Home > PA > Northumberland County > Mount Carmel > Zip 17851

Zip Code 17851 — Mount Carmel, PA

ZIP Code 17851 is associated with Mount Carmel, PA, in Northumberland County. The listed population estimate is 7,234; estimated density is 186.4 people per square mile. Among records with population estimates, it ranks #6 of 22 in Northumberland County and #523 of 1,811 in PA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (40.802550, -76.433000)

Data MetricLocal Statistic
Postal / Zip Code17851
Primary CityMount Carmel
State / ProvincePA
CountyNorthumberland
Total Population7,234
Population Density186.4 people/sq mi
TimezoneAmerica/New_York

How 17851 Compares

MetricZIP 17851Northumberland County recordsPA records
Population estimate7,23483,042 (sum)13,018,637 (sum)
Population Density186.4 /sq mi----
County population rank#6 of 22----
State population rank#523 of 1,811----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in PA

ZIP CodeCityDistancePopulation estimate
ZIP 17832Marion Heights1.2 mi578
ZIP 17840Locust Gap1.9 mi188
ZIP 17834Kulpmont2.4 mi3,480
ZIP 17858Numidia2.8 mi111
ZIP 17945Locustdale3.3 mi133

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →