Willow Street, PA · standard
ZIP Code 17584
Lancaster County, Pennsylvania - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 8,957
- 239/sq mi High-density area
- $108,723
- Median income Above-median income area
- $309,800
- Median home value Above-median home value
- 41.0%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Willow Street pairs an upper-quartile household income with above-median home values, in a low-density, mixed-tenure area.
- Top 14%
- household income, US ZIPs
- Top 32%
- home value, US ZIPs
- 239
- people per sq mi
- 57%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 17584 against every reporting US ZIP.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 17584 (Willow Street, PA) rose +1.6% from 2023 to 2024. The all-transactions index moved from 249.6 in 2023 to 253.7 in 2024 (2000 = 100).
ZIP code 17584 is a mid-sized community (a standard USPS delivery area) in Willow Street, Lancaster County, Pennsylvania, home to 8,957 residents across 37.5 square miles, a density of 239 people per square mile, in the New York time zone.
ZIP 17584 lands in the middle-income range, with a median household income of $108,723 (40% above the average Pennsylvania ZIP), while per-capita income is $48,578. Both reported hardship measures are comparatively low in absolute terms: poverty is 5.1% and unemployment is 2.2%. Median home value is $309,800 (36% above the average Pennsylvania ZIP) and median rent is $2,291; 56.6% of occupied homes are owner-occupied.
A solid share of residents have a four-year degree: 41.0% of adults hold a bachelor's degree or higher, the median age is 43.8, and the average commute is 29 minutes. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Lancaster County, so 17584 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 17584
Top 5 sectors by establishment count in Willow Street, PA
Which industries have the most business establishments in ZIP 17584.
- Health care and social assistance
Health care and social assistance
36 establishments
- Retail trade
Retail trade
33 establishments
- Other services (except public administration)
Other services (except public administration)
33 establishments
- Construction
Construction
27 establishments
- Administrative and support and waste management and remediation services
Administrative and support and waste management and remediation services
18 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 17584, Willow Street, PA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
8,957
Population
37.5
Area (sq mi)
239
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 17584?
43.8
Median Age
47.8%
Male
52.2%
Female
5.5%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$108,723
Median Household Income
+40% vs state ZIP avg
$48,578
Per Capita Income
5.1%
Poverty Rate
2.2%
Unemployment Rate
29.2 min
Mean Commute Time
How ZIP 17584 ranks among Pennsylvania ZIPs
Willow Street, PA household income vs. every Pennsylvania ZIP code
Median household income among 1,642 reporting Pennsylvania ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$108,723 Top 12% higher than 88% of 1,642 Pennsylvania ZIPs
Each bar is a $20K-wide band; taller bars hold more Pennsylvania ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
5,026housing units
5,026
Total Housing Units
4,770
Occupied Units
256
Vacant Units
2.42
Avg Household Size
Occupancy Type
$309,800
Median Home Value
+36% vs state ZIP avg
$2,291
Median Rent
1988
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
+1.6%
YoY Change (2024)
254
HPI Index (2000 = 100)
+154%
Total Change Since 2000
Home values in ZIP 17584 have increased 1.6% over the past year (2024). Since 2000, this ZIP has seen +154% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +6.3% | 175 |
| 2021 | +9.0% | 191 |
| 2022 | +7.5% | 205 |
| 2023 | +21.6% | 250 |
| 2024 | +1.6% | 254 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 243 business establishments in ZIP 17584, employing approximately 3,998 people with a combined annual payroll of $182,401,000.
243
Businesses
3,998
Employees
$182.4M
Annual Payroll
15
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Health care and social assistance | 36 | 14.8% |
| Retail trade | 33 | 13.6% |
| Other services (except public administration) | 33 | 13.6% |
| Construction | 27 | 11.1% |
| Administrative and support and waste management and remediation services | 18 | 7.4% |
| Accommodation and food services | 17 | 7.0% |
| Finance and insurance | 15 | 6.2% |
| Transportation and warehousing | 14 | 5.8% |
| Professional, scientific, and technical services | 14 | 5.8% |
| Manufacturing | 9 | 3.7% |
| Wholesale trade | 7 | 2.9% |
| Real estate and rental and leasing | 6 | 2.5% |
| Arts, entertainment, and recreation | 5 | 2.1% |
| Educational services | 4 | 1.6% |
| Information | 3 | 1.2% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 17584 vs 17602 →
ZIP 17584 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 17603
Lancaster (17603)
61,973 residents
- 17602
Lancaster (17602)
52,452 residents
- 17551 10,857
Millersville (17551)
10,857 residents
- 17584 8,957
Willow Street (17584)
8,957 residents
- 17579 5,935
Strasburg (17579)
5,935 residents
- 17560 5,118
New Providence (17560)
5,118 residents
- 17516 4,496
Conestoga (17516)
4,496 residents
- 17572 3,859
Ronks (17572)
3,859 residents
- 17532 3,381
Holtwood (17532)
3,381 residents
What this shows Among its immediate neighbors, ZIP 17584 ranks #4 by population - useful context the national average alone can't give.
ZIP 17584 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 17565
Pequea (17565)
$125,313 median income
- 17584
Willow Street (17584)
$108,723 median income
- 17516
Conestoga (17516)
$103,942 median income
- 17579
Strasburg (17579)
$91,621 median income
- 17532
Holtwood (17532)
$84,562 median income
- 17572
Ronks (17572)
$80,804 median income
- 17603
Lancaster (17603)
$77,084 median income
- 17602
Lancaster (17602)
$75,862 median income
- 17551
Millersville (17551)
$68,661 median income
What this shows By household income, ZIP 17584 ranks #2 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 17602 | Lancaster, PA | 52,452 | 4.0 mi |
| 17560 | New Providence, PA | 5,118 | 3.9 mi |
| 17579 | Strasburg, PA | 5,935 | 4.5 mi |
| 17565 | Pequea, PA | 2,537 | 5.5 mi |
| 17551 | Millersville, PA | 10,857 | 5.9 mi |
| 17516 | Conestoga, PA | 4,496 | 6.0 mi |
| 17532 | Holtwood, PA | 3,381 | 7.5 mi |
| 17603 | Lancaster, PA | 61,973 | 5.9 mi |
| 17576 | Smoketown, PA | 129 | 6.5 mi |
| 17572 | Ronks, PA | 3,859 | 6.9 mi |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 17584, both outside PA so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (8,957 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Lancaster County
Related Areas
Frequently Asked Questions
What county is ZIP code 17584 in?
ZIP code 17584 (Willow Street) is located in Lancaster County, Pennsylvania. Lancaster County contains multiple ZIP codes, see the full list at /counties/lancaster-pa.
What is the population of ZIP code 17584?
ZIP code 17584 in Willow Street, PA has a population of 8,957 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 17584?
The median household income in ZIP 17584 is $108,723, which is 43% above the national average of $76,288.
What is the average home value in ZIP 17584?
The median home value in ZIP 17584 is $309,800, which is 11% above the national average of $278,155.
What is the demographic makeup of ZIP 17584?
The largest racial group in ZIP 17584 is White at 85.5%. Hispanic or Latino residents make up 7.1% of the population.
How many businesses are in ZIP code 17584?
ZIP code 17584 has 243 business establishments employing approximately 3,998 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 17584?
The top industries by establishment count in ZIP 17584 are: Health care and social assistance (36), Retail trade (33), Other services (except public administration) (33). There are 15 industry sectors represented in total.
How have home values changed in ZIP code 17584?
According to the FHFA House Price Index, home values in ZIP 17584 increased by 1.6% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 154%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 17584?
In ZIP code 17584, 72.3% of residents aged 25+ have a high school diploma or higher, and 41.0% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 17584?
The mean commute time for workers in ZIP code 17584 is 29.2 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 17584?
In ZIP code 17584, approximately 56.6% of occupied housing units are owner-occupied and 43.4% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 17584?
The poverty rate in ZIP code 17584 is 5.1% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 17584's numbers, next.
- See how ZIP 17584 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Willow Street, PA ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.