ZIP codes
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Buffalo, IL Demographics & ZIP Codes
Buffalo, Illinois demographics and median household income by ZIP code (in Sangamon County) — 1 ZIP codes — population 1,005 — median income $96,250 — avg. home value $153,600. Compare income, housing, and population across ZIP codes on US5.
Population
1,005
Median household income (avg.)
$96,250
128% of U.S. median
Average home value
$153,600
44% of U.S. median
Average rent
$480
41% of U.S. median
Median age (avg.)
55.3
Buffalo demographics
Buffalo, Illinois covers 1 ZIP code primarily in Sangamon County, with a combined ZIP-area population of about 1,005.
Across ZIP codes with age data, the average median age is about 55.3 years.
Median household income in Buffalo
The average median household income across ZIP codes in Buffalo, Illinois is about $96,250 — about 23% above the IL ZIP average ($78,143), and about 28% above the U.S. median ($75,149).
The highest median household income among listed ZIPs is about $96,250 in 62515.
Housing in Buffalo
For housing in Buffalo, Illinois, the average median home value is about $153,600 and the average median rent is about $480.
The most populous ZIP in this set is 62515 (about 1,005 residents). Use the table below to compare population, income, and home values across codes.
ZIP codes in Buffalo
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 62515 | Buffalo | Sangamon County | IL | 1,005 | $96,250 | $153,600 |
Frequently asked questions
What are the demographics of Buffalo?
Buffalo, Illinois has a combined ZIP-area population of about 1,005 across 1 ZIP codes (primarily Sangamon County). Browse the ZIP table below for population, income, and housing by code.
What is the median household income in Buffalo?
The average median household income across ZIP codes in Buffalo, Illinois is about $96,250, about 23% above the state ZIP average ($78,143), and about 28% above the U.S. median ($75,149). Average median home value is about $153,600.
How many ZIP codes are in Buffalo?
Buffalo, Illinois includes 1 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Buffalo?
This page lists ZIP codes in Buffalo, Illinois with population, median household income, and home value. Select a ZIP for a full demographics profile.