ZIP code · Saint Marys · Iowa · United States

ZIP code 50241 — Saint Marys

ZIP code 50241 serves Saint Marys, Iowa.

Postal code
50241
Single source Value from one source, not cross-checked.
City
Saint Marys
County
Warren FIPS 19181
State
Iowa
Country
United States
Coordinates
41.3084, -93.7369 — precision precise (locality)
View on OpenStreetMap
Population
112 (ZCTA, ACS 5-year)
Population density
806 / sq mi
Land area
0.1 sq mi (0.4 km²) (ZCTA, ACS 5-year)
Median household income
$78,750
Per-capita income
$45,503
Median age
53.5
Households
52
Housing units
52
Median home value
$168,800
Median gross rent
$1,300 / month
Congressional district
IA-1 (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
641
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 86°F), coldest Jan (avg low 12°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F323650627281868478655037
Avg low °F121527385060646252402817
Precip in0.91.41.93.95.65.74.33.93.93.01.91.4

NOAA 1991–2020 climate normals from the nearest station: INDIANOLA 2W (6.1 mi) · NOAA NCEI

Places in ZIP 50241

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