15857 ZIP Code — Saint Marys, PA

Elk County, Pennsylvania

ZIP code 15857 is located in Saint Marys, Pennsylvania, within Elk County. It covers approximately 100.46 square miles and serves a population of 12,958 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 814.

About ZIP code 15857

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1950s, giving the area an established character. Median home value is $140,800. Owner-occupancy is high at 77%, well above the national average.

Median household income is $62,036. 44% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is production, transportation, and material moving, with manufacturing as the leading industry. The average commute of 12 minutes is near the national average.

College attainment at 20% is below the national average, consistent with a trades and production-oriented local economy.

Overall, ZIP code 15857 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.

12,958

population

100.46

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

15857 ZIP code map

Cities in ZIP code 15857

Below are the cities the US Postal Service accepts for ZIP code 15857. Using any city not on this list may result in mail delivery delays.

City	Status
Saint Marys	Acceptable
Saint Marys	Preferred

Nearby ZIP codes

15845 Johnsonburg (8.7 mi) 15870 Wilcox (9.2 mi) 15846 Kersey (9.3 mi) 15827 Byrnedale (9.6 mi) 15868 Weedville (13.1 mi) 15834 Emporium (13.6 mi) 15853 Ridgway (13.7 mi) 15821 Benezett (13.7 mi) 15823 Brockport (15.7 mi) 16735 Kane (17.4 mi) 15832 Driftwood (19 mi)

Demographics updated 05/2026

Population
Total population	12,958
Population density	129 / sq mi
State FIPS	42
County FIPS	047

Geography
Land area	100.46 sq mi
Water area	0.19 sq mi
Latitude	41.4552
Longitude	-78.5342
Timezone	Eastern (ET)
Area code	814

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	44.5%	44.8%	39.8%
$50k – $100k	35.2%	35.8%	30.8%
$100k – $200k	17.1%	16.8%	22.4%
Over $200k	3.1%	2.6%	7.1%

Demographics & statistics

12,958

Population

129

People per sq mi

50.2

Median age

$62,036

Median household income

$35,962

Per capita income

$140,800

Median home value

$725

Median monthly rent

76.5%

Home ownership

8.8%

Poverty rate

8.9%

Unemployment

4,921

Housing units

19.6%

Bachelor's or higher

Age distribution

Male Female

317

Under 5

334

357

5–9

376

284

10–14

298

273

15–19

286

296

20–24

310

689

25–34

723

612

35–44

643

747

45–54

785

586

55–59

615

547

60–64

575

822

65–74

864

631

75–84

662

159

85+

167

← Male

Female →

Age summary

Group	Count	%
Under 18	2,297	17.7%
18 and over	10,661	82.3%
65 and over	3,305	25.5%
Median age	50.2 years

Race & ethnicity

White 91.7%

Two or more races 3.3%

Hispanic or Latino 3.1%

Black or African American 1.3%

Asian 0.4%

Other race 0.2%

Native Hawaiian / Pacific Islander 0.1%

Group	Count	%
White	12,265	91.7%
Two or more races	437	3.3%
Hispanic or Latino	420	3.1%
Black or African American	169	1.3%
Asian	54	0.4%
Other race	24	0.2%
Native Hawaiian / Pacific Islander	9	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	44.5%	44.8%	39.8%
$50k – $100k	35.2%	35.8%	30.8%
$100k – $200k	17.1%	16.8%	22.4%
Over $200k	3.1%	2.6%	7.1%

Under $10k 2.5%

$10k–$15k 4.5%

$15k–$25k 10.6%

$25k–$35k 9.4%

$35k–$50k 13.9%

$50k–$75k 18.1%

$75k–$100k 19.1%

$100k–$150k 14.1%

$150k–$200k 4.3%

$200k+ 3.4%

Range	% of households
Under $10k	2.5%
$10k–$15k	4.5%
$15k–$25k	10.6%
$25k–$35k	9.4%
$35k–$50k	13.9%
$50k–$75k	18.1%
$75k–$100k	19.1%
$100k–$150k	14.1%
$150k–$200k	4.3%
$200k+	3.4%
Median income	$62,036

Housing

Home values

Under $50k 8.4%

$50k–$100k 22.9%

$100k–$150k 24.2%

$150k–$200k 13.9%

$200k–$300k 19.3%

$300k–$500k 6.7%

$500k–$1M 4.1%

$1M+ 0.4%

Housing overview

Metric	Value
Median home value	$140,800
Median rent / month	$725
Owner occupied	76.5%
Renter occupied	23.5%
Vacant	7.3%
Single-family detached	81.6%
Large apartment buildings	2.7%
Mobile homes	3.4%
Median rooms	6.1
Avg household size (owned)	2.31

Year built

Era	%
2020 or later	0.8%
2010–2019	2.5%
2000–2009	4.0%
1990–1999	9.1%
1980–1989	11.5%
1970–1979	10.0%
1960–1969	13.8%
1950–1959	21.4%
1940–1949	6.2%
1939 or earlier	20.8%

Bedrooms

Size	% of units
No bedroom (studio)	1.1%
1 bedroom	10.6%
2 bedrooms	17.0%
3 bedrooms	53.9%
4 bedrooms	16.0%
5+ bedrooms	1.4%

Vehicles per household

Vehicles	% of households
No vehicle	8.0%
1 vehicle	35.6%
2 vehicles	38.3%
3 or more	18.1%

Heating fuel

Fuel type	%
Utility gas	77.0%
Electricity	16.3%
Propane / LP gas	2.7%
Fuel oil	2.2%
Wood	1.4%

Households & families

Household type	Count	%
Married-couple family	2,623	45.0%
Cohabiting couple	420	7.2%
Male householder, no spouse	1,203	20.6%
Female householder, no spouse	1,585	27.2%
Households with children under 18	1,021	17.5%
Households with seniors (65+)	2,219	38.1%
Average household size	2.17

Marital status

Status	Male	Female
Never married	34.0%	23.4%
Married	50.5%	49.2%
Separated	0.5%	1.8%
Widowed	3.4%	11.6%
Divorced	11.7%	14.0%

Education

Less than 9th grade 1.6%

Some HS, no diploma 4.6%

HS graduate 51.7%

Some college, no degree 10.1%

Associate's degree 12.4%

Bachelor's degree 13.9%

Graduate / professional 5.7%

Metric	%
HS diploma or higher	93.7%
Bachelor's or higher	19.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	241	10.6%
Kindergarten	245	10.8%
Elementary school	870	38.2%
High school	632	27.8%
College / grad school	288	12.7%

Employment

Industry of employment

Manufacturing 40.4%

Education & healthcare 22.1%

Retail trade 8.8%

Transportation & utilities 4.1%

Construction 3.8%

Wholesale trade 3.7%

Other services 3.6%

Professional & management 3.4%

Finance & real estate 3.0%

Arts, food & hospitality 2.9%

Information 1.9%

Public administration 1.4%

Agriculture & mining 0.8%

Occupation

Category	%
Management, business & arts	27.6%
Service	10.6%
Sales & office	21.4%
Natural resources & construction	7.7%
Production & transportation	32.8%

Employment type

Type	%
Private sector	90.7%
Government	5.9%
Self-employed	3.5%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	82.9%
Carpool	11.7%
Public transit	0.3%
Walk	1.7%
Work from home	1.5%
Other means	1.8%
Avg commute (minutes)	12.4

Poverty

All people 8.8%

Under 18 years 13.8%

18 and over 7.7%

Married-couple families 0.6%

Female-led households 10.9%

Income support

Source	% of households
Social Security	43.9%
Retirement income	30.0%
Supplemental Security	6.3%
Cash public assistance	1.9%
Food stamps / SNAP	15.3%

Health indicators

Condition	%
Obesity	31.1%
High blood pressure	35.8%
High cholesterol	35.6%
Diabetes	11.0%
Heart disease	7.9%
Stroke	3.4%
Asthma	9.8%
Arthritis	31.5%
Kidney disease	3.2%
Pulmonary disease	8.3%
Cancer	8.1%

Behavior / access	%
Smoking	19.6%
Binge drinking	17.6%
No physical activity	24.5%
Less than 7 hrs sleep	33.9%
Depression	21.7%
Fair or poor health	14.9%
Poor mental health	14.7%
Poor physical health	11.3%
No health insurance	10.2%
Visited doctor (checkup)	76.9%
Visited dentist	66.0%
Cholesterol screening	90.8%
Teeth loss	14.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	727	6.8%

Disability	%
Any disability	16.1%
Under 18	4.4%
18–64 years	15.3%
65 and over	26.7%

Health insurance coverage

Type	%
Private insurance	76.0%
Public insurance	44.4%
No insurance	2.2%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	12,307	95.0%
Spanish	38	0.3%
Other Indo-European	0	0.0%
Asian & Pacific Islander	22	0.2%
Other languages	16	0.1%

Place of birth & citizenship

Origin	Count	%
Native born (US)	12,797	98.8%
Born in same state	12,760	98.5%
Born in different state	11,794	91.0%
Foreign born	37	0.3%
Naturalized citizen	161	1.2%
Not a US citizen	103	64.0%

Ancestry

Ancestry	Count	%
Italian	1,775	13.7%
French	840	6.5%
Arab	554	4.3%
English	100	0.8%

Ancestry	Count	%
Irish	60	0.5%
German	45	0.3%
Norwegian	17	0.1%

Technology access

Metric	% of households
Computer access	45.0%
Internet access	85.5%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 15857

What city is ZIP code 15857 in?

ZIP code 15857 is primarily assigned to Saint Marys, Pennsylvania.

What county is ZIP code 15857 in?

ZIP code 15857 falls within Elk County, Pennsylvania.

Does ZIP code 15857 have an older population?

26% of residents in ZIP code 15857 are 65 or older, above the national average of ~17%.

Does ZIP code 15857 have a large retiree population?

44% of households in ZIP code 15857 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 15857?

The median home value in ZIP code 15857 is $140,800.

What is the population of ZIP code 15857?

ZIP code 15857 has an estimated population of 12,958 residents, with a density of 129 people per square mile.

What timezone is ZIP code 15857 in?

ZIP code 15857 observes the EST timezone.