Columbia County, PA ZIP codes
There are 13 ZIP codes in Columbia County, PA, in 13 towns, from 17814 to 18631. The largest are 17815 (Bloomsburg), 18603 (Berwick) and 17820 (Catawissa).
The county seat is Bloomsburg.
- ZIP codes
- 13
- Towns
- 13
- County seat
- Bloomsburg
- County FIPS
42037- State
- Pennsylvania
- Population
- 65,362
- Median household income
- $64,644
- Land area
- 483 sq mi
- Metro area
- Bloomsburg-Berwick
Columbia County ZIP codes by town
- Bloomsburg (county seat)
- 17815
Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.
Map of Columbia County ZIP codes
The ZIP codes of Columbia County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Columbia County in numbers
About 65,362 people live in Columbia County, in 26,350 households, the 39th most populous of Pennsylvania's 67 counties. The median household income is $64,644 a year, 17% below the Pennsylvania median of $77,971 (US: $80,734). The median owner-occupied home is valued at $206,200 (19% below the Pennsylvania median), and median gross rent is $943 a month. The median age is 41.0; 26.6% of adults 25 and over hold a bachelor's degree or higher (35.2% across Pennsylvania); the average commute takes 22 minutes.
| Population | 65,362 |
|---|---|
| Households | 26,350 |
| Median age | 41.0 |
| Median household income | $64,644 |
| Median home value | $206,200 |
| Median gross rent | $943 |
| Bachelor's degree or higher | 26.6% |
| Mean commute | 21.7 min |
| Population density | 135 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.
Largest towns in Columbia County
| Town | ZIP codes | Population |
|---|---|---|
| Bloomsburg | 1 | 13,024 |
| Berwick | 1 | 10,317 |
| Elysburg | 1 | 2,492 |
| Catawissa | 1 | 1,536 |
| Mifflinville | 1 | 1,193 |
| Millville | 1 | 943 |
| Benton | 1 | 485 |
| Wilburton | 1 | 446 |
| Orangeville | 1 | 421 |
| Numidia | 1 | 307 |
| Aristes | 1 | 246 |
| Stillwater | 1 | 169 |
| Locustdale | 1 | 133 |
Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.
Neighbouring counties
Counties that share a ZIP code with Columbia County.
- Luzerne County (57)
- Schuylkill County (54)
- Lycoming County (22)
- Northumberland County (23)
- Montour County (4)
- Sullivan County (9)
Not sure you are in Columbia County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Columbia County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
17814 | Benton , PA | Standard | 4,669 | $65,089 | $224,800 |
17815 | Bloomsburg , PA | Standard | 29,790 | $67,510 | $222,900 |
17820 | Catawissa , PA | Standard | 5,499 | $67,685 | $214,800 |
17824 | Elysburg , PA | Standard | 3,949 | $118,176 | $244,900 |
17846 | Millville , PA | Standard | 3,621 | $66,591 | $224,700 |
17858 | Numidia , PA | Standard | 111 | $81,250 | $228,900 |
17859 | Orangeville , PA | Standard | 2,701 | $75,515 | $224,800 |
17878 | Stillwater , PA | Standard | 1,488 | $68,125 | $214,100 |
17888 | Wilburton , PA | Standard | 446 | — | $156,300 |
17920 | Aristes , PA | Standard | 246 | — | $150,000 |
17945 | Locustdale , PA | Standard | 133 | $24,813 | $41,400 |
18603 | Berwick , PA | Standard | 18,827 | $60,352 | $170,500 |
18631 | Mifflinville , PA | Standard | 1,100 | $46,125 | $214,100 |
Cite this page
zipcodes.pro. “Columbia County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/pa/county/columbia
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