ZIP code 18631: Mifflinville, PA
18631 is a ZIP code in Mifflinville, Pennsylvania, mainly in Columbia County, part of the Bloomsburg-Berwick, PA micro area. About 1,100 people live here.
- Population
- 1,100
- Median household income
- $46,125
- Typical home value
- $214,100ACS median value
- Median rent
- $959gross, per month
- Median age
- 47
- Homeowners
- 78.3%of occupied homes
Shaded: ZIP code 18631's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 18631 details
| City | Mifflinville |
|---|---|
| State | Pennsylvania |
| County | Columbia County |
| Metro area | Bloomsburg-Berwick, PA |
| Time zone | Eastern Time (UTC−5), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 1.4 sq mi, plus 0.2 sq mi of water |
| Population density | 775 people per sq mi |
| Bachelor's degree or higher | 29.6% of adults 25+ |
| Average commute | 21.3 minutes |
| Center coordinates | 41.03071, -76.30278 |
ZIP codes near 18631
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 18603 | Berwick, PA | 4.6 mi | 18,827 |
| 18635 | Nescopeck, PA | 5.3 mi | 3,734 |
| 17815 | Bloomsburg, PA | 6.6 mi | 29,790 |
| 18601 | Beach Haven, PA | 7.1 mi | — |
| 18246 | Rock Glen, PA | 7.6 mi | 84 |
| 17859 | Orangeville, PA | 7.8 mi | 2,701 |
| 17985 | Zion Grove, PA | 8.4 mi | 1,237 |
| 18241 | Nuremberg, PA | 9.3 mi | 249 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 18631?
A typical home in ZIP code 18631 is worth about $214,100 (ACS median value). The median household here earns $46,125 a year. See what buying here would cost per month, with Pennsylvania average taxes and insurance filled in.
Monthly payment for a $214,100 homeWhat can a $46,125 income afford?Rental property numbers
About ZIP code 18631
What city is ZIP code 18631?
ZIP code 18631 is in Mifflinville, PA, in Columbia County.
What county is ZIP code 18631 in?
18631 is mainly in Columbia County, Pennsylvania.
What is the population of ZIP code 18631?
About 1,100 people live in ZIP code 18631, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 18631 in?
18631 is in Eastern Time (UTC−5). It observes daylight saving time.