ZIP code · Calmar · Iowa · United States

ZIP code 52132 — Calmar

ZIP code 52132 serves Calmar, Iowa.

Postal code
52132
Single source Value from one source, not cross-checked.
City
Calmar
County
Winneshiek FIPS 19191
State
Iowa
Country
United States
Coordinates
43.1974, -91.9126 — precision precise (locality)
View on OpenStreetMap
Population
1,856 (ZCTA, ACS 5-year)
Population density
30 / sq mi
Land area
61.8 sq mi (160 km²) (ZCTA, ACS 5-year)
Median household income
$97,621
Per-capita income
$42,483
Median age
37.2
Households
764
Housing units
848
Median home value
$225,700
Median gross rent
$743 / month
Congressional district
IA-2 (119th Congress)
USDA hardiness zone
5a (-20 to -15 °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
563
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 10°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F283346617381848376634733
Avg low °F101426374859636152402817
Precip in1.01.12.04.04.96.14.44.43.62.72.01.3

NOAA 1991–2020 climate normals from the nearest station: DECORAH (9.4 mi) · NOAA NCEI

Places in ZIP 52132

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