ZIP code · Granville · Illinois · United States

ZIP code 61326 — Granville

ZIP code 61326 serves Granville, Illinois.

Postal code
61326
Single source Value from one source, not cross-checked.
City
Granville
County
Putnam FIPS 17155
State
Illinois
Country
United States
Coordinates
41.2642, -89.2250 — precision precise (locality)
View on OpenStreetMap
Population
2,102 (ZCTA, ACS 5-year)
Population density
44 / sq mi
Land area
47.9 sq mi (124.1 km²) (ZCTA, ACS 5-year)
Median household income
$71,071
Per-capita income
$40,500
Median age
42.1
Households
896
Housing units
981
Median home value
$137,000
Median gross rent
$778 / month
Congressional districts
IL-14 (also 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 codes
779, 815
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 86°F), coldest Jan (avg low 15°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F333750637483868579665138
Avg low °F151828385060636153423120

NOAA 1991–2020 climate normals from the nearest station: HENNEPIN WTR TRMT PLT (5.9 mi) · NOAA NCEI

Places in ZIP 61326

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