Postal Codes

16839 ZIP Code

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ZIP code 16839 covers Grassflat, Pennsylvania, with a population of about 437 and a median household income of $80,069.

Population
437393 per square mile
Median age
41.12.4 points above the US average
Median household income
$80,0691.1× the Pennsylvania median
Poverty rate
3.2%9.2 points below the US average
Typical home value
$93,584
Degree or higher
27.1%7.9 points below the US average
Homeownership
96.9%31.9 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
9

Where 16839 is

Grassflat, 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

Population437
Median age41.1
Family households80.1%
Born outside the US0%
Speaks a language other than English at home0%
White (non-Hispanic)100%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino0%
Veterans13.2%
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$80,069
Income per person$29,851
Poverty rate3.2%
Households on SNAP or cash assistance18.6%

Household income distribution

Under $10k0.0%
$10–15k3.1%
$15–20k5.6%
$20–25k0.0%
$25–30k7.5%
$30–35k3.7%
$35–40k1.2%
$40–45k7.5%
$45–50k0.0%
$50–60k16.1%
$60–75k5.0%
$75–100k17.4%
$100–125k9.3%
$125–150k15.5%
$150–200k8.1%
$200k or more0.0%

Income as declared to the IRS

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

Tax returns filed250
Mean adjusted gross income$50,620
Returns declaring $200,000 or more0%
Returns, under $25k28.0%
Returns, $25k–$50k28.0%
Returns, $50k–$75k16.0%
Returns, $75k–$100k12.0%
Returns, $100k–$200k16.0%
Returns, $200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$147,600
Owner-occupied96.9%
Vacant homes2.4%
Median year built1952

What the homes are

Detached house93.9%
Attached house3%
Mobile home3%
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$93,584as of 2026-07
Typical home value, 1 yearup 5.1%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate0%
Bachelor's degree or higher27.1%
High school diploma or higher93.3%
Works from home6.1%
Drives to work alone86.4%
Takes public transport0%
Commutes 45 minutes or more21.9%
Health

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

Colorectal screening64.3% same as the national average of 64.3%
Visited a dentist67.4% 6.1 pts above the national average of 61.3%
Mammography use72.5% 3.4 pts below the national average of 75.9%
Sleeps under 7 hours37.7% 1.3 pts above the national average of 36.4%
All natural teeth lost11.6% 1.4 pts below the national average of 13%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments9
People employed29
Annual payroll$836,000
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 37.2% of US census tracts
FEMA ratingRelatively Low
Expected annual loss35.7 out of 100
Community resilience66.3 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.

Winter weather95.9Very High at its worst in this ZIP code
Lightning95Relatively High at its worst in this ZIP code
Strong wind91.6Relatively High at its worst in this ZIP code
Landslide91.5Relatively Low at its worst in this ZIP code
Wildfire72.8Relatively Low at its worst in this ZIP code
Cold wave65.2Relatively Moderate at its worst in this ZIP code
Hurricane63.7Relatively Low at its worst in this ZIP code
River flooding57.1Relatively Moderate at its worst in this ZIP code
Tornado47.5Relatively Low at its worst in this ZIP code
Hail40.5Relatively Low at its worst in this ZIP code
Earthquake32.6Very Low at its worst in this ZIP code
Avalanche32.1Very Low at its worst in this ZIP code
Ice storm12.2Very Low at its worst in this ZIP code
Heat wave4.4Very 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$80,069$76,081$78,538
Income per person$29,851$43,104$43,289
Poverty rate3.2%11.8%12.4%
Median home value$147,600$240,500$303,400
Median gross rent$1,162$1,348
Homeownership96.9%69.3%65%
Bachelor's degree or higher27.1%34.5%35%
Unemployment rate0%5.2%5.2%
Works from home6.1%13.8%13.5%
Born outside the US0%7.4%13.9%
Median age41.140.938.7
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 stationCLARENCE, PA US15.1 km away
Rain in a year44 in
Snow in a year50 in

Average high and low by month

January33.2°F / 13.6°F3.17 in rain, 12.8 in snow
February36.5°F / 13.6°F2.56 in rain, 11.5 in snow
March45.6°F / 21.4°F3.62 in rain, 11.4 in snow
April59.3°F / 31.2°F3.78 in rain, 1.7 in snow
May70.3°F / 39.9°F4.13 in rain
June77.9°F / 49.6°F4.15 in rain
July81.9°F / 53.4°F3.97 in rain
August80.7°F / 51.7°F4.07 in rain
September74.4°F / 44°F4.45 in rain
October61.8°F / 34.8°F3.8 in rain, 0.8 in snow
November49°F / 25.8°F3.31 in rain, 3.1 in snow
December37.8°F / 20.6°F3.46 in rain, 9 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 supermarket100% of this ZIP code's area
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%.

West Branch Area School District100% 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 vulnerability37more vulnerable than 37% of US census tracts
Socioeconomic status47more vulnerable than 47% of US census tracts
Household characteristics44more vulnerable than 44% of US census tracts
Racial and ethnic minority status4more vulnerable than 4% of US census tracts
Housing type and transport39more vulnerable than 39% of US census tracts
Walkability5 out of 20Least walkable
Nearby ZIP codes

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

16834 Drifting, PA2.3 km away
16849 Lanse, PA4.8 km away
16847 Kylertown, PA4.9 km away
16879 Winburne, PA5.1 km away
16860 Munson, PA8.2 km away
16821 Allport, PA8.7 km away
16859 Moshannon, PA9.1 km away
16858 Morrisdale, PA10.5 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.

Clearfield County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area1.11 sq mi
Population density393 people per sq mi
Latitude, longitude41.0036, -78.1104

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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