ZIP Code Tabulation Area · Pennsylvania

ZIP Code 15857: St. Marys, PA

ZIP Code 15857 (St. Marys, Elk County, Pennsylvania) has an estimated 12,736 residents in 5,756 households. The median household income is $67,662, the median home value is $150,100 and the median gross rent is $762/mo. Figures are U.S. Census Bureau American Community Survey 2020–2024 5-year estimates for the matching ZIP Code Tabulation Area.

American Community Survey 2020–2024 5-year estimates · Updated Oct 26, 2026

Total population

12,736

Margin of error ±256

Median household income

$67,662

Margin of error ±$4,320

Median home value

$150,100

Margin of error ±$11,334

Median gross rent

$762/mo

Margin of error ±$65

Median age

50.9 yrs

Margin of error ±2.1 yrs

Mean travel time to work

14.1 min

Margin of error ±1.9 min

How ZIP 15857 compares with Pennsylvania and the U.S.

State and national figures are the Census Bureau's own estimates for those areas from the same ACS release, not averages of ZIP codes.

Median age

ZIP 1585750.9 yrsPennsylvania40.9 yrsUnited States38.9 yrs

Median household income

ZIP 15857$67,662Pennsylvania$77,971United States$80,734

Per capita income

ZIP 15857$37,095Pennsylvania$44,355United States$44,673

Poverty rate

ZIP 158577.7%Pennsylvania11.7%United States12.5%

Unemployment rate

ZIP 158577.5%Pennsylvania5.3%United States5.2%

Bachelor's degree or higher

ZIP 1585721.5%Pennsylvania35.2%United States35.7%

Median home value

ZIP 15857$150,100Pennsylvania$254,500United States$332,700

Median gross rent

ZIP 15857$762/moPennsylvania$1,209/moUnited States$1,413/mo

Owner-occupied homes

ZIP 1585777.9%Pennsylvania69.3%United States65.2%

Mean travel time to work

ZIP 1585714.1 minPennsylvania26.3 minUnited States26.4 min

Worked from home

ZIP 158571.7%Pennsylvania15.6%United States15.1%

All figures for ZIP 15857

Each estimate has a 90% margin of error: the true value is likely within that range. * marks estimates with a large margin of error (a coefficient of variation above 30%, or ±10 percentage points or more for rates).

ZIP 15857 — ACS 2020–2024 5-year estimates
Measure	ZIP 15857	Margin of error	Pennsylvania	United States
Total population	12,736	±256	13,018,639	334,922,499
Median age	50.9 yrs	±2.1 yrs	40.9 yrs	38.9 yrs
Households	5,756	±246	5,274,853	129,227,496
Median household income	$67,662	±$4,320	$77,971	$80,734
Per capita income	$37,095	±$2,650	$44,355	$44,673
Poverty rate	7.7%	±2.3 pts	11.7%	12.5%
Unemployment rate	7.5%	±3.4 pts	5.3%	5.2%
Bachelor's degree or higher	21.5%	±3.3 pts	35.2%	35.7%
Median home value	$150,100	±$11,334	$254,500	$332,700
Median gross rent	$762/mo	±$65	$1,209/mo	$1,413/mo
Owner-occupied homes	77.9%	±2.5 pts	69.3%	65.2%
Mean travel time to work	14.1 min	±1.9 min	26.3 min	26.4 min
Worked from home	1.7%	±1.1 pts	15.6%	15.1%

Race and Hispanic or Latino origin

Shares of the total population by the Census Bureau's race and Hispanic or Latino origin categories (table B03002), listed in the Census Bureau's order. People self-identify on the survey.

Population by race and Hispanic or Latino origin, ZIP 15857
Group	ZIP 15857	Pennsylvania	United States
White alone, not Hispanic or Latino	93.8%	73.0%	57.4%
Black or African American alone, not Hispanic or Latino	1.3%	10.3%	11.9%
American Indian and Alaska Native alone, not Hispanic or Latino	0.0%	0.1%	0.5%
Asian alone, not Hispanic or Latino	0.2%	3.8%	5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino	0.0%	0.0%	0.2%
Some other race alone, not Hispanic or Latino	0.0%	0.5%	0.6%
Two or more races, not Hispanic or Latino	3.2%	3.6%	4.3%
Hispanic or Latino (of any race)	1.5%	8.7%	19.3%

Where ZIP 15857 is

State: Pennsylvania
Main county: Elk County
Largest overlapping place: St. Marys (99% of the ZIP's land area)
Land area: 100.46 sq mi· about 127 people per sq mi

County and place names come from the Census Bureau's 2020 ZCTA relationship files. A ZIP code's mailing city, set by the U.S. Postal Service, can differ from these names.

Other ZIP codes in Elk County

15821 Elk County, PA 15823 Elk County, PA 15827 Byrnedale, PA 15831 Elk County, PA 15841 Force, PA 15845 Elk County, PA 15846 Elk County, PA 15853 Elk County, PA 15868 Elk County, PA 15870 Elk County, PA 16734 James City, PA

See every ZIP code in Pennsylvania, or compare ZIP 15857 with another ZIP code.

Census figures describe residents as a group and cannot tell you about any one home or street. For a specific address, check local government and housing records.

About ZIP codes and ZCTAs: the Census Bureau publishes statistics for ZIP Code Tabulation Areas, which approximate USPS ZIP code delivery areas. Learn how they differ.

Sources

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, detailed tables B01003, B01002, B11001, B19013, B19301, B17001, B23025, B15003, B25077, B25064, B25003, B08013, B08303, B08301, B03002 — snapshot Oct 26, 2026.
U.S. Census Bureau, 2020 ZCTA5 relationship files (county and place).
Data: U.S. Census Bureau, American Community Survey 5-year estimates (detailed tables) and 2020 Census ZCTA relationship files. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. These agencies do not endorse OpenZIP.