ZIP code · Conrad · Iowa · United States
ZIP code 50621 — Conrad
ZIP code 50621 serves Conrad, Iowa.
- Postal code
- 50621Single source Value from one source, not cross-checked.
- City
- Conrad
- County
- Grundy FIPS 19075
- State
- Iowa
- Country
- United States
- Coordinates
- 42.2342, -92.8865 — precision precise (locality)
View on OpenStreetMap - Population
- 1,591 (ZCTA, ACS 5-year)
- Population density
- 25 / sq mi
- Land area
- 62.9 sq mi (162.9 km²) (ZCTA, ACS 5-year)
- Median household income
- $86,146
- Per-capita income
- $44,421
- Median age
- 50.8
- Households
- 653
- Housing units
- 750
- Median home value
- $185,300
- Median gross rent
- $944 / month
- Congressional districts
- IA-2 (also IA-4) (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
- 641Telephone 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 50621 with another ZIP · ZIPs within 25 miles · distance from 50621
Map of ZIP code 50621
Climate — monthly normals
Warmest month Jul (avg high 83°F), coldest Jan (avg low 10°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 28 | 32 | 46 | 60 | 71 | 81 | 83 | 81 | 75 | 62 | 46 | 33 |
| Avg low °F | 10 | 14 | 26 | 37 | 49 | 59 | 62 | 60 | 51 | 39 | 26 | 16 |
| Precip in | 0.8 | 0.5 | 1.6 | 3.7 | 4.9 | 5.3 | 3.7 | 3.9 | 3.2 | 2.5 | 1.7 | 1.0 |
NOAA 1991–2020 climate normals from the nearest station: MARSHALLTOWN MUNI AP (8.5 mi) · NOAA NCEI
Places in ZIP 50621
- 2 schools
- 1 hospitals & clinics
- 1 pharmacies
- 1 parks
- 1 playgrounds
- 1 libraries
- 1 post offices
- 3 places of worship
- 1 police & fire stations
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