ZIP code · Putnam · Illinois · United States

ZIP code 61560 — Putnam

ZIP code 61560 serves Putnam, Illinois.

Postal code
61560
Single source Value from one source, not cross-checked.
City
Putnam
County
Putnam FIPS 17155
State
Illinois
Country
United States
Coordinates
41.1949, -89.4409 — precision precise (locality)
View on OpenStreetMap
Population
586 (ZCTA, ACS 5-year)
Population density
17 / sq mi
Land area
34.6 sq mi (89.7 km²) (ZCTA, ACS 5-year)
Median household income
$74,643
Per-capita income
$40,325
Median age
63.6
Households
324
Housing units
636
Median home value
$229,800
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
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 85°F), coldest Jan (avg low 17°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F323750647482858377655037
Avg low °F172030415161656255433222
Precip in1.91.82.53.94.84.53.93.83.53.32.62.2

NOAA 1991–2020 climate normals from the nearest station: HENNEPIN (6.8 mi) · NOAA NCEI

Places in ZIP 61560

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