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St. Marys, PA Demographics & ZIP Codes
St. Marys, Pennsylvania demographics and median household income by ZIP code (in Elk County) — 1 ZIP codes — population 12,825 — median income $64,894 — avg. home value $144,600. Compare income, housing, and population across ZIP codes on US5.
Population
12,825
Median household income (avg.)
$64,894
86% of U.S. median
Average home value
$144,600
42% of U.S. median
Average rent
$619
53% of U.S. median
Median age (avg.)
49.8
St. Marys demographics
St. Marys, Pennsylvania covers 1 ZIP code primarily in Elk County, with a combined ZIP-area population of about 12,825.
Across ZIP codes with age data, the average median age is about 49.8 years.
Median household income in St. Marys
The average median household income across ZIP codes in St. Marys, Pennsylvania is about $64,894 — about 15% below the PA ZIP average ($76,329), and about 14% below the U.S. median ($75,149).
The highest median household income among listed ZIPs is about $64,894 in 15857.
Housing in St. Marys
For housing in St. Marys, Pennsylvania, the average median home value is about $144,600 and the average median rent is about $619.
The most populous ZIP in this set is 15857 (about 12,825 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 |
|---|---|---|---|---|---|---|
| 15857 | St. Marys | Elk County | PA | 12,825 | $64,894 | $144,600 |
Frequently asked questions
What are the demographics of St. Marys?
St. Marys, Pennsylvania has a combined ZIP-area population of about 12,825 across 1 ZIP codes (primarily Elk 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, Pennsylvania is about $64,894, about 15% below the state ZIP average ($76,329), and about 14% below the U.S. median ($75,149). Average median home value is about $144,600.
How many ZIP codes are in St. Marys?
St. Marys, Pennsylvania 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, Pennsylvania with population, median household income, and home value. Select a ZIP for a full demographics profile.