ZIP code · Fieldon · Illinois · United States

ZIP code 62031 — Fieldon

ZIP code 62031 serves Fieldon, Illinois.

Postal code
62031
Single source Value from one source, not cross-checked.
City
Fieldon
County
Jersey FIPS 17083
State
Illinois
Country
United States
Coordinates
39.1086, -90.5297 — precision precise (locality)
View on OpenStreetMap
Population
637 (ZCTA, ACS 5-year)
Population density
11 / sq mi
Land area
59.9 sq mi (155 km²) (ZCTA, ACS 5-year)
Median household income
$91,250
Per-capita income
$42,104
Median age
52
Households
242
Housing units
500
Median home value
$127,700
Congressional district
IL-15 (119th Congress)
USDA hardiness zone
6b (-5 to 0 °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
618
Telephone 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.

Climate — monthly normals

Warmest month Jul (avg high 87°F), coldest Jan (avg low 19°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F364253657483878579675341
Avg low °F192332425463666355433324
Precip in2.52.33.24.55.34.13.63.73.43.33.72.6

NOAA 1991–2020 climate normals from the nearest station: JERSEYVILLE 2 SW (10.0 mi) · NOAA NCEI

Places in ZIP 62031

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