ZIP code · Randolph · Kansas · United States
ZIP code 66554 — Randolph
ZIP code 66554 serves Randolph, Kansas.
- Postal code
- 66554Single source Value from one source, not cross-checked.
- City
- Randolph
- County
- Riley FIPS 20161
- State
- Kansas
- Country
- United States
- Coordinates
- 39.4879, -96.7828 — precision precise (locality)
View on OpenStreetMap - Population
- 744 (ZCTA, ACS 5-year)
- Population density
- 7 / sq mi
- Land area
- 100.9 sq mi (261.3 km²) (ZCTA, ACS 5-year)
- Median household income
- $92,644
- Per-capita income
- $37,669
- Median age
- 40.6
- Households
- 235
- Housing units
- 284
- Median home value
- $240,500
- Median gross rent
- $960 / month
- Congressional district
- KS-1 (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
- 785 (from the nearest rate centre)Telephone 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 66554 with another ZIP · ZIPs within 25 miles · distance from 66554
Map of ZIP code 66554
Climate — monthly normals
Warmest month Jul (avg high 90°F), coldest Jan (avg low 16°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 39 | 44 | 55 | 66 | 75 | 85 | 90 | 88 | 81 | 68 | 54 | 43 |
| Avg low °F | 16 | 20 | 30 | 41 | 52 | 62 | 67 | 65 | 55 | 42 | 30 | 20 |
| Precip in | 0.6 | 1.1 | 1.9 | 3.3 | 5.1 | 5.3 | 4.3 | 4.2 | 2.8 | 2.4 | 1.6 | 1.2 |
NOAA 1991–2020 climate normals from the nearest station: TUTTLE CREEK LAKE (19.3 mi) · NOAA NCEI
Places in ZIP 66554
- 4 schools
- 1 restaurants & cafés
- 1 bars & pubs
- 2 parks
- 1 post offices
- 5 places of worship
- 2 banks
- 1 gas stations
- 3 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