ZIP code · Millcreek · Illinois · United States

ZIP code 62961 — Millcreek

ZIP code 62961 serves Millcreek, Illinois.

Postal code
62961
Single source Value from one source, not cross-checked.
City
Millcreek
County
Union FIPS 17181
State
Illinois
Country
United States
Coordinates
37.3409, -89.2542 — precision estimated (postal-area centroid)
View on OpenStreetMap
Population
32 (ZCTA, ACS 5-year)
Population density
93 / sq mi
Land area
0.3 sq mi (0.9 km²) (ZCTA, ACS 5-year)
Median household income
$107,500
Per-capita income
$34,413
Median age
45.8
Households
12
Housing units
12
Congressional district
IL-12 (119th Congress)
USDA hardiness zone
7a (0 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
618 (from the nearest rate centre)
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 90°F), coldest Jan (avg low 25°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F455061717987908984735948
Avg low °F252937465665696759483730
Precip in3.53.44.85.65.95.03.73.13.53.94.54.1

NOAA 1991–2020 climate normals from the nearest station: ANNA 2 NNE (9.8 mi) · NOAA NCEI

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