County ProfilePA
Northumberland County
Population: 91,647 · 24 ZIP codes
Demographics
Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.
People
Total population
91,647
People
Median age
44.5
Housing
Total households
37,886
Income
Median household income
$60,583
Housing
Total housing units
43,395
Employment
Employment rate
54.4%
Education
Bachelor’s degree or higher
19.4%
Healthcare
Insured population
94.9%
County details
Local time 01:53:36(ET)| Name | Northumberland |
|---|---|
| Total ZIP codes | 24total |
| ZIP codes (by type) | 18 Standard6 PO Box |
| Area code | 223, 272, 570, 717 |
| Timezone | Eastern Time (ET) |
| Coordinates | 40.8515244, -76.709877 |
| Land area | 457.7 sq miles(1,185.4 km²) |
Map of Northumberland county, Pennsylvania with ZIP codes
Cities and Communities in Northumberland County
Compare the largest cities in Northumberland County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.
| City | Population | Median incomeHousehold | ZIP codes |
|---|---|---|---|
| Coal Township | 10,105 | — | 1ZIPs |
| Sunbury | 9,719 | $51,028 | 1ZIPs |
| Shamokin | 6,942 | $39,690 | 1ZIPs |
| Milton | 6,609 | $54,577 | 1ZIPs |
| Mount Carmel | 5,725 | $53,021 | 1ZIPs |
| Northumberland | 3,911 | $66,477 | 1ZIPs |
| Kulpmont | 2,758 | $49,785 | 1ZIPs |
| Watsontown | 2,237 | $60,051 | 1ZIPs |
| Paxinos | 2,172 | — | 1ZIPs |
| Elysburg | 2,152 | $121,511 | 1ZIPs |
| Trevorton | 1,759 | $59,167 | 1ZIPs |
| Dewart | 1,385 | $79,542 | 1ZIPs |
| Dornsife | 1,225 | — | 1ZIPs |
| Montandon | 873 | $52,500 | 1ZIPs |
| Turbotville | 677 | $101,406 | 1ZIPs |
| Marion Heights | 560 | $52,569 | 1ZIPs |
| Dalmatia | 475 | $54,583 | 1ZIPs |
| Herndon | 347 | $75,000 | 1ZIPs |
| Riverside | 319 | $54,479 | 1ZIPs |
| Locust Gap | 295 | — | 1ZIPs |
| Mc Ewensville | 291 | — | 1ZIPs |
| Leck Kill | 184 | — | 1ZIPs |
| Rebuck | 181 | — | 1ZIPs |
| Potts Grove | 57 | — | 1ZIPs |
— Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.
ZIP Codes in Northumberland County
Review the most populated postal areas across Northumberland County. Use the ranking below to compare resident density and demographic scales between the county's major zones.
| ZIP | City | Median incomeHousehold | Population (ZIP) |
|---|---|---|---|
| 17801 | Sunbury | $60,664 | 16,332 |
| 17847 | Milton | $58,775 | 11,703 |
| 17866 | Coal Township | $51,010 | 10,105 |
| 17872 | Shamokin | $48,750 | 9,223 |
| 17857 | Northumberland | $67,298 | 7,743 |
| 17851 | Mount Carmel | $53,637 | 7,256 |
| 17777 | Watsontown | $67,188 | 6,769 |
| 17824 | Elysburg | $118,176 | 3,997 |
| 17834 | Kulpmont | $56,167 | 3,411 |
| 17772 | Turbotville | $81,146 | 2,433 |
| 17860 | Paxinos | $92,000 | 2,172 |
| 17830 | Herndon | $73,942 | 2,017 |
| 17017 | Dalmatia | $82,396 | 1,723 |
| 17881 | Trevorton | $54,122 | 1,477 |
| 17823 | Dornsife | $78,864 | 1,225 |
| 17868 | Riverside | $76,250 | 774 |
| 17850 | Montandon | $51,429 | 595 |
| 17832 | Marion Heights | $52,569 | 581 |
| 17840 | Locust Gap | — | 295 |
| 17749 | Mc Ewensville | $74,500 | 291 |
Data Sources & Citations
The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:
- United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
- United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS