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zipcodes.pro — ZIP/66543

66543

ZIP 66543 is Vassar, Kansas, in Osage County; area code 785; Central time.

Type
Standard
Time zone
America/Chicago
County
Osage
Metro area
Topeka, KS
Population
980
Coordinates
38.6396, -95.5994
☼ Live from 66543 — Vassar, KS

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Where 66543 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.

★ Weird and wonderful facts about 66543
  • 🔢 Type 66543 into a pocket calculator and turn it upside down: EhSgg — not quite a word, sorry.
  • ➕ As a number, 66,543 = 3 × 41 × 541. Its digits add up to 24, a total 2,425 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10000001111101111
  • 🏠 Its numerical neighbours: 66542 (Tecumseh, KS, 26 mi away) and 66544 (Vermillion, KS, 81 mi away).
  • 🔄 Backwards, 66543 becomes 34566, which is not a ZIP code at all.
  • 👥 29 other ZIP codes are made of exactly the same digits (34656, 35466, 35646, 36456, 36564, 43566, …). The farthest-flung twin is 34656 in New Port Richey, FL, 1,031 miles away.
  • 🧭 Farther south than 54% of all ZIP codes, and farther west than 70%.
  • 🎯179 miles southeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 66543 and you would come out at 38.64°S, 84.40°E — 1,019 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 52m of daylight. Shortest: 9h 28m.
  • 📏 At 8.9 square miles of land, 66543 is bigger than 26% of ZIP codes — room for about 6.7 Central Parks.
🌙 The sky over 66543 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population980This ZIP980
Households375This ZIP375
Housing units423This ZIP423
Median age46.2This ZIP46.2Kansas37.4US 38.9
Median household income$75,288This ZIP$75,288Kansas$74,275US $80,734
Median home value$172,200This ZIP$172,200Kansas$217,200US $332,700
Median gross rent$1,167This ZIP$1,167Kansas$1,060US $1,413
Bachelor's degree or higher19.4%This ZIP19.4%
Mean commute33.5 minThis ZIP33.5 min
Population density110.5 / sq miThis ZIP110.5 / sq mi

Business and tax activity

Business establishments6This ZIP6
Employees78This ZIP78
Annual payroll$1,114,000This ZIP$1,114,000
Tax returns filed340This ZIP340
Total adjusted gross income$23,959,000This ZIP$23,959,000

Land area

Land area8.87 sq miThis ZIP8.87 sq mi
Water area0.01 sq miThis ZIP0.01 sq mi

Other place names in 66543

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 66543

ZIPCityDistance
66528 Quenemo, KS 4.2 mi
66451 Lyndon, KS 4.7 mi
66076 Pomona, KS 8.5 mi
66510 Melvern, KS 9.7 mi
66537 Scranton, KS 10.1 mi
66524 Overbrook, KS 11.6 mi
66523 Osage City, KS 12.8 mi
66414 Carbondale, KS 14.0 mi
66095 Williamsburg, KS 16.2 mi
66067 Ottawa, KS 17.1 mi

Find every ZIP code within 10 miles of 66543 →

Questions about this ZIP code

Where is ZIP code 66543?

66543 is in Vassar, Kansas, in Osage County, part of the Topeka, KS metropolitan area. Its published point location is 38.6396, -95.5994.

What county is 66543 in?

66543 lies in Osage County.

What area code is 66543?

Vassar uses area code 785, from NANPA's telephone records.

What time zone is 66543 in?

66543 uses America/Chicago.

How many people live in 66543?

About 980 people live in ZIP code 66543, in 375 households, at 110.5 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 66543?

$75,288 a year, against $74,275 across Kansas.

What ZIP codes are near 66543?

The closest are 66528 (4.2 mi), 66451 (4.7 mi), 66076 (8.5 mi), 66510 (9.7 mi) and 66537 (10.1 mi).

Is 66543 a PO Box ZIP code?

66543 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “66543 ZIP Code — Vassar, Kansas (Osage County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/66543

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