ZIP code · Smithfield · Illinois · United States
ZIP code 61477 — Smithfield
ZIP code 61477 serves Smithfield, Illinois.
- Postal code
- 61477Single source Value from one source, not cross-checked.
- City
- Smithfield
- County
- Fulton FIPS 17057
- State
- Illinois
- Country
- United States
- Coordinates
- 40.4855, -90.2856 — precision precise (locality)
View on OpenStreetMap - Population
- 503 (ZCTA, ACS 5-year)
- Population density
- 10 / sq mi
- Land area
- 50.8 sq mi (131.6 km²) (ZCTA, ACS 5-year)
- Median household income
- $60,227
- Per-capita income
- $28,566
- Median age
- 48.3
- Households
- 200
- Housing units
- 229
- Median home value
- $109,200
- Congressional districts
- IL-17 (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)
- 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 61477 with another ZIP · ZIPs within 25 miles · distance from 61477
Map of ZIP code 61477
Climate — monthly normals
Warmest month Jul (avg high 86°F), coldest Jan (avg low 16°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 33 | 38 | 51 | 64 | 74 | 82 | 86 | 84 | 78 | 66 | 50 | 38 |
| Avg low °F | 16 | 19 | 29 | 40 | 52 | 62 | 64 | 63 | 55 | 43 | 31 | 22 |
| Precip in | 1.9 | 1.9 | 2.7 | 3.8 | 5.0 | 4.8 | 4.1 | 3.2 | 3.8 | 3.0 | 2.4 | 1.8 |
NOAA 1991–2020 climate normals from the nearest station: PRAIRIE CITY 2S (11.9 mi) · NOAA NCEI
Places in ZIP 61477
- 1 parks
- 1 playgrounds
- 4 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