Postal Codes

17851 ZIP Code

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ZIP code 17851 covers Mount Carmel, Pennsylvania, with a population of about 7,174 and a median household income of $53,808.

Population
7,174479 per square mile
Median age
44.25.5 points above the US average
Median household income
$53,80829% below the Pennsylvania median
Poverty rate
15.9%3.5 points above the US average
Typical home value
$56,659up 21.5% in five years
Median rent
$80231% below the Pennsylvania median
Degree or higher
17.1%17.9 points below the US average
Homeownership
76.4%11.4 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
104

Where 17851 is

Mount Carmel, 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

Population7,174
Median age44.2
Family households62.4%
Born outside the US1.8%
Speaks a language other than English at home3.6%
White (non-Hispanic)92.5%
Black (non-Hispanic)1.1%
Asian (non-Hispanic)0.3%
Hispanic or Latino3.8%
Veterans9.4%
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$53,808
Income per person$27,351
Poverty rate15.9%
Households on SNAP or cash assistance25.5%

Household income distribution

Under $10k4.0%
$10–15k4.8%
$15–20k5.8%
$20–25k9.2%
$25–30k3.5%
$30–35k3.2%
$35–40k2.1%
$40–45k2.7%
$45–50k7.3%
$50–60k12.5%
$60–75k9.0%
$75–100k15.3%
$100–125k12.1%
$125–150k4.7%
$150–200k3.3%
$200k or more0.4%

Income as declared to the IRS

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

Tax returns filed3,290
Mean adjusted gross income$45,793
Returns declaring $200,000 or more0.9%
Returns, under $25k37.4%
Returns, $25k–$50k28.9%
Returns, $50k–$75k16.1%
Returns, $75k–$100k8.2%
Returns, $100k–$200k8.5%
Returns, $200k or more0.9%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$73,200
Median gross rent$802
Rent as a share of household income25.5%
Owner-occupied76.4%
Vacant homes23.9%
Median year built1938

What the homes are

Detached house36.5%
Attached house49.8%
2 to 4 units8%
5 to 19 units2.2%
20 or more units2.4%
Mobile home1.1%
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$56,659as of 2026-07
Typical home value, 1 yeardown 4.7%
Typical home value, 5 yearsup 21.5%
Typical home value, 10 yearsup 36.3%
Typical home value since 2000
200920172026$59,425$37,782

$45,284 in 2009 to $56,659 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate7%
Bachelor's degree or higher17.1%
High school diploma or higher89.7%
Works from home6.1%
Drives to work alone75.4%
Takes public transport0%
Commutes 45 minutes or more17.1%
Health

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

Colorectal screening65.8% 1.5 pts above the national average of 64.3%
Visited a dentist59.1% 2.2 pts below the national average of 61.3%
Mammography use76.1% same as the national average of 75.9%
Sleeps under 7 hours38.9% 2.5 pts above the national average of 36.4%
All natural teeth lost16.6% 3.6 pts above the national average of 13%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments104
People employed1,284
Annual payroll$47,637,000
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 41.9% of US census tracts
FEMA ratingRelatively Low
Expected annual loss30 out of 100
Community resilience82.6 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.

Winter weather91.3Relatively High at its worst in this ZIP code
Strong wind89.6Relatively High at its worst in this ZIP code
Landslide85.2Relatively Low at its worst in this ZIP code
Ice storm78.4Relatively Moderate at its worst in this ZIP code
Hurricane76.6Relatively Low at its worst in this ZIP code
Lightning68.8Relatively Moderate at its worst in this ZIP code
River flooding64.8Relatively Moderate at its worst in this ZIP code
Wildfire64.8Very Low at its worst in this ZIP code
Earthquake53.2Relatively Low at its worst in this ZIP code
Tornado51.4Relatively Low at its worst in this ZIP code
Cold wave40.4Relatively Low at its worst in this ZIP code
Hail37.5Relatively Low at its worst in this ZIP code
Heat wave31.1Relatively 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$53,808$76,081$78,538
Income per person$27,351$43,104$43,289
Poverty rate15.9%11.8%12.4%
Median home value$73,200$240,500$303,400
Median gross rent$802$1,162$1,348
Homeownership76.4%69.3%65%
Bachelor's degree or higher17.1%34.5%35%
Unemployment rate7%5.2%5.2%
Works from home6.1%13.8%13.5%
Born outside the US1.8%7.4%13.9%
Median age44.240.938.7
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 stationBEAR GAP, PA US7.2 km away
Rain in a year48 in
Snow in a year34 in

Average high and low by month

January34.8°F / 19.3°F3.54 in rain, 9.3 in snow
February38.3°F / 21.9°F2.53 in rain, 8.9 in snow
March47.7°F / 28.6°F3.68 in rain, 7.7 in snow
April60.7°F / 38.7°F4.27 in rain, 0.8 in snow
May71.4°F / 48.1°F4.15 in rain
June78.9°F / 57.2°F4.77 in rain
July83.7°F / 61.3°F4.36 in rain
August80.3°F / 60.4°F4.09 in rain
September74.2°F / 52.9°F5.2 in rain
October62.2°F / 42.4°F4.26 in rain, 0.4 in snow
November49.8°F / 33.1°F3.5 in rain, 1.8 in snow
December39.7°F / 25.4°F3.66 in rain, 4.6 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 supermarket95% 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%.

Mount Carmel 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 vulnerability45more vulnerable than 45% of US census tracts
Socioeconomic status36more vulnerable than 36% of US census tracts
Household characteristics38more vulnerable than 38% of US census tracts
Racial and ethnic minority status1more vulnerable than 1% of US census tracts
Housing type and transport81more vulnerable than 81% of US census tracts
Walkability7 out of 20Below average
Nearby ZIP codes

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

17888 Wilburton, PA2.9 km away
17840 Locust Gap, PA3 km away
17832 Marion Heights, PA4 km away
17945 Locustdale, PA4.2 km away
17834 Kulpmont, PA4.6 km away
17943 Lavelle, PA4.7 km away
17920 Aristes, PA6.3 km away
17921 Ashland, PA6.9 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.

Northumberland County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area14.99 sq mi
Water area0.14 sq mi
Population density479 people per sq mi
Latitude, longitude40.7955, -76.4195

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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