ZIP code · Crystal Lake · Iowa · United States
ZIP code 50432 — Crystal Lake
ZIP code 50432 serves Crystal Lake, Iowa.
- Postal code
- 50432Single source Value from one source, not cross-checked.
- City
- Crystal Lake
- County
- Hancock FIPS 19081
- State
- Iowa
- Country
- United States
- Coordinates
- 43.2233, -93.7924 — precision precise (locality)
View on OpenStreetMap - Population
- 229 (ZCTA, ACS 5-year)
- Population density
- 525 / sq mi
- Land area
- 0.4 sq mi (1.1 km²) (ZCTA, ACS 5-year)
- Median household income
- $82,500
- Per-capita income
- $32,259
- Median age
- 36.2
- Households
- 108
- Housing units
- 113
- Median home value
- $86,000
- Median gross rent
- $830 / 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
- 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 50432 with another ZIP · ZIPs within 25 miles · distance from 50432
Map of ZIP code 50432
Climate — monthly normals
Warmest month Jul (avg high 82°F), coldest Jan (avg low 6°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 24 | 28 | 41 | 57 | 69 | 79 | 82 | 80 | 73 | 60 | 43 | 30 |
| Avg low °F | 6 | 10 | 23 | 34 | 48 | 58 | 62 | 59 | 50 | 37 | 25 | 13 |
| Precip in | 0.8 | 1.5 | 2.1 | 3.9 | 4.5 | 5.4 | 4.2 | 3.6 | 3.2 | 2.6 | 1.4 | 1.1 |
NOAA 1991–2020 climate normals from the nearest station: BRITT 3E (8.5 mi) · NOAA NCEI
Places in ZIP 50432
- 1 restaurants & cafés
- 2 parks
- 1 post offices
- 2 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