Buffalo, IL ZIP Codes

One ZIP code serves Buffalo, Illinois: 62515. Together they are home to 902 residents in 398 households. That is more than the 482 people counted inside Buffalo village limits, because these ZIP codes reach past its boundary.

Buffalo village limits (Census)

MeasureCensus figure
Residents482
Households197
Median household income$56,250
Median home value$112,100
Median age45.9
Median rent$533

All 1 ZIP codes together

MeasureValue
Residents (sum of ZIP codes)902
Households (sum of ZIP codes)398
Median household income, range across ZIP codes$62,222 (62515) to $62,222 (62515)
Household-weighted average of ZIP medians (an approximation, not a true median)$62,222
Homeowners79.9%
Households with kids under 1816.8%
Moved in the past year4.5%
Carrier routes in EDDM2GO's route librarynot loaded yet

Every ZIP code in Buffalo

ZIPMailing cityResidentsHouseholdsMedian incomeHome valueHomeownersWith kidsNew moversCarrier routesMailboxesWhy listed
62515Buffalo902398$62,222$143,70079.9%16.8%4.5%——1% of its land; mailing city

A ZIP code is listed for Buffalo when at least 10% of its land lies inside Buffalo village limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Buffalo. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Buffalo.

Counties

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EDDM guides

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Frequently asked questions

What ZIP codes are in Buffalo, IL?
62515. A ZIP code is listed for Buffalo when at least 10% of its land lies inside Buffalo village limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Buffalo.
What is the population of Buffalo, IL?
The Census Bureau counts 482 residents inside Buffalo village limits (ACS 2020–2024). The 1 ZIP code that serve Buffalo hold 902 residents in all.
What is the median household income in Buffalo, IL?
$56,250 inside Buffalo village limits, per the Census Bureau. Across its ZIP codes the medians run from $62,222 to $62,222.

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.