Postal Codes

17584 ZIP Code

Advertisement

English Español

ZIP code 17584 covers Willow Street, Pennsylvania, with a population of about 11,776 and a median household income of $106,363.

Population
11,776795 per square mile
Median age
44.35.6 points above the US average
Median household income
$106,3631.4× the Pennsylvania median
Poverty rate
5.6%6.8 points below the US average
Typical home value
$381,892up 33.6% in five years
Median rent
$2,0221.7× the Pennsylvania median
Degree or higher
41.9%6.9 points above the US average
Homeownership
58.1%6.9 points below the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
236

Where 17584 is

Willow Street, Pennsylvania — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population11,776
Median age44.3
Family households75.2%
Born outside the US6.3%
Speaks a language other than English at home8%
White (non-Hispanic)84.2%
Black (non-Hispanic)2.3%
Asian (non-Hispanic)2.5%
Hispanic or Latino7.6%
Veterans11.6%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$106,363
Income per person$49,023
Poverty rate5.6%
Households on SNAP or cash assistance2.6%

Household income distribution

Under $10k3.5%
$10–15k1.4%
$15–20k1.6%
$20–25k1.7%
$25–30k0.8%
$30–35k0.8%
$35–40k1.6%
$40–45k2.6%
$45–50k3.4%
$50–60k3.5%
$60–75k10.6%
$75–100k12.6%
$100–125k15.7%
$125–150k13.4%
$150–200k14.5%
$200k or more12.0%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed5,450
Mean adjusted gross income$87,405
Returns declaring $200,000 or more7.2%
Returns, under $25k22.4%
Returns, $25k–$50k19.3%
Returns, $50k–$75k15.8%
Returns, $75k–$100k12.7%
Returns, $100k–$200k22.8%
Returns, $200k or more7.2%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$296,800
Median gross rent$2,022
Rent as a share of household income35.2%
Owner-occupied58.1%
Vacant homes6.6%
Median year built1987

What the homes are

Detached house50.9%
Attached house19%
2 to 4 units5.2%
5 to 19 units5.5%
20 or more units17.6%
Mobile home1.7%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$381,892as of 2026-07
Typical home value, 1 yearup 4.8%
Typical home value, 5 yearsup 33.6%
Typical home value, 10 yearsup 83%
Typical asking rent$1,956as of 2026-07
Typical home value since 2000
200320142026$381,892$152,057

$152,057 in 2003 to $381,892 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate2.2%
Bachelor's degree or higher41.9%
High school diploma or higher95.5%
Works from home12.5%
Drives to work alone79.4%
Takes public transport0.2%
Commutes 45 minutes or more12.6%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Colorectal screening71.9% 7.6 pts above the national average of 64.3%
Visited a dentist71.8% 10.5 pts above the national average of 61.3%
Mammography use77.3% 1.4 pts above the national average of 75.9%
Sleeps under 7 hours34.1% 2.3 pts below the national average of 36.4%
All natural teeth lost9.3% 3.7 pts below the national average of 13%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments236
People employed3,799
Annual payroll$160,895,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 60.1% of US census tracts
FEMA ratingRelatively Low to Relatively High across the 5 census tracts this ZIP code covers
Expected annual loss57.2 out of 100
Community resilience58.7 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Winter weather94.2Very High at its worst in this ZIP code
Drought91Relatively Moderate at its worst in this ZIP code
Hurricane85.8Relatively Moderate at its worst in this ZIP code
Landslide76.7Relatively Low at its worst in this ZIP code
River flooding74.4Relatively High at its worst in this ZIP code
Lightning73Relatively High at its worst in this ZIP code
Earthquake68.2Relatively Low at its worst in this ZIP code
Heat wave63Relatively Moderate at its worst in this ZIP code
Strong wind63Relatively Moderate at its worst in this ZIP code
Cold wave62.9Relatively Moderate at its worst in this ZIP code
Hail60.8Relatively Moderate at its worst in this ZIP code
Ice storm54.9Relatively Low at its worst in this ZIP code
Wildfire49Very Low at its worst in this ZIP code
Tornado42.1Relatively Low at its worst in this ZIP code
Advertisement
Compared with Pennsylvania and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPPennsylvaniaUnited States
Median household income$106,363$76,081$78,538
Income per person$49,023$43,104$43,289
Poverty rate5.6%11.8%12.4%
Median home value$296,800$240,500$303,400
Median gross rent$2,022$1,162$1,348
Homeownership58.1%69.3%65%
Bachelor's degree or higher41.9%34.5%35%
Unemployment rate2.2%5.2%5.2%
Works from home12.5%13.8%13.5%
Born outside the US6.3%7.4%13.9%
Median age44.340.938.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationLANCASTER 2NE FLTR PLT, PA US9.2 km away
Rain in a year44 in
Snow in a year21 in

Average high and low by month

January39.9°F / 22.2°F3.01 in rain, 6.1 in snow
February42.8°F / 23.6°F2.52 in rain, 7.4 in snow
March52°F / 30.9°F3.5 in rain, 3.4 in snow
April64.6°F / 40.5°F3.54 in rain, 0.2 in snow
May74.5°F / 50.4°F3.65 in rain
June82.7°F / 59.7°F4.09 in rain
July87°F / 64.7°F4.51 in rain
August85.1°F / 63°F3.6 in rain
September78.2°F / 55.6°F4.82 in rain
October66.4°F / 43.7°F4.18 in rain, 0.3 in snow
November54.8°F / 34°F3.26 in rain, 0.6 in snow
December44.4°F / 27.1°F3.47 in rain, 3.4 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarket61% of this ZIP code's area
No vehicle and far from a supermarket54% of this ZIP code's area
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 3 school districts, so the address decides which one, not the ZIP code.

Lampeter-Strasburg School District50.1% of this ZIP code's land area
Penn Manor School District36.6% of this ZIP code's land area
Solanco School District13.2% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability29more vulnerable than 29% of US census tracts
Socioeconomic status26more vulnerable than 26% of US census tracts
Household characteristics36more vulnerable than 36% of US census tracts
Racial and ethnic minority status15more vulnerable than 15% of US census tracts
Housing type and transport47more vulnerable than 47% of US census tracts
Walkability6 out of 20Below average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

17583 West Willow, PA1.2 km away
17537 Lampeter, PA3.9 km away
17568 Refton, PA4.3 km away
17503 Bart, PA6 km away
17564 Penryn, PA6 km away
17605 Lancaster, PA6 km away
17607 Lancaster, PA6 km away
17608 Lancaster, PA6 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Lancaster County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area14.82 sq mi
Water area0.14 sq mi
Population density795 people per sq mi
Latitude, longitude39.9670, -76.2752

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

Advertisement