ZIP code · Hiawatha · Kansas · United States
ZIP code 66434 — Hiawatha
ZIP code 66434 serves Hiawatha, Kansas.
- Postal code
- 66434Single source Value from one source, not cross-checked.
- City
- Hiawatha
- County
- Brown FIPS 20013
- State
- Kansas
- Country
- United States
- Coordinates
- 39.7914, -95.6004 — precision precise (locality)
View on OpenStreetMap - Population
- 4,738 (ZCTA, ACS 5-year)
- Population density
- 22 / sq mi
- Land area
- 219.7 sq mi (569.1 km²) (ZCTA, ACS 5-year)
- Median household income
- $73,304
- Per-capita income
- $35,112
- Median age
- 41.8
- Households
- 1,821
- Housing units
- 2,206
- Median home value
- $132,000
- Median gross rent
- $676 / month
- Congressional district
- KS-2 (119th Congress)
- USDA hardiness zone
- 6a (-10 to -5 °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
- 785Telephone 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 66434 with another ZIP · ZIPs within 25 miles · distance from 66434
Map of ZIP code 66434
Climate — monthly normals
Warmest month Jul (avg high 87°F), coldest Jan (avg low 15°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 36 | 42 | 53 | 64 | 74 | 83 | 87 | 86 | 79 | 68 | 53 | 41 |
| Avg low °F | 15 | 19 | 29 | 40 | 53 | 63 | 66 | 63 | 54 | 42 | 30 | 20 |
| Precip in | 0.8 | 1.1 | 2.0 | 3.6 | 4.8 | 5.0 | 4.5 | 3.9 | 3.2 | 2.9 | 1.7 | 1.2 |
NOAA 1991–2020 climate normals from the nearest station: HIAWATHA 1 S (4.7 mi) · NOAA NCEI
Places in ZIP 66434
- 11 schools
- 1 colleges & universities
- 1 hospitals & clinics
- 1 doctors & dentists
- 1 pharmacies
- 1 supermarkets
- 14 restaurants & cafés
- 4 bars & pubs
- 18 parks
- 9 playgrounds
- 3 gyms & sports centres
- 2 libraries
- 1 post offices
- 15 places of worship
- 6 banks
- 4 gas stations
- 5 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