ZIP code · Haverhill · Iowa · United States
ZIP code 50120 — Haverhill
ZIP code 50120 serves Haverhill, Iowa.
- Postal code
- 50120Single source Value from one source, not cross-checked.
- City
- Haverhill
- County
- Marshall FIPS 19127
- State
- Iowa
- Country
- United States
- Coordinates
- 41.9337, -92.9829 — precision precise (locality)
View on OpenStreetMap - Population
- 503 (ZCTA, ACS 5-year)
- Population density
- 30 / sq mi
- Land area
- 17 sq mi (44 km²) (ZCTA, ACS 5-year)
- Median household income
- $140,313
- Per-capita income
- $41,262
- Median age
- 51.9
- Households
- 188
- Housing units
- 189
- Median home value
- $177,700
- 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
- 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 50120 with another ZIP · ZIPs within 25 miles · distance from 50120
Map of ZIP code 50120
Climate — monthly normals
Warmest month Jul (avg high 84°F), coldest Jan (avg low 9°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 28 | 32 | 45 | 60 | 71 | 80 | 84 | 82 | 75 | 62 | 47 | 34 |
| Avg low °F | 9 | 13 | 25 | 36 | 49 | 59 | 63 | 60 | 51 | 39 | 26 | 16 |
| Precip in | 1.0 | 1.2 | 2.1 | 3.8 | 4.9 | 5.9 | 4.6 | 4.4 | 3.9 | 2.7 | 2.1 | 1.4 |
NOAA 1991–2020 climate normals from the nearest station: MARSHALLTOWN (9.5 mi) · NOAA NCEI
Places in ZIP 50120
- 1 parks
- 3 playgrounds
- 1 post offices
- 1 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