66554
ZIP 66554 is Randolph, Kansas, in Riley County; area code 785; Central time.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Riley
- Metro area
- Manhattan, KS
- Population
- 770
- Coordinates
- 39.4948, -96.7905
Weather right now
Asking the National Weather Service…
Where 66554 is
Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.
- 🔢 Type 66554 into a pocket calculator and turn it upside down: hSSgg — not quite a word, sorry.
- ➕ As a number, 66,554 = 2 × 107 × 311. Its digits add up to 26, a total 2,038 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10000001111111010 - 🏠 Its numerical neighbours: 66552 (Whiting, KS, 62 mi away) and 66601 (Topeka, KS, 67 mi away).
- 🔄 Backwards, 66554 becomes 45566, which is not a ZIP code at all.
- 👥 16 other ZIP codes are made of exactly the same digits (45656, 46556, 46565, 54566, 54656, 54665, …). The farthest-flung twin is 45656 in Oak Hill, OH, 761 miles away.
- 🧭 Farther north than 52% of all ZIP codes, and farther west than 73%.
- 🎯98 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 66554 and you would come out at 39.49°S, 83.21°E — 933 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 58m of daylight. Shortest: 9h 23m.
- 📏 At 100.9 square miles of land, 66554 is bigger than 78% of ZIP codes — room for about 77 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 770This ZIP770 |
|---|---|
| Households | 245This ZIP245 |
| Housing units | 299This ZIP299 |
| Median age | 41.1This ZIP41.1Kansas37.4US 38.9 |
| Median household income | $97,411This ZIP$97,411Kansas$74,275US $80,734 |
| Median home value | $194,400This ZIP$194,400Kansas$217,200US $332,700 |
| Median gross rent | $950This ZIP$950Kansas$1,060US $1,413 |
| Bachelor's degree or higher | 56.1%This ZIP56.1% |
| Mean commute | 28.8 minThis ZIP28.8 min |
| Population density | 7.6 / sq miThis ZIP7.6 / sq mi |
Business and tax activity
| Business establishments | 14This ZIP14 |
|---|---|
| Employees | 28This ZIP28 |
| Annual payroll | $1,571,000This ZIP$1,571,000 |
| Tax returns filed | 230This ZIP230 |
| Total adjusted gross income | $18,197,000This ZIP$18,197,000 |
Land area
| Land area | 100.88 sq miThis ZIP100.88 sq mi |
|---|---|
| Water area | 4.69 sq miThis ZIP4.69 sq mi |
Other place names in 66554
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 66554
| ZIP | City | Distance |
|---|---|---|
66449 | Leonardville, KS | 8.0 mi |
67447 | Green, KS | 9.6 mi |
66520 | Olsburg, KS | 11.1 mi |
66548 | Waterville, KS | 12.3 mi |
66411 | Blue Rapids, KS | 12.8 mi |
66531 | Riley, KS | 12.9 mi |
66933 | Barnes, KS | 13.2 mi |
66505 | Manhattan, KS | 14.5 mi |
66943 | Greenleaf, KS | 15.4 mi |
66426 | Fostoria, KS | 15.6 mi |
Find every ZIP code within 10 miles of 66554 →
Questions about this ZIP code
Where is ZIP code 66554?
66554 is in Randolph, Kansas, in Riley County, part of the Manhattan, KS metropolitan area. Its published point location is 39.4948, -96.7905.
What county is 66554 in?
66554 lies in Riley County.
What area code is 66554?
Randolph uses area code 785, from NANPA's telephone records.
What time zone is 66554 in?
66554 uses America/Chicago.
How many people live in 66554?
About 770 people live in ZIP code 66554, in 245 households, at 7.6 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What is the median household income in 66554?
$97,411 a year, against $74,275 across Kansas.
What ZIP codes are near 66554?
The closest are 66449 (8 mi), 67447 (9.6 mi), 66520 (11.1 mi), 66548 (12.3 mi) and 66411 (12.8 mi).
Is 66554 a PO Box ZIP code?
66554 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “66554 ZIP Code — Randolph, Kansas (Riley County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/66554
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/66554.json Underlying data is public domain or openly licensed — sources, vintages and licences.