Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/KS/VASSAR

Vassar ZIP code, Kansas

The ZIP code for Vassar, KS is 66543, and its area code is 785.

USPS city name
1 ZIP code
Overlapping the city
1 more
Population
832
Area code
785
State
Kansas

NANPA lists no telephone rate centre for Vassar itself, so these are the area codes of the nearest one, Quenemo (4.2 miles). A town on an area-code boundary can differ from its neighbour.

Mail addressed to Vassar uses the ZIP code above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.

Vassar in numbers

About 832 people live in Vassar, in 311 households. The median household income is $68,036 a year, 8% below the Kansas median of $74,275 (US: $80,734). The median owner-occupied home is valued at $176,300 (19% below the Kansas median), and median gross rent is $1,167 a month. The median age is 46.2; 19.5% of adults 25 and over hold a bachelor's degree or higher (35.6% across Kansas); the average commute takes 34 minutes.

Population832Vassar832
Households311Vassar311
Median age46.2Vassar46.2Kansas37.4US 38.9
Median household income$68,036Vassar$68,036Kansas$74,275US $80,734
Median home value$176,300Vassar$176,300Kansas$217,200US $332,700
Median gross rent$1,167Vassar$1,167Kansas$1,060US $1,413
Bachelor's degree or higher19.5%Vassar19.5%Kansas35.6%US 35.7%
Mean commute33.9 minVassar33.9 minKansas19.7 minUS 26.4 min
Population density171 / sq miVassar171 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Vassar CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Vassar

ZIP codes with the USPS city name Vassar
ZIP City Type Population Median income Median home
66543 Vassar , KS Standard 980 $75,288 $172,200

Other ZIP codes overlapping Vassar

These ZIP codes cover part of Vassar but are addressed as somewhere else.

ZIP codes overlapping Vassar
ZIP City Type Population Median income Median home
66451 Lyndon , KS Standard 1,671 $76,908 $158,500

Map of Vassar ZIP codes

66543

The ZIP codes of Vassar, KS, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Vassar

The nearest larger towns are Lyndon (1,023 people, 4.7 mi), Pomona (1,088 people, 8.8 mi) and Overbrook (1,113 people, 9.5 mi).

Towns near Vassar
TownPopulationDistance
Osage City 2,828 11.4 mi
Ottawa 12,678 19.0 mi
Baldwin City 4,911 24.5 mi
Topeka 125,786 27.1 mi
Lawrence 96,051 28.4 mi

More nearby: every ZIP code in Osage County · Kansas ZIP codes

Cite this page

zipcodes.pro. “Vassar, KS ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ks/vassar

Underlying data is public domain or openly licensed — sources, vintages and licences.