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/ALMA

Alma ZIP code, Kansas

The ZIP code for Alma, KS is 66401, and its area code is 785.

USPS city name
1 ZIP code
Population
1,063
Area code
785
State
Kansas

Alma in numbers

About 1,063 people live in Alma, in 374 households. The median household income is $71,875 a year, 3% below the Kansas median of $74,275 (US: $80,734). The median owner-occupied home is valued at $136,900 (37% below the Kansas median). The median age is 31.1; 23.4% of adults 25 and over hold a bachelor's degree or higher (35.6% across Kansas); the average commute takes 23 minutes.

Population1,063Alma1,063
Households374Alma374
Median age31.1Alma31.1Kansas37.4US 38.9
Median household income$71,875Alma$71,875Kansas$74,275US $80,734
Median home value$136,900Alma$136,900Kansas$217,200US $332,700
Bachelor's degree or higher23.4%Alma23.4%Kansas35.6%US 35.7%
Mean commute23.1 minAlma23.1 minKansas19.7 minUS 26.4 min
Population density1,817 / sq miAlma1,817 / sq mi

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

ZIP codes addressed as Alma

ZIP codes with the USPS city name Alma
ZIP City Type Population Median income Median home
66401 Alma , KS Standard 1,948 $73,516 $220,900

Map of Alma ZIP codes

66401

The ZIP codes of Alma, 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 Alma

The nearest larger towns are Wamego (4,386 people, 13 mi), St. Marys (2,788 people, 17 mi) and Rossville (1,106 people, 20 mi).

Towns near Alma
TownPopulationDistance
Wamego 4,386 13.2 mi
St. Marys 2,788 17.2 mi
Manhattan 54,239 20.8 mi
Fort Riley 8,606 28.9 mi

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

Cite this page

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

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