Zip Code 17858 — Numidia, PA

ZIP Code 17858 is associated with Numidia, PA, in Columbia County. The listed population estimate is 111; estimated density is 135.1 people per square mile. Among records with population estimates, it ranks #13 of 13 in Columbia County and #1695 of 1,811 in PA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (40.842380, -76.423140)

Data MetricLocal Statistic
Postal / Zip Code17858
Primary CityNumidia
State / ProvincePA
CountyColumbia
Total Population111
Population Density135.1 people/sq mi
TimezoneAmerica/New_York

How 17858 Compares

MetricZIP 17858Columbia County recordsPA records
Population estimate11172,580 (sum)13,018,637 (sum)
Population Density135.1 /sq mi----
County population rank#13 of 13----
State population rank#1695 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 17851Mount Carmel2.8 mi7,234
ZIP 17832Marion Heights3.0 mi578
ZIP 17888Wilburton3.1 mi446
ZIP 17824Elysburg4.1 mi3,949
ZIP 17820Catawissa4.1 mi5,499

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 →