| ZIP Codes: | 25 ZIP Codes (18 Standard, 7 PO Box, 0 Unique) [See All] |
| Area Codes: | 223 / 272 / 570 / 717 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:13:32 PM |
| Population: | 89,684 [See All] |
| FIPS: | 42097 |
| CBSA: | Sunbury, PA |
| Land Area: | 462 sq mi |
| Water Area: | 24 sq mi |
| Coordinates: | 40.8646, -76.6874 |
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89,684 residents live across 25 ZIPs covering 462 sq mi, served by 25 distinct USPS-recognized cities.
Population moved from 93,883 to 89,684 from 2014 to 2024 — a -4.5% change. 6 ZIPs gained residents, 18 lost.
The county's wealthiest ZIP 17824 (Elysburg, $118,176 median) and poorest ZIP 17872 (Shamokin, $48,750) are 11.0 miles apart — a 2.4× income gap across local geography.
Median home values vary 3.5× across this county — from $79,300 in 17851 (Mount Carmel) to $275,800 in 17860 (Paxinos).
Density varies 346× across the county — from 39 people/sq mi in 17823 (Dornsife) to 13,669 in 17868 (Riverside).
Educational attainment ranges from 9.0% bachelor's+ in 17866 (Coal Township) to 44.4% in 17824 (Elysburg) — the breadth of educational profiles across the area.
Within Pennsylvania, this is the #32 most populous of 67 counties and ranks #36 for median household income .
Weighted by population, the typical household earns about $63,448 across the county — reflecting what a typical resident sees, not a simple ZIP average.
19.1% of adults age 25+ hold a bachelor's degree or higher (12,627 of 65,996 reporting).
18 Standard delivery, 7 PO Box only, 0 single-entity Unique ZIPs serve this county.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 17801 | Sunbury | Standard | 16,429 | $60,664 | 72.7 | 0.9% |
| 17847 | Milton | Standard | 11,260 | $58,775 | 47.1 | -6.3% |
| 17866 | Coal Township | Standard | 9,769 | $51,010 | 23.2 | -6.8% |
| 17872 | Shamokin | Standard | 8,894 | $48,750 | 36.3 | -8.5% |
| 17857 | Northumberland | Standard | 7,671 | $67,298 | 28.0 | 2.3% |
| 17851 | Mount Carmel | Standard | 7,234 | $53,637 | 17.6 | -5.2% |
| 17777 | Watsontown | Standard | 7,030 | $67,188 | 38.5 | -2.8% |
| 17824 | Elysburg | Standard | 3,949 | $118,176 | 28.3 | 6.4% |
| 17834 | Kulpmont | Standard | 3,480 | $56,167 | 6.0 | -6.9% |
| 17772 | Turbotville | Standard | 2,693 | $81,146 | 22.3 | 6.9% |
| 17860 | Paxinos | Standard | 2,332 | $92,000 | 33.2 | -5.5% |
| 17830 | Herndon | Standard | 1,938 | $73,942 | 31.5 | -7.4% |
| 17017 | Dalmatia | Standard | 1,509 | $82,396 | 28.0 | -14.2% |
| 17881 | Trevorton | Standard | 1,479 | $54,122 | 5.4 | 0.8% |
| 17823 | Dornsife | Standard | 1,258 | $78,864 | 31.9 | -1.8% |
| 17868 | Riverside | PO Box | 719 | $76,250 | 0.1 | -42.1% |
| 17832 | Marion Heights | PO Box | 578 | $52,569 | 0.2 | -11.2% |
| 17850 | Montandon | PO Box | 576 | $51,429 | 0.3 | -7.5% |
| 17867 | Rebuck | Standard | 239 | $75,833 | 3.1 | 73.2% |
| 17749 | Mc Ewensville | PO Box | 234 | $74,500 | 0.0 | -22.5% |
| 17836 | Leck Kill | Standard | 190 | $91,250 | 7.0 | -10.4% |
| 17840 | Locust Gap | Standard | 188 | — | 0.8 | -56.2% |
| 17865 | Potts Grove | PO Box | 24 | $37,083 | 0.0 | -79.5% |
| 17730 | Dewart | PO Box | 11 | — | 0.0 | -95.9% |
| 17877 | Snydertown | PO Box | — | — | 0.0 | — |