ZIP code
17840
Locust Gap, PA
17840 covers Locust Gap in Northumberland County, with 197 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 17840. Methodology
ZIP code map of 17840

About ZIP code 17840
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 17840. Not ACS. Methodology
People in 17840
Race
- White284
- Asian3
- Other race2
- Two or more races6
Hispanic or Latino (any race): 1
Age
- Under 1028
- 10 to 1932
- 20 to 2920
- 30 to 3926
- 40 to 4940
- 50 to 5963
- 60 to 6958
- 70 to 7918
- 80 and older10
Income and housing in 17840
Education
- High school graduate100.0%
- Bachelor's degree0.0%
- Graduate degree0.0%
Places covering 17840
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.
No place overlap rows for this ZIP.
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.
- Northumberland 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
100.0% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 17840
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 317 | |
| 2006 | 316 | |
| 2007 | 359 | |
| 2011 | 528 | |
| 2012 | 524 | |
| 2013 | 511 | |
| 2014 | 429 | |
| 2015 | 327 | |
| 2016 | 374 | 250 |
| 2017 | 435 | 250 |
| 2018 | 463 | 260 |
| 2019 | 598 | 230 |
| 2020 | 568 | 220 |
| 2021 | 406 | 220 |
| 2022 | 363 | 220 |
| 2023 | 197 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 17840
12 nearest ZIP centroids (any distance)
- 17851Mount Carmel2.0 miPop 7,174 · Income $53,808
- 17834Kulpmont2.1 miPop 3,525 · Income $58,750
- 17832Marion Heights2.6 miPop 694 · Income $41,250
- 17943Lavelle2.6 miPop 67 · Income —
- 17945Locustdale2.9 miPop 191 · Income $25,625
- 17921Ashland3.8 miPop 7,029 · Income $71,600
- 17888Wilburton4.0 miPop 497 · Income —
- 17858Numidia4.7 miPop 68 · Income —
- 17936Gordon4.8 miPop 1,004 · Income $82,344
- 17920Aristes5.7 miPop 208 · Income $77,917
- 17964Pitman6.7 miPop 976 · Income $66,563
- 17824Elysburg7.3 miPop 3,840 · Income $114,653
ZIP centroids within 2 miles
| ZIP | City | State | Distance (miles) | ACS population | Median income |
|---|---|---|---|---|---|
| 17851 | Mount Carmel | PA | 2.0 mi | 7,174 | $53,808 |
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 17840 FAQ
- What city is ZIP code 17840 in?
- 17840 is in Locust Gap, PA.
- What county is 17840 in?
- 17840 is in Northumberland County.
- What is the median household income in 17840?
- The median household income in 17840 is $69,087.
- Which ZIP codes are near 17840?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 17840.