ZIP code · Buffalo · Illinois · United States
ZIP code 62515 — Buffalo
ZIP code 62515 serves Buffalo, Illinois.
- Postal code
- 62515Single source Value from one source, not cross-checked.
- City
- Buffalo
- County
- Sangamon FIPS 17167
- State
- Illinois
- Country
- United States
- Coordinates
- 39.8499, -89.3879 — precision precise (locality)
View on OpenStreetMap - Population
- 1,005 (ZCTA, ACS 5-year)
- Population density
- 18 / sq mi
- Land area
- 57.4 sq mi (148.6 km²) (ZCTA, ACS 5-year)
- Median household income
- $96,250
- Per-capita income
- $41,256
- Median age
- 55.3
- Households
- 429
- Housing units
- 455
- Median home value
- $153,600
- Median gross rent
- $575 / month
- Congressional districts
- IL-13 (also IL-15) (119th Congress)
- USDA hardiness zone
- 6a (-10 to -5 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Chicago (UTC−6 / UTC−5 DST)
Tools: compare 62515 with another ZIP · ZIPs within 25 miles · distance from 62515
Map of ZIP code 62515
Climate — monthly normals
Warmest month Jul (avg high 87°F), coldest Jan (avg low 20°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 36 | 41 | 53 | 66 | 76 | 84 | 87 | 85 | 80 | 67 | 53 | 41 |
| Avg low °F | 20 | 24 | 33 | 43 | 54 | 63 | 66 | 64 | 56 | 45 | 34 | 25 |
| Precip in | 2.0 | 1.9 | 2.8 | 4.0 | 4.5 | 4.6 | 3.9 | 3.4 | 2.9 | 3.3 | 2.7 | 2.1 |
NOAA 1991–2020 climate normals from the nearest station: SPRINGFIELD CAPITAL AP (15.7 mi) · NOAA NCEI
Places in ZIP 62515
- 2 schools
- 1 parks
- 2 playgrounds
- 1 libraries
- 2 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page