ZIP code
17584
Willow Street, PA
17584 covers Willow Street in Lancaster County, with 11,776 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 17584. Methodology
ZIP code map of 17584

About ZIP code 17584
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 17584. Not ACS. Methodology
People in 17584
Race
- White9,342
- Black or African American178
- American Indian or Alaska Native21
- Asian103
- Other race286
- Two or more races479
Hispanic or Latino (any race): 625
Age
- Under 10959
- 10 to 191,156
- 20 to 291,017
- 30 to 39989
- 40 to 49976
- 50 to 591,199
- 60 to 691,286
- 70 to 791,340
- 80 and older1,487
Income and housing in 17584
Education
- High school graduate95.5%
- Bachelor's degree42.0%
- Graduate degree16.9%
Places covering 17584
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.
- Willow Street69.2%
- Refton1.5%
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.
- Lancaster 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
29.3% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 17584
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 9,173 | |
| 2006 | 8,730 | |
| 2007 | 8,885 | |
| 2008 | 8,743 | |
| 2009 | 8,631 | |
| 2010 | 8,648 | |
| 2011 | 9,177 | 8,741 |
| 2012 | 8,972 | 8,720 |
| 2013 | 8,876 | 8,640 |
| 2014 | 8,908 | 8,660 |
| 2015 | 8,784 | 8,740 |
| 2016 | 8,988 | 9,120 |
| 2017 | 9,770 | 9,290 |
| 2018 | 10,085 | 9,420 |
| 2019 | 10,585 | 9,410 |
| 2020 | 10,669 | 9,710 |
| 2021 | 11,134 | 9,590 |
| 2022 | 11,521 | 9,850 |
| 2023 | 11,776 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 17584
12 nearest ZIP centroids (any distance)
- 17568Refton1.8 miPop 0 · Income —
- 17560New Providence3.8 miPop 5,452 · Income $63,963
- 17602Lancaster3.9 miPop 51,461 · Income $71,752
- 17579Strasburg4.5 miPop 6,373 · Income $82,298
- 17504Bausman5.6 miPop 99 · Income $87,206
- 17551Millersville5.9 miPop 11,884 · Income $69,729
- 17603Lancaster6.0 miPop 66,788 · Income $77,156
- 17565Pequea6.1 miPop 2,335 · Income $104,531
- 17576Smoketown6.4 miPop 109 · Income —
- 17611Lancaster6.5 miPop — · Income —
- 17516Conestoga6.8 miPop 5,241 · Income $108,942
- 17572Ronks6.8 miPop 3,774 · Income $79,613
ZIP centroids within 2 miles
| ZIP | City | State | Distance (miles) | ACS population | Median income |
|---|---|---|---|---|---|
| 17568 | Refton | PA | 1.8 mi | 0 | — |
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 17584 FAQ
- What city is ZIP code 17584 in?
- 17584 is in Willow Street, PA.
- What county is 17584 in?
- 17584 is in Lancaster County.
- What is the median household income in 17584?
- The median household income in 17584 is $106,363.
- Which ZIP codes are near 17584?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 17584.