17584 ZIP Code — Willow Street, PA

Lancaster County, Pennsylvania

ZIP code 17584 is located in Willow Street, Pennsylvania, within Lancaster County. It covers approximately 14.82 square miles and serves a population of 11,521 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 717/223.

About ZIP code 17584

The housing stock consists of a mix of housing types. Most homes were built in the 1980s, giving the area an established character. Median home value is $290,200. Owner-occupancy sits near the national average at 61%.

Median household income is $101,273. The poverty rate of 5% is below the national average. 47% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 29 minutes is near the national average.

Educational attainment is near the national average, with 39% of residents holding a bachelor's degree or higher.

Notable community characteristics include a notable veteran presence at 12% of civilians, above the national average of 7%.

Overall, ZIP code 17584 reflects a community defined by a strong veteran community and a significant Social Security-dependent population.

11,521

population

14.82

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

17584 ZIP code map

Cities in ZIP code 17584

Below are the cities the US Postal Service accepts for ZIP code 17584. Using any city not on this list may result in mail delivery delays.

City	Status
Willow Street	Acceptable
Willow Street	Preferred

Nearby ZIP codes

17602 Lancaster (3.2 mi) 17560 New Providence (4.1 mi) 17579 Strasburg (4.2 mi) 17699 Lancaster (5.5 mi) 17565 Pequea (5.6 mi) 17622 Lancaster (5.8 mi) 17576 Smoketown (5.9 mi) 17603 Lancaster (6.1 mi) 17573 Lancaster (6.3 mi) 17551 Millersville (6.5 mi) 17572 Ronks (6.6 mi) 17611 Lancaster (6.7 mi)

Demographics updated 06/2026

Population
Total population	11,521
Population density	777 / sq mi
State FIPS	42
County FIPS	071

Geography
Land area	14.82 sq mi
Water area	0.14 sq mi
Latitude	39.9662
Longitude	-76.2578
Timezone	Eastern (ET)
Area code	717/223

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	23.3%	34.0%	39.8%
$50k – $100k	38.4%	35.3%	30.8%
$100k – $200k	34.1%	24.8%	22.4%
Over $200k	4.1%	6.0%	7.1%

Demographics & statistics

11,521

Population

777

People per sq mi

45.3

Median age

$101,273

Median household income

$47,209

Per capita income

$290,200

Median home value

$1,837

Median monthly rent

60.6%

Home ownership

5.0%

Poverty rate

2.7%

Unemployment

3,065

Housing units

38.5%

Bachelor's or higher

Age distribution

Male Female

266

Under 5

275

207

5–9

213

338

10–14

348

423

15–19

437

321

20–24

331

748

25–34

772

515

35–44

532

595

45–54

615

384

55–59

397

317

60–64

328

672

65–74

694

554

75–84

571

329

85+

339

← Male

Female →

Age summary

Group	Count	%
Under 18	2,334	20.3%
18 and over	9,187	79.7%
65 and over	3,159	27.4%
Median age	45.3 years

Race & ethnicity

White 82.8%

Hispanic or Latino 4.6%

Two or more races 3.6%

Other race 3.2%

Asian 3.1%

Black or African American 1.8%

American Indian / Alaska Native 0.7%

Group	Count	%
White	10,005	82.8%
Hispanic or Latino	558	4.6%
Two or more races	439	3.6%
Other race	389	3.2%
Asian	375	3.1%
Black or African American	223	1.8%
American Indian / Alaska Native	90	0.7%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	23.3%	34.0%	39.8%
$50k – $100k	38.4%	35.3%	30.8%
$100k – $200k	34.1%	24.8%	22.4%
Over $200k	4.1%	6.0%	7.1%

Under $10k 2.8%

$10k–$15k 1.3%

$15k–$25k 6.1%

$25k–$35k 2.7%

$35k–$50k 6.5%

$50k–$75k 15.9%

$75k–$100k 12.2%

$100k–$150k 31.9%

$150k–$200k 12.0%

$200k+ 8.6%

Range	% of households
Under $10k	2.8%
$10k–$15k	1.3%
$15k–$25k	6.1%
$25k–$35k	2.7%
$35k–$50k	6.5%
$50k–$75k	15.9%
$75k–$100k	12.2%
$100k–$150k	31.9%
$150k–$200k	12.0%
$200k+	8.6%
Median income	$101,273

Housing

Home values

Under $50k 4.9%

$50k–$100k 0.3%

$100k–$150k 3.5%

$150k–$200k 6.5%

$200k–$300k 40.2%

$300k–$500k 35.6%

$500k–$1M 7.1%

$1M+ 1.9%

Housing overview

Metric	Value
Median home value	$290,200
Median rent / month	$1,837
Owner occupied	60.6%
Renter occupied	39.4%
Vacant	6.6%
Single-family detached	51.1%
Large apartment buildings	14.3%
Mobile homes	2.1%
Median rooms	6.0
Avg household size (owned)	2.80

Year built

Era	%
2020 or later	1.8%
2010–2019	17.5%
2000–2009	8.6%
1990–1999	14.3%
1980–1989	22.3%
1970–1979	7.9%
1960–1969	6.3%
1950–1959	7.4%
1940–1949	4.6%
1939 or earlier	9.3%

Bedrooms

Size	% of units
No bedroom (studio)	1.6%
1 bedroom	6.6%
2 bedrooms	34.3%
3 bedrooms	33.8%
4 bedrooms	20.3%
5+ bedrooms	3.3%

Vehicles per household

Vehicles	% of households
No vehicle	3.1%
1 vehicle	28.8%
2 vehicles	46.2%
3 or more	21.9%

Heating fuel

Fuel type	%
Utility gas	23.0%
Electricity	48.4%
Propane / LP gas	6.9%
Fuel oil	16.7%
Wood	3.2%

Households & families

Household type	Count	%
Married-couple family	2,867	63.4%
Cohabiting couple	306	6.8%
Male householder, no spouse	522	11.5%
Female householder, no spouse	830	18.3%
Households with children under 18	1,292	28.6%
Households with seniors (65+)	1,973	43.6%
Average household size	2.52

Marital status

Status	Male	Female
Never married	22.4%	24.3%
Married	62.5%	58.8%
Separated	2.4%	2.7%
Widowed	6.6%	6.7%
Divorced	6.0%	7.5%

Education

Less than 9th grade 1.9%

Some HS, no diploma 5.5%

HS graduate 33.4%

Some college, no degree 15.9%

Associate's degree 4.8%

Bachelor's degree 23.2%

Graduate / professional 15.3%

Metric	%
HS diploma or higher	92.6%
Bachelor's or higher	38.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	124	5.1%
Kindergarten	96	4.0%
Elementary school	871	35.9%
High school	807	33.3%
College / grad school	525	21.7%

Employment

Industry of employment

Education & healthcare 19.3%

Retail trade 12.9%

Manufacturing 11.2%

Professional & management 10.5%

Finance & real estate 7.3%

Arts, food & hospitality 7.0%

Construction 6.9%

Other services 6.9%

Transportation & utilities 6.2%

Information 5.9%

Public administration 4.5%

Agriculture & mining 0.8%

Wholesale trade 0.5%

Occupation

Category	%
Management, business & arts	43.5%
Service	17.8%
Sales & office	15.6%
Natural resources & construction	7.8%
Production & transportation	15.3%

Employment type

Type	%
Private sector	83.6%
Government	8.6%
Self-employed	7.8%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	81.1%
Carpool	4.0%
Public transit	0.2%
Walk	1.4%
Work from home	9.5%
Other means	3.8%
Avg commute (minutes)	28.7

Poverty

All people 5.0%

Under 18 years 3.6%

18 and over 5.4%

Married-couple families 3.5%

Female-led households 9.8%

Income support

Source	% of households
Social Security	46.7%
Retirement income	36.5%
Supplemental Security	4.3%
Cash public assistance	0.4%
Food stamps / SNAP	1.9%

Health indicators

Condition	%
Obesity	31.5%
High blood pressure	36.2%
High cholesterol	34.8%
Diabetes	11.1%
Heart disease	8.6%
Stroke	3.6%
Asthma	9.4%
Arthritis	32.7%
Kidney disease	3.4%
Pulmonary disease	7.9%
Cancer	9.7%

Behavior / access	%
Smoking	15.6%
Binge drinking	15.2%
No physical activity	22.9%
Less than 7 hrs sleep	33.5%
Depression	20.3%
Fair or poor health	13.9%
Poor mental health	13.3%
Poor physical health	10.6%
No health insurance	9.7%
Visited doctor (checkup)	81.2%
Visited dentist	69.0%
Cholesterol screening	91.9%
Teeth loss	12.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,066	11.6%

Disability	%
Any disability	13.6%
Under 18	2.8%
18–64 years	12.9%
65 and over	23.1%

Health insurance coverage

Type	%
Private insurance	84.8%
Public insurance	38.1%
No insurance	4.0%
Uninsured under 19	0.8%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	10,980	95.3%
Spanish	39	0.4%
Other Indo-European	0	0.0%
Asian & Pacific Islander	4	0.0%
Other languages	35	0.3%

Place of birth & citizenship

Origin	Count	%
Native born (US)	10,925	94.8%
Born in same state	10,819	93.9%
Born in different state	7,951	69.0%
Foreign born	106	0.9%
Naturalized citizen	596	5.2%
Not a US citizen	592	99.3%

Ancestry

Ancestry	Count	%
French	1,649	14.3%
Italian	1,365	11.8%
Arab	474	4.1%
Polish	132	1.1%
Norwegian	106	0.9%

Ancestry	Count	%
English	64	0.6%
Dutch	19	0.2%
Irish	15	0.1%
German	13	0.1%

Technology access

Metric	% of households
Computer access	39.3%
Internet access	94.5%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 17584

What city is ZIP code 17584 in?

ZIP code 17584 is primarily assigned to Willow Street, Pennsylvania.

What county is ZIP code 17584 in?

ZIP code 17584 falls within Lancaster County, Pennsylvania.

Does ZIP code 17584 have an older population?

27% of residents in ZIP code 17584 are 65 or older, above the national average of ~17%.

Does ZIP code 17584 have a large retiree population?

47% of households in ZIP code 17584 receive Social Security income, suggesting a significant retiree or disability population.

Does ZIP code 17584 have a large veteran population?

12% of civilians in ZIP code 17584 are veterans, above the national average of ~7%.

What is the population of ZIP code 17584?

ZIP code 17584 has an estimated population of 11,521 residents, with a density of 778 people per square mile.

What timezone is ZIP code 17584 in?

ZIP code 17584 observes the EST timezone.