Postal Codes

17878 ZIP Code

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ZIP code 17878 covers Stillwater, Pennsylvania, with a population of about 1,573 and a median household income of $76,875.

Population
1,57372 per square mile
Median age
48.69.9 points above the US average
Median household income
$76,875about the Pennsylvania median
Poverty rate
6.2%6.2 points below the US average
Typical home value
$284,363up 10.8% in five years
Degree or higher
18.1%16.9 points below the US average
Homeownership
89.2%24.2 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
21

Where 17878 is

Stillwater, Pennsylvania — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population1,573
Median age48.6
Family households83.6%
Born outside the US0.6%
Speaks a language other than English at home1.3%
White (non-Hispanic)91.4%
Black (non-Hispanic)0.3%
Asian (non-Hispanic)0%
Hispanic or Latino2.5%
Veterans10%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$76,875
Income per person$42,869
Poverty rate6.2%
Households on SNAP or cash assistance8%

Household income distribution

Under $10k5.6%
$10–15k0.5%
$15–20k4.1%
$20–25k2.7%
$25–30k2.1%
$30–35k4.4%
$35–40k4.1%
$40–45k2.6%
$45–50k3.1%
$50–60k8.9%
$60–75k10.6%
$75–100k18.8%
$100–125k9.4%
$125–150k5.1%
$150–200k6.5%
$200k or more11.5%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed750
Mean adjusted gross income$65,856
Returns declaring $200,000 or more4%
Returns, under $25k29.3%
Returns, $25k–$50k20.0%
Returns, $50k–$75k18.7%
Returns, $75k–$100k12.0%
Returns, $100k–$200k16.0%
Returns, $200k or more4.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$195,800
Owner-occupied89.2%
Vacant homes12.9%
Median year built1973

What the homes are

Detached house85.1%
Attached house0.3%
2 to 4 units6.4%
Mobile home8.2%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$284,363as of 2026-07
Typical home value, 1 yearup 3.3%
Typical home value, 5 yearsup 10.8%
Typical home value, 10 yearsup 46.4%
Typical home value since 2000
200020132026$284,363$115,337

$115,337 in 2000 to $284,363 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate1%
Bachelor's degree or higher18.1%
High school diploma or higher94.8%
Works from home12%
Drives to work alone75.2%
Takes public transport0.4%
Commutes 45 minutes or more27.5%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Colorectal screening69.9% 5.6 pts above the national average of 64.3%
Visited a dentist64.6% 3.3 pts above the national average of 61.3%
Mammography use76% same as the national average of 75.9%
Sleeps under 7 hours36.2% same as the national average of 36.4%
All natural teeth lost16.9% 3.9 pts above the national average of 13%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments21
People employed143
Annual payroll$4,907,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 67.2% of US census tracts
FEMA ratingRelatively Low to Relatively Moderate across the 2 census tracts this ZIP code covers
Expected annual loss65.8 out of 100
Community resilience78.6 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Landslide94.8Relatively Moderate at its worst in this ZIP code
Winter weather90.3Relatively High at its worst in this ZIP code
River flooding87.6Relatively High at its worst in this ZIP code
Lightning78.1Relatively High at its worst in this ZIP code
Strong wind72.4Relatively High at its worst in this ZIP code
Wildfire68.5Relatively Low at its worst in this ZIP code
Hurricane68Relatively Low at its worst in this ZIP code
Ice storm58.7Relatively Low at its worst in this ZIP code
Cold wave57.8Relatively Moderate at its worst in this ZIP code
Heat wave48.9Relatively Low at its worst in this ZIP code
Tornado47.7Relatively Low at its worst in this ZIP code
Hail39.2Relatively Low at its worst in this ZIP code
Avalanche38.1Very Low at its worst in this ZIP code
Earthquake35Very Low at its worst in this ZIP code
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Compared with Pennsylvania and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPPennsylvaniaUnited States
Median household income$76,875$76,081$78,538
Income per person$42,869$43,104$43,289
Poverty rate6.2%11.8%12.4%
Median home value$195,800$240,500$303,400
Median gross rent$1,162$1,348
Homeownership89.2%69.3%65%
Bachelor's degree or higher18.1%34.5%35%
Unemployment rate1%5.2%5.2%
Works from home12%13.8%13.5%
Born outside the US0.6%7.4%13.9%
Median age48.640.938.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationBENTON 3 NE, PA US9.3 km away
Rain in a year48 in
Snow in a year46 in

Average high and low by month

January32.8°F / 16.2°F3.19 in rain, 12.3 in snow
February35.5°F / 17.6°F2.55 in rain, 12.9 in snow
March44.4°F / 24.8°F3.4 in rain, 8.6 in snow
April57.6°F / 35°F4.36 in rain, 1.4 in snow
May68.7°F / 45.6°F4.7 in rain
June76°F / 54.7°F4.55 in rain
July80.3°F / 58.4°F4.48 in rain
August78.1°F / 57.3°F4.54 in rain
September72.1°F / 50.3°F4.89 in rain
October60.4°F / 38.9°F4.77 in rain, 0.6 in snow
November48.1°F / 30.8°F3.41 in rain, 2.2 in snow
December37.9°F / 21.7°F3.58 in rain, 8 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Benton Area School District70.7% of this ZIP code's land area
Northwest Area School District29.3% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability29more vulnerable than 29% of US census tracts
Socioeconomic status37more vulnerable than 37% of US census tracts
Household characteristics40more vulnerable than 40% of US census tracts
Racial and ethnic minority status5more vulnerable than 5% of US census tracts
Housing type and transport33more vulnerable than 33% of US census tracts
Walkability5.4 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

17859 Orangeville, PA5.6 km away
18611 Cambra, PA7.4 km away
17814 Benton, PA8.3 km away
18622 Huntington Mills, PA12.2 km away
17846 Millville, PA13 km away
18603 Berwick, PA14.1 km away
18631 Mifflinville, PA14.2 km away
17774 Unityville, PA16.1 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Columbia County70.7% of this ZIP code's land area
Luzerne County29.3% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area22 sq mi
Water area0.25 sq mi
Population density72 people per sq mi
Latitude, longitude41.1515, -76.3696

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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