ZIP code · Washburn · Illinois · United States
ZIP code 61570 — Washburn
ZIP code 61570 serves Washburn, Illinois.
- Postal code
- 61570Single source Value from one source, not cross-checked.
- City
- Washburn
- County
- Marshall FIPS 17123
- State
- Illinois
- Country
- United States
- Coordinates
- 40.9141, -89.2830 — precision precise (locality)
View on OpenStreetMap - Population
- 1,620 (ZCTA, ACS 5-year)
- Population density
- 23 / sq mi
- Land area
- 69 sq mi (178.8 km²) (ZCTA, ACS 5-year)
- Median household income
- $76,691
- Per-capita income
- $36,053
- Median age
- 43.5
- Households
- 671
- Housing units
- 738
- Median home value
- $110,000
- Median gross rent
- $876 / month
- Congressional district
- IL-16 (119th Congress)
- USDA hardiness zone
- 5b (-15 to -10 °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)
- Area code
- 309Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 61570 with another ZIP · ZIPs within 25 miles · distance from 61570
Map of ZIP code 61570
Climate — monthly normals
Warmest month Jul (avg high 87°F), coldest Jan (avg low 18°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 34 | 38 | 51 | 65 | 75 | 84 | 87 | 86 | 80 | 67 | 51 | 38 |
| Avg low °F | 18 | 22 | 31 | 41 | 52 | 61 | 65 | 63 | 55 | 44 | 33 | 23 |
| Precip in | 2.1 | 2.1 | 2.6 | 4.0 | 4.8 | 4.3 | 4.0 | 3.3 | 3.3 | 3.2 | 2.6 | 2.2 |
NOAA 1991–2020 climate normals from the nearest station: LACON (10.0 mi) · NOAA NCEI
Places in ZIP 61570
- 2 schools
- 2 parks
- 1 playgrounds
- 1 libraries
- 1 post offices
- 1 places of worship
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