Residential delivery area · Pennsylvania
ZIP Code 17225: Greencastle, PA
ZIP code 17225 uses the postal name Greencastle, Pennsylvania and lies entirely in Franklin County (Census 2020 ZIP-county file). About 20,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $88,457 (Census Bureau, ACS 2020-2024). By Census place, its land lies in State Line (3%) and Greencastle (2%); 95% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Greencastle · its only residential ZIP
- County
- Franklin County
- Census places
- State Line (3%) census-designated place; Greencastle (2%)
- Metro area
- Chambersburg, PA
- House district
- PA-13 119th Congress
- State
- Pennsylvania
- Time zone
- Eastern
- Land area
- 81.8 sq mi · 249 people per sq mi
Where is ZIP code 17225?
17225 centers on 39.784°, -77.763° and covers 81.8 square miles of land plus 0.1 of water. It borders 8 ZIP codes: 17263, 21742, 17252, 17236, 17268, 17202, 21740, 21722.
The map draws ZIP code areas only. For the streets inside 17225, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 17225 compare with the rest of Franklin County?
| Measure | 17225 | In Franklin County | In PA |
|---|---|---|---|
| People (ACS 2020-2024) | 20,347 | 5th of 31 | 197th of 1,833 |
| Median household income | $89k | 3rd of 10 | 301st of 1,015 |
| Median home value | $304k | 1st of 11 | 244th of 1,069 |
Its median household income is higher than in 72% of U.S. residential ZIP codes, and it is denser than 65% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 17225?
The 2020 Census counted 20,199 people in 17225; the ACS, which samples households over 2020-2024, estimates 20,347. Between the 2010 and 2020 censuses its population grew 7.0% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 20,347
- 2020 Census count
- 20,199+7.0% since 2010 (18,879)
- Households
- 7,973
- Median age
- 41.7
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 17225?
Of the 20,347 people the ACS estimates in 17225, 25.5% are under 18 and 17.4% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (89.2%).
- Under 1825.5%
- 18 to 6457.0%
- 65 and older17.4%
- White, not Hispanic89.2%
- Other or two or more4.2%
- Black, not Hispanic3.5%
- Asian, not Hispanic1.7%
- Hispanic or Latino1.4%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 17225 earn?
Median household income is $88,457 (ACS 2020-2024), the 3rd highest of the 10 ranked ZIP codes in Franklin County. It is not measurably different from 2015-2019 ($91,337 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $88,457
- Income per person
- $46,205
- Below the poverty line
- 5.7%
- Unemployed (of the labor force)
- 2.4%
- Adults 25+ with a bachelor's degree
- 27.4%
- Adjusted gross income per tax return, 2022
- $80,34710,050 returns; wages 72% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 17225?
FHFA's house price index for 17225, built from repeat sales and appraisals of the same homes, rose 68% from 2015 to 2025 and rose 49% from 2020 to 2025, and moved +5.1% in 2025.
- Median home value (owners' estimate)
- $304,100
- Median gross rent
- $985
- Homes owned by their occupants
- 83.0%
- Housing units
- 8,187
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 17225?
386 business establishments had a location in this ZIP code in 2023, 25 more than in 2018; the most are in other services (except public administration) (ZIP Code Business Patterns).
- Other services (except public administration)65
- Retail trade56
- Manufacturing40
- Construction39
- Transportation and warehousing28
- Accommodation and food services27
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 17225?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 17263 | State Line | 896 | $89k | 4.8 mi |
| 21742 | Hagerstown, MD | 34,069 | $86k | 9.3 mi |
| 17252 | Saint Thomas | 4,038 | $74k | 9.5 mi |
| 17236 | Mercersburg | 8,845 | $79k | 9.9 mi |
| 17268 | Waynesboro | 29,362 | $73k | 10.0 mi |
| 17202 | Chambersburg | 33,566 | $96k | 10.4 mi |
| 21740 | Hagerstown, MD | 64,792 | $63k | 10.5 mi |
| 21722 | Clear Spring, MD | 6,721 | $88k | 11.5 mi |
| 21767 | Maugansville, MD | 1,031 | $58k | 6.0 mi (near) |
| 17235 | Marion | 622 | – | 6.1 mi (near) |
| 17247 | Quincy | 629 | $52k | 9.8 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.