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St. Marys, KS Demographics & ZIP Codes
St. Marys, Kansas demographics and median household income by ZIP code (in Pottawatomie County) — 1 ZIP codes — population 4,103 — median income $78,641 — avg. home value $211,400. Compare income, housing, and population across ZIP codes on US5.
Population
4,103
Median household income (avg.)
$78,641
105% of U.S. median
Average home value
$211,400
61% of U.S. median
Average rent
$759
65% of U.S. median
Median age (avg.)
25.4
St. Marys demographics
St. Marys, Kansas covers 1 ZIP code primarily in Pottawatomie County, with a combined ZIP-area population of about 4,103.
Across ZIP codes with age data, the average median age is about 25.4 years.
Median household income in St. Marys
The average median household income across ZIP codes in St. Marys, Kansas is about $78,641 — about 12% above the KS ZIP average ($70,475), and about 5% above the U.S. median ($75,149).
The highest median household income among listed ZIPs is about $78,641 in 66536.
Housing in St. Marys
For housing in St. Marys, Kansas, the average median home value is about $211,400 and the average median rent is about $759.
The most populous ZIP in this set is 66536 (about 4,103 residents). Use the table below to compare population, income, and home values across codes.
ZIP codes in St. Marys
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 66536 | St. Marys | Pottawatomie County | KS | 4,103 | $78,641 | $211,400 |
Frequently asked questions
What are the demographics of St. Marys?
St. Marys, Kansas has a combined ZIP-area population of about 4,103 across 1 ZIP codes (primarily Pottawatomie County). Browse the ZIP table below for population, income, and housing by code.
What is the median household income in St. Marys?
The average median household income across ZIP codes in St. Marys, Kansas is about $78,641, about 12% above the state ZIP average ($70,475), and about 5% above the U.S. median ($75,149). Average median home value is about $211,400.
How many ZIP codes are in St. Marys?
St. Marys, Kansas includes 1 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for St. Marys?
This page lists ZIP codes in St. Marys, Kansas with population, median household income, and home value. Select a ZIP for a full demographics profile.