Zip Code 17225
Greencastle, Pennsylvania — Franklin County
📍 ZIP code 17225 is in Greencastle, Franklin County, Pennsylvania.
ZIP code 17225 is located in Greencastle, Franklin County, Pennsylvania. It is a zip code in the Eastern (EST/EDT) Time Zone with an estimated population of 20,335. The area code for ZIP code 17225 is 717.
Quick Answer
Zip code 17225 is in Greencastle, Pennsylvania (Franklin County). It has a population of 20,335, median household income of $87,245, and median home value of $266,100.
Population
20,335
Income
$87,245
Home Value
$266,100
Climate
87°F / 25°F
About Zip Code 17225
Zip code 17225 is located in Greencastle, Pennsylvania, within Franklin County. Home to approximately 20,335 residents, this area sits at an elevation of 559 ft and falls within the Eastern (EST/EDT) timezone. The local area code is 717.
The median household income is $87,245 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $266,100, and the cost of living index is 98 (2% below the national average of 100).
Summers average a high of 87°F while winters drop to 25°F. The area receives about 36 in of rain and 7 in of snow annually. The zip code covers 81.4 square miles of land area and 0.1 square miles of water.
Key Statistics
20,335
$87,245
$266,100
Eastern (EST/EDT)
717
559 ft
81.4 sq mi
41.9
8,132
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Compare With Nearby Zip Codes
| Metric | 17225 | 17270 | 21767 | 17235 | 21742 | 17252 |
|---|---|---|---|---|---|---|
| City | Greencastle, PA | Williamson, PA | Maugansville, MD | Marion, PA | Hagerstown, MD | Saint Thomas, PA |
| Population | 20,335 | 0 | 914 | 682 | 35,114 | 4,290 |
| Median Income | $87,245 | $0 | $44,960 | $55,458 | $80,533 | $71,408 |
| Home Value | $266,100 | $0 | $220,100 | $249,100 | $280,100 | $202,300 |
| Cost of Living | 98 | 100 | 70 | 82 | 100 | 73 |
| Median Age | 41.9 | 0 | 45.7 | 23 | 41.3 | 33.9 |
Cost of Living
100 = National Average. Greencastle's cost of living is 2% below the national average.
vs. State Avg
Below
Affordability
Affordable
Income-to-Home
3.1x
Demographics
Zip code 17225 has a population of 20,335 people with a median age of 41.9. There are 8,132 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Greencastle (17225) population trend from 2010 to 2024
↓ 0.0%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
87°F
25°F
36 in
7 in
Greencastle experiences warm summers with average highs around 87°F. Winters are cool with lows averaging 25°F. The area receives about 7 in of snow per year.
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Housing & Economy
Median Home Value
$266,100
Median Household Income
$87,245
With 8,132 housing units across 81.4 square miles, 17225 has a housing density of 100 units per square mile. The home price-to-income ratio is 3.1x.
Location & Geography
Latitude
39.7835°
Longitude
-77.7629°
Land Area
81.4 sq mi
Water Area
0.1 sq mi
Nearby Zip Codes
Zip codes closest to 17225 (Greencastle, PA) with distances:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 17225's $87,245. A way to compare Greencastle to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 17225 (Greencastle, PA). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Greencastle, Pennsylvania?
Greencastle, Pennsylvania uses zip code 17225.
What county is zip code 17225 in?
Zip code 17225 is located in Franklin County, Pennsylvania.
What is the population of zip code 17225?
The population of zip code 17225 is 20,335 with a median age of 41.9.
Is 17225 in Greencastle, Pennsylvania?
Yes, zip code 17225 is in Greencastle, Franklin County, Pennsylvania. The area code is 717.
Frequently Asked Questions
What city is zip code 17225 in?
Zip code 17225 is in Greencastle, Pennsylvania. It is part of Franklin County and uses the Eastern (EST/EDT) timezone.
What is zip code 17225?
Zip code 17225 is a U.S. postal code in Greencastle, Pennsylvania (Franklin County). It has a population of 20,335 and covers 81.4 square miles.
What is the population of zip code 17225?
The population of zip code 17225 (Greencastle, PA) is 20,335 with a median age of 41.9. There are approximately 8,132 housing units in this area.
What is the median income in zip code 17225?
The median household income in zip code 17225 (Greencastle, PA) is $87,245 per year. The cost of living index is 98 (100 = national average).
What is the average home price in zip code 17225?
The median home value in zip code 17225 (Greencastle, PA) is $266,100. The cost of living index is 98 compared to the national average of 100.
What county is zip code 17225 in?
Zip code 17225 is located in Franklin County, Pennsylvania. The primary city is Greencastle.
What is the area code for zip code 17225?
Zip code 17225 in Greencastle, PA uses area code 717. It is located in the Eastern (EST/EDT) timezone.
Is zip code 17225 a good place to live?
Zip code 17225 (Greencastle, PA) has a cost of living index of 98 (100 = national average), a median household income of $87,245, and median home values of $266,100. The median age is 41.9. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 17225?
The cost of living index for zip code 17225 (Greencastle, PA) is 98, where 100 represents the national average. This area is below the national average. Median home value: $266,100.
What schools serve zip code 17225?
Zip code 17225 in Greencastle, Pennsylvania is served by the local school district of Franklin County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.