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zipcodes.pro — CITY/KS/ST-MARYS

St. Marys ZIP code, Kansas

The ZIP code for St. Marys, KS is 66536, and its area code is 785.

USPS city name
1 ZIP code
Population
2,788
Area code
785
State
Kansas

Also written Saint Marys, the spelling the Postal Service uses.

St. Marys in numbers

About 2,788 people live in St. Marys, in 905 households. The median household income is $76,771 a year, 3% above the Kansas median of $74,275 (US: $80,734). The median owner-occupied home is valued at $206,900 (5% below the Kansas median), and median gross rent is $892 a month. The median age is 26.6; 24.7% of adults 25 and over hold a bachelor's degree or higher (35.6% across Kansas); the average commute takes 16 minutes.

Population2,788St. Marys2,788
Households905St. Marys905
Median age26.6St. Marys26.6Kansas37.4US 38.9
Median household income$76,771St. Marys$76,771Kansas$74,275US $80,734
Median home value$206,900St. Marys$206,900Kansas$217,200US $332,700
Median gross rent$892St. Marys$892Kansas$1,060US $1,413
Bachelor's degree or higher24.7%St. Marys24.7%Kansas35.6%US 35.7%
Mean commute15.8 minSt. Marys15.8 minKansas19.7 minUS 26.4 min
Population density2,367 / sq miSt. Marys2,367 / sq mi

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

ZIP codes addressed as Saint Marys

ZIP codes with the USPS city name Saint Marys
ZIP City Type Population Median income Median home
66536 Saint Marys , KS Standard 4,204 $85,568 $224,600

Map of St. Marys ZIP codes

66536

The ZIP codes of St. Marys, 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 St. Marys

The nearest larger towns are Wamego (4,386 people, 13 mi), Topeka (125,786 people, 23 mi) and Holton (3,387 people, 26 mi).

Towns near St. Marys
TownPopulationDistance
Wamego 4,386 13.2 mi
Topeka 125,786 22.6 mi
Holton 3,387 26.0 mi
Manhattan 54,239 29.0 mi

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

Cite this page

zipcodes.pro. “St. Marys, KS ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ks/st-marys

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