ZIP code
18631
Mifflinville, PA
18631 covers Mifflinville in Columbia County, with 1,109 people in the ACS 2023 estimate.
Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 18631. Methodology
ZIP code map of 18631
About ZIP code 18631
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 18631. Not ACS. Methodology
People in 18631
Race
- White1,074
- Black or African American3
- American Indian or Alaska Native1
- Asian2
- Native Hawaiian and Pacific Islander7
- Other race8
- Two or more races27
Hispanic or Latino (any race): 27
Age
- Under 1099
- 10 to 19119
- 20 to 29135
- 30 to 39124
- 40 to 49142
- 50 to 59142
- 60 to 69181
- 70 to 79131
- 80 and older49
Income and housing in 18631
Education
- High school graduate97.9%
- Bachelor's degree28.5%
- Graduate degree8.5%
Places covering 18631
Cities and places — Population overlap
Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- Mifflinville99.6%
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Counties — Population overlap
Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- Columbia County100.0%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
0.4% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 18631
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 1,180 | |
| 2006 | 1,158 | |
| 2007 | 1,225 | |
| 2008 | 1,112 | |
| 2011 | 1,262 | |
| 2012 | 1,194 | |
| 2013 | 1,380 | |
| 2014 | 1,376 | |
| 2015 | 1,386 | |
| 2016 | 1,394 | 1,010 |
| 2017 | 1,287 | |
| 2018 | 1,257 | |
| 2019 | 1,180 | |
| 2020 | 973 | |
| 2021 | 904 | |
| 2022 | 1,134 | |
| 2023 | 1,109 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 18631
12 nearest ZIP centroids (any distance)
- 18603Berwick4.6 miPop 18,985 · Income $55,969
- 18635Nescopeck5.3 miPop 3,640 · Income $70,774
- 17815Bloomsburg6.6 miPop 29,324 · Income $66,145
- 18246Rock Glen7.6 miPop 152 · Income $158,306
- 17859Orangeville7.8 miPop 2,637 · Income $70,577
- 17985Zion Grove8.4 miPop 1,265 · Income $69,375
- 18241Nuremberg9.3 miPop 293 · Income $71,625
- 17878Stillwater10.1 miPop 1,573 · Income $76,875
- 18249Sugarloaf10.2 miPop 4,161 · Income $95,820
- 18256Weston10.2 miPop 164 · Income —
- 17820Catawissa10.7 miPop 5,528 · Income $68,304
- 18622Huntington Mills11.9 miPop 265 · Income $67,679
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 18631, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
Default is 2 miles. Distances are between ZIP centroids. Widen the radius if nothing is in range.
ZIP code 18631 FAQ
- What city is ZIP code 18631 in?
- 18631 is in Mifflinville, PA.
- What county is 18631 in?
- 18631 is in Columbia County.
- What is the median household income in 18631?
- The median household income in 18631 is $49,643.
- Which ZIP codes are near 18631?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 18631.