ZIP code · Morrison · Iowa · United States
ZIP code 50657 — Morrison
ZIP code 50657 serves Morrison, Iowa.
- Postal code
- 50657Single source Value from one source, not cross-checked.
- City
- Morrison
- County
- Grundy FIPS 19075
- State
- Iowa
- Country
- United States
- Coordinates
- 42.3433, -92.6738 — precision precise (locality)
View on OpenStreetMap - Population
- 125 (ZCTA, ACS 5-year)
- Population density
- 830 / sq mi
- Land area
- 0.2 sq mi (0.4 km²) (ZCTA, ACS 5-year)
- Median household income
- $88,750
- Per-capita income
- $31,008
- Median age
- 39.9
- Households
- 47
- Housing units
- 47
- Median home value
- $137,500
- 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
- 319 (from the nearest rate centre)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.
Tools: compare 50657 with another ZIP · ZIPs within 25 miles · distance from 50657
Map of ZIP code 50657
Climate — monthly normals
Warmest month Jul (avg high 83°F), coldest Jan (avg low 9°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 26 | 31 | 44 | 59 | 70 | 80 | 83 | 81 | 75 | 62 | 45 | 32 |
| Avg low °F | 9 | 13 | 24 | 36 | 48 | 60 | 62 | 60 | 51 | 38 | 26 | 15 |
| Precip in | 0.8 | 1.0 | 1.9 | 3.9 | 4.9 | 5.7 | 4.4 | 4.8 | 3.3 | 2.9 | 1.9 | 1.4 |
NOAA 1991–2020 climate normals from the nearest station: GRUNDY CTR (4.6 mi) · NOAA NCEI
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