a population of 447. It is part of the Springfield, Illinois Metropolitan Statistical Area.
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Area Profile
US Census (ACS 5-year · Gazetteer)
1,005
population
$96,250
median household income
18
people / sq mi
$153,600
median home value
$575
median gross rent
55.3
median age
455
housing units
429
households
57.4
land area (sq mi)