ZIP code · Masonville · Iowa · United States

ZIP code 50654 — Masonville

ZIP code 50654 serves Masonville, Iowa.

Postal code
50654
Single source Value from one source, not cross-checked.
City
Masonville
County
Delaware FIPS 19055
State
Iowa
Country
United States
Coordinates
42.4794, -91.5913 — precision precise (locality)
View on OpenStreetMap
Population
335 (ZCTA, ACS 5-year)
Population density
6 / sq mi
Land area
53.3 sq mi (138 km²) (ZCTA, ACS 5-year)
Median household income
$51,620
Per-capita income
$47,227
Median age
60.6
Households
153
Housing units
189
Median home value
$176,700
Median gross rent
$1,594 / 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
712
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 82°F), coldest Jan (avg low 8°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F263144587079828074614532
Avg low °F81224354758615849372615
Precip in1.11.42.13.84.56.04.84.13.83.12.21.6

NOAA 1991–2020 climate normals from the nearest station: MANCHESTER #2 (7.1 mi) · NOAA NCEI

Places in ZIP 50654

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