ZIP code · Garden Grove · Iowa · United States

ZIP code 50103 — Garden Grove

ZIP code 50103 serves Garden Grove, Iowa.

Postal code
50103
Single source Value from one source, not cross-checked.
City
Garden Grove
County
Decatur FIPS 19053
State
Iowa
Country
United States
Coordinates
40.7711, -93.6117 — precision precise (locality)
View on OpenStreetMap
Population
398 (ZCTA, ACS 5-year)
Population density
7 / sq mi
Land area
59.2 sq mi (153.3 km²) (ZCTA, ACS 5-year)
Median household income
$62,500
Per-capita income
$28,349
Median age
41.4
Households
170
Housing units
187
Median home value
$90,000
Median gross rent
$650 / month
Congressional district
IA-3 (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 13°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F333850637281868476645038
Avg low °F131627374859636150392818
Precip in0.91.52.33.85.55.64.44.54.23.22.11.4

NOAA 1991–2020 climate normals from the nearest station: LEON 6 ESE (3.7 mi) · NOAA NCEI

Places in ZIP 50103

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