ZIP code · Havelock · Iowa · United States
ZIP code 50546 — Havelock
ZIP code 50546 serves Havelock, Iowa.
- Postal code
- 50546Single source Value from one source, not cross-checked.
- City
- Havelock
- County
- Pocahontas FIPS 19151
- State
- Iowa
- Country
- United States
- Coordinates
- 42.8411, -94.7252 — precision precise (locality)
View on OpenStreetMap - Population
- 364 (ZCTA, ACS 5-year)
- Population density
- 7 / sq mi
- Land area
- 53.2 sq mi (137.7 km²) (ZCTA, ACS 5-year)
- Median household income
- $71,250
- Per-capita income
- $39,919
- Median age
- 43
- Households
- 155
- Housing units
- 182
- Median gross rent
- $563 / month
- Congressional district
- 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
- 712Telephone 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 50546 with another ZIP · ZIPs within 25 miles · distance from 50546
Map of ZIP code 50546
Climate — monthly normals
Warmest month Jul (avg high 84°F), coldest Jan (avg low 8°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 26 | 30 | 44 | 59 | 71 | 81 | 84 | 82 | 76 | 62 | 45 | 31 |
| Avg low °F | 8 | 12 | 24 | 36 | 49 | 59 | 62 | 60 | 50 | 38 | 25 | 14 |
| Precip in | 1.0 | 1.0 | 2.0 | 3.4 | 4.6 | 4.7 | 4.0 | 4.3 | 2.6 | 2.3 | 1.6 | 1.2 |
NOAA 1991–2020 climate normals from the nearest station: POCAHONTAS (8.4 mi) · NOAA NCEI
Places in ZIP 50546
- 1 libraries
- 1 post offices
- 1 places of worship
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