Greencastle, PA demographics:
population, income, and more

Total population
4,222
-0.3% year-over-year change
Median household income
$77,419/yr
3.6% year-over-year change
Housing units
1,959
5.7% year-over-year change

Greencastle population

How many people live in Greencastle

Greencastle is home to 4,222 residents, according to the most recent Census data. Gender-wise, 49.6% of Greencastle locals are male, and 50.4% are female.

Total population
4,222
-0.3% year-over-year change
Gender ratio
Male
49.6%
2,092
Female
50.4%
2,130
Value Percent YoY change
Male 2,092 49.6% 1.9%
Female 2,130 50.4% -2.5%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Greencastle is 44, with the population distributed as follows: about 20.2% are children under 15, then 9.5% are in the 15 to 24 age group. Adults between 25 and 44 make up 22.1% of the population, while another 27.9% fall into the 45 to 64 bracket. Finally, around 20.3% are 65 or older.

Median age
43.6
Age breakdown
Under 15
20.2%
15 to 24
9.5%
25 to 44
22.1%
45 to 64
27.9%
Over 65
20.3%
Value Percent YoY change
Under 15 854 20.2% -6.6%
15 to 24 400 9.5% -13.2%
25 to 44 934 22.1% -0.5%
45 to 64 1,177 27.9% 8.3%
Over 65 857 20.3% 2.5%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Greencastle, 96.3% of the population are US-born citizens, while 1.5% have gained naturalized citizenship. At the same time, 2.2% of residents are non-citizens. As for race, 91.4% of locals are Caucasian, 2.1% are African American and 2% have Asian roots. There’s also a share of 4.5% that includes residents with two or more races.

Citizenship
U.S.-born citizens
96.3%
Non-U.S.-born citizens
1.5%
Non-citizens
2.2%
Value Percent YoY change
U.S.-born citizens 4,065 96.3% 0.4%
Non-U.S.-born citizens 63 1.5% -8.7%
Non-citizens 94 2.2% -22.3%
Racial breakdown
White
91.4%
Black or African American
2.1%
American Indian and Alaska Native
0%
Asian
2%
Native Hawaiian and other Pacific Islander
0%
Two or more races
4.5%
Other
0%
Value Percent
White 3,860 91.4%
Black or African American 88 2.1%
Asian 83 2%
Two or more races 189 4.5%
Other 2 0%

Households in Greencastle

A peek inside Greencastle households

Greencastle has 1,760 households, with an average of 2 members in each. Of these, 67.6% are families, while the remaining 32.4% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
1,760
5.7% year-over-year change
Average people per household
2
Non-family households
571
Family households
1,189
Value Percent YoY change
Non-family households 571 32.4% 5.9%
Family households 1,189 67.6% 5.6%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Greencastle

The housing landscape of Greencastle

Greencastle's housing consists of 1,959 units, with 60.4% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 8.4% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 1.2% of the housing landscape.

Housing units
1,959
5.7% year-over-year change
Housing types
Value Percent
1 unit, detached 1,183 60.4%
1 unit, attached 165 8.4%
2 units 176 9%
3 or 4 units 150 7.7%
5 to 9 units 120 6.1%
10 to 19 units 38 1.9%
20 to 49 units 104 5.3%
Mobile home 23 1.2%
Homes built since 2020
0
% year-over-year change

The age of buildings in Greencastle

In Greencastle, the median construction year is 1968. About 27.9% of homes were built before the 1940s, with another 5.2% going up by 1949. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 546 27.9% 34.5%
Built between 1940 and 1949 101 5.2% 6.3%
Built between 1950 and 1959 168 8.6% -6.7%
Built between 1960 and 1969 194 9.9% -30.2%
Built between 1970 and 1979 189 9.6% -10.0%
Built between 1980 and 1989 390 19.9% 31.8%
Built between 1990 and 1999 117 6% -4.9%
Built between 2000 and 2009 201 10.3% -10.3%
Built between 2010 and 2019 53 2.7% 29.3%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Greencastle occupancy rates

Out of the 1,760 occupied housing units in Greencastle, 62% are owner-occupied, while 38% are lived in by tenants. Meanwhile, 10.2% of all homes on the local market sit vacant.

Occupied housing units
1,760
5.7% year-over-year change
Occupancy breakdown
Renter occupied
668
Owner occupied
1,092
Value Percent YoY
change
Renter occupied 668 38% 14.6%
Owner occupied 1,092 62% 0.9%
Unoccupied housing units
10.2%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Greencastle housing costs

Housing costs in Greencastle come to a median of $1,084 per month, while tenants specifically pay a median gross rent of $932.

Median housing costs per month
$1,084/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Greencastle
$932/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Greencastle

Greencastle education at a glance

About 37.5% of the population in Greencastle went to high school, while 23.4% pursued college studies. Another 6.2% earned an associate degree and 14.3% hold a bachelor’s. Meanwhile, 17.5% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 34 1.1% -35.9%
High school diploma 1,188 37.5% -1.1%
College diploma 742 23.4% 0.1%
Associate degree 195 6.2% -22.6%
Bachelor's degree 454 14.3% 26.8%
Graduate degree 554 17.5% 8.4%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Greencastle

How much people earn in Greencastle

The average annual household income in Greencastle was $119,477 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +1.4% change from the previous year. At the same time, the median income stood at $77,419, reflecting a +3.6% shift over the same period.

Average household income in Greencastle
$119,477/year
1.4% year-over-year change
Median household income in Greencastle
$77,419/year
3.6% year-over-year change

Greencastle income by age

In Greencastle, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $92,404. Those with someone between 45 and 64 in charge, often well established professionally, earn $79,837 overall. Overall, 93.1% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $92,404 16.2%
45 - 64 $79,837 4.8%
Over 65 $75,274 10.8%
Above poverty level
3,909
Below poverty level
290
Value Percent YoY
change
Above poverty level 3,909 93.1% -2.2%
Below poverty level 290 6.9% 53.4%

Average renter income in Greencastle

To get a better sense of what renters earn on average in Greencastle, their median household income was $46,150 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 24.2%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$46,150
Rent-to-income ratio
24.2%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in Greencastle

Workforce and job types in Greencastle

The job market in Greencastle is powered by 2,077 working residents, spread across a range of industries and roles. 79% of the working population are employed in professional or administrative positions, while 21% are in hands-on or service-based jobs. Also, 7.6% run their own businesses, 67.3% are employed by private companies, and 14.4% work in the public sector.

Workforce demographics

Working population
2,077
4.5% year-over-year change
White collar
1,641
Blue collar
436
Value Percent YoY change
White collar 1,641 79% 13.2%
Blue collar 436 21% -19.0%
Employer type
Self employees
7.6%
Private companies
67.3%
Governmental workers
14.4%
Not for profit companies
10.6%
Value Percent YoY change
Self employees 158 7.6% -13.7%
Private companies 1,398 67.3% 2.7%
Governmental workers 300 14.4% 25.0%
Not for profit companies 221 10.6% 8.3%
Unemployment rate
3.0%
45.5% year-over-year change

Available workforce

The unemployment rate in Greencastle stands at 3%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Greencastle

How people get around in Greencastle

Commuting methods vary: 82.2% of residents travel by personal vehicle and 4.6% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 1,701 82.2% 0.8%
Bus or trolleybus 2 0.1% 100.0%
Motorcycle 22 1.1% N/A
Walk 95 4.6% 63.8%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Greencastle by zipcode?

Zipcode Population Number of households Median income Average income
17225 20,347 7,973 $88,457 $116,145

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FAQs about Greencastle demographics 

What is the total population of Greencastle?

Greencastle has a total population of 4,222 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -0.3% compared to a year ago.

What is the gender ratio in Greencastle?

The gender ratio in Greencastle is as follows:
  • 49.6% males (2,092 residents)
  • 50.4% females (2,130 residents)

What is the median age in Greencastle?

The median age in Greencastle is 43.6.

What is the age distribution of the population in Greencastle?

The age distribution in Greencastle is as follows:
  • Under 15: 20.2% (854 residents)
  • Ages 15-24: 9.5% (400 residents)
  • Ages 25-44: 22.1% (934 residents)
  • Ages 45-64: 27.9% (1,177 residents)
  • Over 65: 20.3% (857 residents)

What is the racial and ethnic makeup of Greencastle?

The racial and ethnic makeup of Greencastle is as follows:
  • White: 91.4% (3,860 residents)
  • Black or African American: 2.1% (88 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 2% (83 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 4.5% (189 residents)
  • Other: 0% (2 residents)

What percentage of the population in Greencastle are U.S.-born citizens?

U.S.-born citizens represent 96.3% of the population in Greencastle.

How many housing units are there in Greencastle?

There are 1,959 housing units in Greencastle, reflecting a +5.7% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Greencastle and what is the average household size?

Greencastle has a total of 1,760 households, with an average of 2 people in each.

What is the median household income in Greencastle?

Greencastle has a median household income of $77,419, representing a +3.6% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Greencastle?

The employment rate is 97% in Greencastle, with a workforce of 2,077 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 79% (1,641 residents)
  • Blue-collar workers: 21% (436 residents)

Places of employment:
  • Self-employed: 7.6% (158 residents)
  • Private companies: 67.3% (1,398 residents)
  • Governmental workers: 14.4% (300 residents)
  • Not-for-profit companies: 10.6% (221 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025