ZIP code · Mount Prospect · Illinois · United States

ZIP code 60056 — Mount Prospect

ZIP code 60056 serves Mount Prospect, Illinois.

Postal code
60056
Single source Value from one source, not cross-checked.
City
Mount Prospect
County
Cook FIPS 17031
State
Illinois
Country
United States
Coordinates
42.0624, -87.9377 — precision precise (locality)
View on OpenStreetMap
Population
55,989 (ZCTA, ACS 5-year)
Population density
5,153 / sq mi
Land area
10.9 sq mi (28.1 km²) (ZCTA, ACS 5-year)
Median household income
$104,168
Per-capita income
$47,888
Median age
41.8
Households
22,107
Housing units
23,202
Median home value
$376,300
Median gross rent
$1,456 / month
Congressional districts
IL-5 (also IL-9, IL-8, IL-3) (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
217
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 84°F), coldest Jan (avg low 18°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F323647587080848275634937
Avg low °F182130395060666556453324
Precip in1.31.31.83.33.84.03.13.73.03.12.11.6

NOAA 1991–2020 climate normals from the nearest station: CHICAGO PALWAUKEE AP (4.3 mi) · NOAA NCEI

Places in ZIP 60056

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